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Smarter Travel Planning

for a Better World

Best time to go to Guam

Find information about the climate and when is the best time to go to Guam.
Check flight prices to Guam on Avionero:
Pick Dates

When is the best time to visit {destination}?

In general the best time to visit {destination} is probably {greatMonths}, when the weather is usually great. The hottest months are {topThreeHottest}, while the coldest months are {topThreeColdest}.
  • In general, it’s pleasant to walk and do outdoor activities during {warmMonths}.
  • If you want to avoid wet weather, then your choice is {driestMonths} with the lowest chance of rain.

Average weather in Guam in different months

This is the average weather in Guam for each month based on historic data:

Climate in Guam

Here is the detailed breakdown of the climate in Guam for each month:
JanFebMarAprMayJunJulAugSepOctNovDec
Maximum Temperature
Average Maximum Temperature
Minimum Temperature
Avg. water temperature
Humidity, %
Rain, mm
Snow, mm
Average wind speed, m/s
Sunny Days
Cloud Days
Rainy Days
Snowy Days

Other cities in Guam

Check out the weather for other cities in Guam.

Monthly weather in Guam

Source of the data

For this page, we’ve looked at the typical weather in Guam, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.