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Guam weather in March 2025
Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Guam in March. Check more long-term weather averages for Guam in March before you book your next holiday to Guam in 2025/2026.
- 3030°C max day temperature
- 7 hours of sunshine per day
- 2020 days with some rainfall
- 2424°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 8989 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2727°C sea temperature
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Recommended for Guam
The March weather guide for Guam, represented by Agana, (Agana) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in Guam in March?
Daytime temperatures usually reach 30°C in Agana, Guam in March with high heat and humidity, falling to 24°C at night.
How sunny is it in Guam in March?
There are normally 7 hours of bright sunshine each day in Agana, Guam in March - that's 58% of daylight hours.
How warm is the sea around Guam in March?
The average sea temperature around Agana, Guam in March is 27°C.
Does it rain in Guam in March?
There are usually 20 days with some rain in Agana, Guam in March and the average monthly rainfall is 89mm.
Guam March sunrise & sunset times
Browse the sunrise and sunset times for Guam in March 2025. Select a month to view Guam sunrise and sunset times for the next 12 months. The Guam sunrise and sunset times shown below are for Agana.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Saturday, 1st March 2025 | 06:37 | 18:30 |
Sunday, 16th March 2025 | 06:28 | 18:32 |
Monday, 31st March 2025 | 06:18 | 18:33 |
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