Guam weather in April 2025

Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Guam in April. Check more long-term weather averages for Guam in April before you book your next holiday to Guam in 2025/2026.

  • 31°C maximum daytime temperature in April in Guam (Agana)31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in April in Guam (Agana)19
    19 days with some rainfall
  • 24°C minimum night-time temperature in April in Guam (Agana)24
    24°C min night temperature
  • 12 hours of daylight per day in April in Guam (Agana)12
    12 hours of daylight per day
  • High heat & humidity in April in Guam (Agana)H
    High heat & humidity
  • 102 mm monthly rainfall in April in Guam (Agana)102
    102 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Guam (Agana)11
    11+ (Extreme) UV index
  • 28°C sea temperature in April in Guam (Agana)28
    28°C sea temperature

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The April 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)

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How hot is it in Guam in April?

Daytime temperatures usually reach 31°C in Agana, Guam in April with high heat and humidity, falling to 24°C at night.

How sunny is it in Guam in April?

There are normally 7 hours of bright sunshine each day in Agana, Guam in April - that's 58% of daylight hours.

How warm is the sea around Guam in April?

The average sea temperature around Agana, Guam in April is 28°C.

Does it rain in Guam in April?

There are usually 19 days with some rain in Agana, Guam in April and the average monthly rainfall is 102mm.

What is the chance of a typhoon in Guam in April?

On average less than 1 day in April in Agana, Guam is likely to be affected by the passage of one or more tropical storms.

Guam April sunrise & sunset times

Browse the sunrise and sunset times for Guam in April 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
Tuesday, 1st April 2025 06:17 18:33
Tuesday, 15th April 2025 06:08 18:34
Wednesday, 30th April 2025 06:00 18:36

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