Agana weather in March 2025

Expect daytime maximum temperatures of 30°C in Agana in March and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 20 days with some rainfall and typically 89 mm of rainfall in the month.

  • 30°C maximum daytime temperature in March in Agana30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 20 days with some rainfall in March in Agana20
    20 days with some rainfall
  • 24°C minimum night-time temperature in March in Agana24
    24°C min night temperature
  • 12 hours of daylight per day in March in Agana12
    12 hours of daylight per day
  • High heat & humidity in March in AganaH
    High heat & humidity
  • 89 mm monthly rainfall in March in Agana89
    89 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Agana11
    11+ (Extreme) UV index
  • 27°C sea temperature in March in Agana27
    27°C sea temperature

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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)

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How hot is it in Agana in March?

Daytime temperatures usually reach 30°C in Agana in March with high heat and humidity, falling to 24°C at night.

How sunny is it in Agana in March?

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

How warm is the sea around Agana in March?

The average sea temperature around Agana in March is 27°C.

Does it rain in Agana in March?

There are usually 20 days with some rain in Agana in March and the average monthly rainfall is 89mm.

Agana March sunrise & sunset times

Browse the sunrise and sunset times for Agana in March 2025. Select a month to view Agana sunrise and sunset times for the next 12 months.

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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