Average monthly rainy days in Guam

The number of days each month with rain, snow and hail in Guam (), Micronesia.

Most rainy days are in January, February, March, April, May, June, July, August, September, October, November and December.
On average, December is the most rainy with 22 days of rain/snow.
On average, June is the driest month with 17 rainy days.
The average annual number of rainy days is 243.

Weather Forecasts for Guam

Thu Apr 25

31°C | 26°C

25 km/h

broken clouds and no rain

hourly forecast

Fri Apr 26

32°C | 26°C

25 km/h

1.2 mm

broken clouds and chance of rain

hourly forecast

Sat Apr 27

32°C | 26°C

29 km/h

2.8 mm

broken clouds and chance of rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Guam.

Our site offers climate and forecast data for every country in the world. Are you going to Micronesia? On this website you can find historical weather averages for many cities in Micronesia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.

Travel Inspiration

Go to Micronesia

Micronesia is a group of more than 600 beautiful, tropical, volcanic and forested islands. On the islands you will find a lot of untouched nature with waterfalls and mountains.

An alternative way to discover Sydney

We have made an overview of the sights in Sydney that you must see if you want to visit Sydney in an alternative way.

Explore the Yasawa Islands

The Yasawa islands are known for their tropical beautiful beaches and the picturesque atmosphere. You might want to cross it of your bucket list.

Sail the Whitsunday islands

The best travel period to sail the Whitsunday islands is “winter” between June and October, with pleasant temperatures around 23 degrees Celsius (74 Fahrenheit).