✓ Updated January 2026
Weather data and travel information verified current
When is the Best Time to Visit Guam, USA?

Quick Answer:
For an exhilarating escape to Guam, USA, aim for the dry season from December through May. This period offers the most sunshine, perfect for exploring the island's vibrant coral reefs and feeling the warm trade winds on your skin. Imagine waking to the gentle morning mist before a day of exhilarating adventures, followed by the breathtaking sight of golden sunsets painting the sky. While the wet season (June to November) brings lush greenery and fewer crowds, the dry months provide consistently pleasant conditions for soaking up the island's unique Chamorro culture and exhilarating ocean activities.
Airport Code
GUM
Coordinates
13.44°, 144.76°

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Top Things to Do
Sunrise Kayak to the Rock Islands
Paddle out into the calm, turquoise waters just as the sun begins to paint the sky in hues of orange and pink. The iconic limestone karsts of the Rock Islands emerge from the mist, creating a truly magical and serene start to your day. Bring waterproof gear for your camera to capture the unforgettable scenery.
Chamorro Village Night Market Feast
Immerse yourself in the vibrant heart of local culture at the Chamorro Village Night Market. Sample an incredible array of authentic Chamorro dishes, from smoky kelaguen to sweet titiyas, while enjoying lively music and artisan crafts. Go early to snag the best food before it sells out, and don't be afraid to try something new!
Snorkeling the Pristine Waters of Two Lovers' Point
Beyond the romantic legend, Two Lovers' Point offers surprisingly good snorkeling in its protected cove. Discover colorful coral gardens and a variety of tropical fish just a short swim from shore. Visit during the calmer morning hours for the clearest visibility and fewer crowds.
Exploring the Latte Stone Park
Step back in time at the Latte Stone Park, where you can marvel at these ancient pillars that were once the foundation for traditional Chamorro homes. It's a fascinating glimpse into the island's pre-colonial history and a great spot for photography. Consider visiting with a local guide to learn the deeper cultural significance of these structures.
💡 Travel Tip: For the best value on hotels during this season, check current rates on Trip.com.
Essential Travel Tips
Don't leave Guam without trying kelaguen! It's a local delicacy made with chopped chicken, shrimp, or fish, mixed with lemon juice, grated coconut, and hot peppers. You'll find it at almost every local restaurant and family gathering – it's the perfect blend of tangy, spicy, and savory.
Renting a car is highly recommended for exploring Guam at your own pace, especially if you want to visit the more remote beaches and historical sites. While ride-sharing apps exist, they can be less reliable outside of Tumon, so having your own wheels gives you the freedom to discover hidden gems like the Talofofo Falls.
Embrace the 'Håfa Adai' spirit! This Chamorro greeting means 'hello' and is more than just a word; it's a way of life that emphasizes friendliness and hospitality. Always greet locals with a smile and a 'Håfa Adai,' and you'll find doors open and conversations flow easily.
While credit cards are widely accepted in tourist areas like Tumon, it's wise to carry some cash for smaller local eateries, roadside fruit stands, or markets. Many smaller businesses operate on a cash-only basis, and having some US dollars on hand will make spontaneous purchases much smoother.
Pack light, breathable clothing and plenty of reef-safe sunscreen. Guam is humid year-round, so quick-drying fabrics are your best friend, especially after a dip in the ocean. Remember, protecting the coral reefs is crucial, so opt for sunscreens that don't contain oxybenzone and octinoxate.
Be aware of ocean conditions and heed warning flags at beaches. Rip currents can be strong, especially on the eastern side of the island, so always check with lifeguards or locals about the safest swimming spots. Never swim alone and keep an eye on your belongings, especially in crowded tourist areas.
💡 Travel Tip: If you're planning your trip, it's worth checking flight prices on Trip.com before you decide.
