North & Central America · Beach travel
Best time to visit Guam
Late Jan–Early Feb, Early Mar–Early Apr is the best time to visit. During this period, the average daytime high is 30.3°C, with 3.9 rainy days per 10 days.
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Season calendar
AvoidOff-seasonFairOkayGoodGreatBest
Japan MOFA travel advice
No Japan MOFA travel advisory is in effect for this destination.
Climate and season score by month
| Month | Level | Daytime high | Rainy days (per 10 days) | Cloud cover |
|---|---|---|---|---|
| January | Great | 30.0°C | 4.9 | 61.5% |
| February | Best | 30.0°C | 4.3 | 60.8% |
| March | Best | 30.5°C | 3.9 | 52.2% |
| April | Great | 31.1°C | 4.5 | 48.2% |
| May | Good | 31.3°C | 4.6 | 50.3% |
| June | Okay | 31.3°C | 6.4 | 56.9% |
| July | Off-season | 30.9°C | 7.1 | 76.4% |
| August | Off-season | 30.5°C | 7.2 | 83.0% |
| September | Avoid | 30.6°C | 7.3 | 82.0% |
| October | Off-season | 30.6°C | 7.4 | 71.6% |
| November | Okay | 30.9°C | 6.4 | 53.1% |
| December | Good | 30.5°C | 5.5 | 54.4% |
How the score works
The season score is a relative 0–100 measure of how suitable each time of year is for travel at this destination, grouped into seven levels. It combines climate-normal trends in temperature, rain, cloud cover, and other conditions.
Weather station: GUAM INTERNATIONAL AIRPORT（1 km）. Data: NASA POWER, NOAA GHCN-Daily, OISST, IBTrACS, and Natural Earth.
These are historical climate-normal trends, not a weather forecast.