Climate in Guam, Micronesia

The graphs below show the monthly weather averages over the year.
* Data from weather station: Guam, Micronesia.

Average day and night temperature

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

Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Monthly precipitation

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

Monthly rainy days

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

Weather Forecasts for Guam

SAT Oct 23
84°F | 78°F

Heavy rain

SUN Oct 24
82°F | 79°F

Moderate rain

MON Oct 25
84°F | 82°F

Patchy rain possible

The best time of year to visit Guam in Micronesia

Here are some average weather facts we collected from our historical climate data:

  • On average, the temperatures are always high.
  • A lot of rain (rainy season) falls in the month of: June, July, August, September, October, November and December.
  • The warmest month is May with an average maximum temperature of 31°C (88°F).
  • The coldest month is February with an average maximum temperature of 29°C (85°F).
  • August is the most wet month. This month should be avoided if you are not a big fan of rain.
  • March is the driest month.
  • May is the most sunny month.
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.