Sun & Beach Potential
Poor
Based on optimal climate
Seasonality
January, February, March
Avoid (Extreme Weather)
Weather
Avg Temp Range
Precipitation
Seasonal (check heatmap)
Good For
Explore Guam
Compare other sun & beach spots in this country.
Not sure yet?
Compare Tumon with similar sun & beach destinations.
🏖️ Planning your beach holiday to Tumon?
The best time to visit Tumon for a sun and beach holiday is January, February, March.
Start with the essentials:
Climate Heatmap
See at a glance which months offer the best sun & beach conditions — based on temperature, rainfall and climate scores.
Sun & Beach conditions breakdown
Monthly weather & climate data for Tumon
| Month | Climate Score | Predictability | Avg Temp | Rain (mm) |
|---|---|---|---|---|
January | 35Poor Warm temperatures. High rain conditions. | Predictability 30Weather conditions can vary significantly. | 27° | 315 |
February | 35Poor Warm temperatures. High rain conditions. | Predictability 38Weather conditions can vary significantly. | 27° | 258 |
March | 35Poor Warm temperatures. High rain conditions. | Predictability 38Weather conditions can vary significantly. | 27° | 223 |
April | 35Poor Warm temperatures. High rain conditions. | Predictability 38Weather conditions can vary significantly. | 28° | 298 |
May | 35Poor Warm temperatures. High rain conditions. | Predictability 38Weather conditions can vary significantly. | 28° | 347 |
June | 35Poor Warm temperatures. High rain conditions. | Predictability 30Weather conditions can vary significantly. | 29° | 499 |
July | 35Poor Warm temperatures. High rain conditions. | Predictability 30Weather conditions can vary significantly. | 28° | 852 |
August | 35Poor Warm temperatures. High rain conditions. | Predictability 30Weather conditions can vary significantly. | 28° | 1408 |
September | 35Poor Warm temperatures. High rain conditions. | Predictability 30Weather conditions can vary significantly. | 28° | 1210 |
October | 35Poor Warm temperatures. High rain conditions. | Predictability 30Weather conditions can vary significantly. | 28° | 983 |
November | 35Poor Warm temperatures. High rain conditions. | Predictability 30Weather conditions can vary significantly. | 28° | 706 |
December | 35Poor Warm temperatures. High rain conditions. | Predictability 30Weather conditions can vary significantly. | 28° | 470 |
Source: Historical climate averages (30-year observation).
Quick summary: visiting Tumon
When is the best time to visit Tumon for sun & beach?
expand_more
When is the rainy season in Tumon?
expand_more
Plan your sun & beach holiday to Tumon
Now you know the best time to visit Tumon for a sun and beach holiday — here are the most useful next steps to plan your trip.
Where to stay
Find the best-rated hotels near Tumon — from beachfront resorts to budget stays.
Find the best hotels near TumonThings to do
Discover the best tours, activities and local experiences.
Browse top things to doStay connected
Avoid roaming costs — get mobile data for Guam before you arrive.
Get local data for your trip