Hagåtña UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index13.9
- Avg Clouds77%
- Max Temp31.4 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Hagåtña, Guam 
will reach a high of 13.9 today. This means a extreme level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-25
Hourly Forecast Chart
Today's Safety Tips
Extreme danger! Avoid being in the sun, especially during midday. If you go out, cover up with clothing, a hat, and sunglasses, and use plenty of sunscreen.
Hagåtña's UV Index
The UV index in Hagåtña, Guam, is usually very high year-round, often ranging from 8 to 11, meaning the sun’s rays are strong and can cause sunburn quickly.
Weather Seasons
Hagåtña has a tropical climate with little temperature change throughout the year. It has a wet season from July to November and a dry season from December to June. Rainfall is heavier during the wet season.
Hagåtña's Climate
Compared to nearby islands, Guam’s weather is warmer and more humid than places like the Philippines or Japan. It is wetter than some Pacific islands but less windy than others during typhoon season.
Hourly UV Index Trend
See the UV index hour by hour for Hagåtña. When the level is high, it's smart to find some shade.
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