Weather Details
Monthly Weather Data Table
| Month | High (°C) | Low (°C) | High (°F) | Low (°F) | Rainfall (mm) | Rain Days | Daylight (h) |
|---|---|---|---|---|---|---|---|
| Jan | 30°C | 24°C | 86°F | 75°F | 100mm | 12 days | 11.2h |
| Feb | 30°C | 24°C | 86°F | 75°F | 80mm | 10 days | 11.4h |
| Mar | 31°C | 24°C | 88°F | 75°F | 70mm | 9 days | 12.0h |
| Apr | 31°C | 25°C | 88°F | 77°F | 90mm | 10 days | 12.5h |
| May | 31°C | 25°C | 88°F | 77°F | 130mm | 13 days | 12.8h |
| Jun | 31°C | 26°C | 88°F | 79°F | 190mm | 15 days | 13.0h |
| Jul | 31°C | 26°C | 88°F | 79°F | 240mm | 17 days | 12.8h |
| Aug | 31°C | 26°C | 88°F | 79°F | 250mm | 18 days | 12.5h |
| Sep | 31°C | 26°C | 88°F | 79°F | 230mm | 17 days | 12.0h |
| Oct | 31°C | 25°C | 88°F | 77°F | 170mm | 15 days | 11.5h |
| Nov | 30°C | 25°C | 86°F | 77°F | 140mm | 14 days | 11.1h |
| Dec | 30°C | 24°C | 86°F | 75°F | 110mm | 13 days | 11.0h |
Guam, USA Month by Month: Complete Guide
Planning your trip to Guam, USA? Here's what to expect each month:
Jan in Guam, USA
Weather
30°C°C / 86°F°F
12 days rainy days • 100mmmm
What to Expect
Winter season with cooler temperatures. Fewer tourists but some attractions may have limited hours.
Crowd Level
🟢 Low - Quiet season, easy to find accommodation
Feb in Guam, USA
Weather
30°C°C / 86°F°F
10 days rainy days • 80mmmm
What to Expect
Late winter, beginning to warm up. Good for budget travelers seeking lower prices.
Crowd Level
🟢 Low - Quiet season, easy to find accommodation
Mar in Guam, USA
Weather
31°C°C / 88°F°F
9 days rainy days • 70mmmm
What to Expect
Spring begins, mild weather. Shoulder season with moderate crowds.
Crowd Level
🟢 Low - Quiet season, easy to find accommodation
Apr in Guam, USA
Weather
31°C°C / 88°F°F
10 days rainy days • 90mmmm
What to Expect
Spring in full bloom. Pleasant temperatures and growing tourist activity.
Crowd Level
🟡 Moderate - Comfortable crowds, good availability
May in Guam, USA
Weather
31°C°C / 88°F°F
13 days rainy days • 130mmmm
What to Expect
Late spring, excellent weather. One of the best times to visit for most travelers.
Crowd Level
🟡 Moderate - Comfortable crowds, good availability
Jun in Guam, USA
Weather
31°C°C / 88°F°F
15 days rainy days • 190mmmm
What to Expect
Early summer, warm and sunny. Peak season begins, book accommodations early.
Crowd Level
🔴 High - Peak tourist season, book early
Jul in Guam, USA
Weather
31°C°C / 88°F°F
17 days rainy days • 240mmmm
What to Expect
Peak summer season. Hot weather and highest tourist crowds. Most expensive time.
Crowd Level
🔴 High - Peak tourist season, book early
Aug in Guam, USA
Weather
31°C°C / 88°F°F
18 days rainy days • 250mmmm
What to Expect
Peak summer continues. Very crowded but great weather for outdoor activities.
Crowd Level
🔴 High - Peak tourist season, book early
Sep in Guam, USA
Weather
31°C°C / 88°F°F
17 days rainy days • 230mmmm
What to Expect
Early fall, shoulder season. Weather still good, crowds decreasing. Great value.
Crowd Level
🟡 Moderate - Comfortable crowds, good availability
Oct in Guam, USA
Weather
31°C°C / 88°F°F
15 days rainy days • 170mmmm
What to Expect
Fall season, mild temperatures. Lower crowds and good prices. Comfortable for sightseeing.
