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Climate in Guam (Micronesia)

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Average min and max temperatures in Guam, Micronesia Copyright © 2023 weather-and-climate.com

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly sunhours in Guam, Micronesia Copyright © 2023 weather-and-climate.com

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Inches

Average precipitation (rain/snow) in Guam, Micronesia Copyright © 2023 weather-and-climate.com

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in Guam, Micronesia Copyright © 2023 weather-and-climate.com

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Weather Forecasts for Guam

Show in Fahrenheit
Mon   Sep 25
31°C | 25°C
SW 11 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Tue   Sep 26
32°C | 26°C
S 18 km/h
21 mm
broken clouds and thunder

broken clouds and thunder

hourly forecast
Wed   Sep 27
32°C | 26°C
SW 14 km/h
12 mm
broken clouds and thunder

broken clouds and thunder

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Guam in Micronesia

Guam has high temperatures year round ranging between 28°C (82°F) and 29°C (85°F).
Other facts from our historical climate data:

  • When is the rainy season in Guam?
    Rainy season in Guam occurs in the months of June, July, August, September, October and November.
  • Which is the hottest month in Guam?
    June has an average maximum temperature of 30°C (85°F) and is the hottest month of the year.
  • Which is the coolest month in Guam?
    The coolest month is February with an average maximum temperature of 28°C (83°F).
  • Which is the wettest month in Guam?
    August tops the wettest month list with 362mm (14.3in) of rainfall.
  • Which is the driest month in Guam?
    March is the driest month with 59mm (2.3in) of precipitation.
  • Which is the sunniest month in Guam?
    May is the sunniest month with an average of 223 hours of sunshine.

    • No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

     

     

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