Crowd Level
🟡 Moderate - Comfortable crowds, good availability
Nov in Guam, USA
Weather
30°C°C / 86°F°F
14 days rainy days • 140mmmm
What to Expect
Late fall, cooler weather. Off-season begins, significant discounts available.
Crowd Level
🟢 Low - Quiet season, easy to find accommodation
Dec in Guam, USA
Weather
30°C°C / 86°F°F
13 days rainy days • 110mmmm
What to Expect
Winter season, holiday atmosphere. Festive but can be cold. Mixed crowds.
Crowd Level
🔴 High - Peak tourist season, book early
All Things to Do in Guam, USA
Sunrise Kayak to the Rock Islands
naturePaddle out into the calm, turquoise waters just as the sun begins to paint the sky in hues of orange and pink. The iconic limestone karsts of the Rock Islands emerge from the mist, creating a truly magical and serene start to your day. Bring waterproof gear for your camera to capture the unforgettable scenery.
Best time: Nov-May
Chamorro Village Night Market Feast
foodImmerse yourself in the vibrant heart of local culture at the Chamorro Village Night Market. Sample an incredible array of authentic Chamorro dishes, from smoky kelaguen to sweet titiyas, while enjoying lively music and artisan crafts. Go early to snag the best food before it sells out, and don't be afraid to try something new!
Best time: All year
Snorkeling the Pristine Waters of Two Lovers' Point
activityBeyond the romantic legend, Two Lovers' Point offers surprisingly good snorkeling in its protected cove. Discover colorful coral gardens and a variety of tropical fish just a short swim from shore. Visit during the calmer morning hours for the clearest visibility and fewer crowds.
Best time: Nov-May
Exploring the Latte Stone Park
culturalStep back in time at the Latte Stone Park, where you can marvel at these ancient pillars that were once the foundation for traditional Chamorro homes. It's a fascinating glimpse into the island's pre-colonial history and a great spot for photography. Consider visiting with a local guide to learn the deeper cultural significance of these structures.
Best time: All year
Hiking to the Summit of Mount Lamlam
natureChallenge yourself with a hike to the highest point in Guam for panoramic views that stretch across the island and out to the Pacific. The trail can be steep in parts, so wear sturdy shoes and bring plenty of water. The reward is an unparalleled vista, especially stunning at sunset.
Best time: Nov-May
Discovering the Hidden Beaches of Talofofo
natureVenture beyond the popular tourist spots to find the secluded beauty of Talofofo's coastline. These less-trafficked beaches offer a peaceful escape and a chance to experience Guam's natural beauty in its rawest form. Pack a picnic and enjoy the tranquility, keeping an eye out for local fishermen.
Best time: All year
Shopping for Local Crafts at the Guam Museum Gift Shop
shoppingWhile the Guam Museum itself is a treasure trove of island history, its gift shop is an excellent place to find authentic, locally made souvenirs. Look for unique handcrafted items like woven baskets, shell jewelry, and traditional carvings that tell a story of Chamorro artistry. It's a more curated and meaningful shopping experience than typical tourist traps.
Best time: All year
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Getting Around Guam, USA
Rental Cars
Renting a car is by far the most flexible way to explore Guam, especially if you plan to venture beyond Tumon. It gives you the freedom to visit secluded beaches, historical sites, and local eateries at your own pace.
Taxis
Taxis are readily available, particularly in tourist areas like Tumon and at the airport. They are a convenient option for direct point-to-point travel, especially if you're not comfortable driving or have limited time.
Ride-Sharing Services (Limited)
While not as ubiquitous as in mainland US cities, some ride-sharing services operate on Guam. They can offer a more affordable alternative to traditional taxis for shorter trips.
Public Buses (Limited Routes)
Guam has a public bus system, but its routes are quite limited and primarily serve local communities rather than major tourist attractions. It's best suited for getting around specific neighborhoods or for budget-conscious travelers with flexible schedules.
Hotel Shuttles
Many hotels, especially in the Tumon area, offer complimentary shuttle services to popular shopping centers, beaches, and attractions. This is a convenient and cost-effective way to get around if your accommodation provides it.
Walking and Biking (Tumon Area)
The Tumon area, with its concentration of resorts, restaurants, and shops, is quite walkable and bikeable. It's a pleasant way to experience the local atmosphere and get some exercise.
💡 Travel Tip: This season usually means better deals — check what's available on Trip.com.
Similar Destinations
Frequently Asked Questions
When's the absolute best time to visit Guam to avoid the biggest crowds and still enjoy great weather?
Honestly, the sweet spot for Guam is typically between December and April. This is the dry season, so you'll have plenty of sunshine for exploring beaches and historical sites. While it's popular, it's generally less packed than during major holidays, and you'll find a good balance of pleasant weather and manageable tourist numbers.
I'm interested in experiencing Chamorro culture. What's a respectful way to do that, and are there any specific events I should look out for?
Absolutely! The best way to connect with Chamorro culture is to visit a village festival or a cultural heritage event, often held on weekends. Always ask permission before taking photos of people, especially elders, and be open to learning a few basic Chamorro phrases like 'Håfa Adai' (hello) and 'Si Yu'os Ma'åse'' (thank you) – it goes a long way! The annual Guam Micronesia Island Fair is a fantastic showcase of local traditions, food, and crafts.
Getting around Guam seems a bit tricky. Is renting a car essential, or are there other reliable options for exploring?
While renting a car offers the most freedom, especially if you want to venture off the beaten path to places like Ritidian Point, it's not strictly essential for everyone. The main tourist areas are relatively compact, and taxis are available, though they can add up. Some hotels also offer shuttle services, and there's a public bus system, though it's more limited in its routes and frequency. If you plan on extensive exploration, a car is definitely your best bet.
Beyond the popular beaches, what's a 'hidden gem' or lesser-known spot you'd recommend for a truly unique Guam experience?
You absolutely must check out the Valley of the Latte Adventure Park. It's not just about the ziplining and kayaking; they offer an incredible glimpse into traditional Chamorro village life, complete with demonstrations of ancient skills and a chance to try authentic local foods cooked in traditional ways. It feels like stepping back in time and offers a much deeper cultural connection than just lounging on the sand.
What's the deal with tipping in Guam? Is it expected, and if so, how much should I factor into my budget?
Tipping isn't as ingrained in Guam as it is in the mainland US, but it's always appreciated for excellent service. A 10-15% tip at restaurants is customary if a service charge isn't already included, and tipping tour guides or hotel staff who go above and beyond is a nice gesture. Don't feel obligated, but if you receive outstanding service, a little extra goes a long way in showing your appreciation.
What is the cheapest month to visit Guam, USA?
The cheapest months to visit Guam, USA are typically Jun and Jul during the off-season. You can save 30-40% on hotels and flights compared to peak summer months. While weather may not be ideal, you'll enjoy fewer crowds and significant savings.
How many days do you need in Guam, USA?
We recommend spending 3-5 days in Guam, USA to see the main attractions without feeling rushed. This gives you time to explore the top sights, experience local culture, and take a day trip if desired. Budget travelers might do 2-3 days, while those wanting a deeper experience should plan for a week.
What should I avoid in Guam, USA?
Avoid visiting Guam, USA during Jun if possible, when weather conditions are less favorable. Also, be cautious of tourist traps in heavily visited areas - research attractions beforehand and consider booking skip-the-line tickets for popular sites.
Is Guam, USA expensive to visit?
Guam, USA can be enjoyed on various budgets. Daily costs typically range from $50-80 for budget travelers, $100-200 for mid-range visitors, and $250+ for luxury experiences. Prices are highest during peak season and lowest during off-season months. Book accommodations early to secure better rates.
What is Guam, USA famous for?
Guam, USA is famous for its unique attractions, rich culture, and memorable experiences. The destination is best known for its architectural landmarks, local cuisine, and vibrant atmosphere. Visit during for the best experience.
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