The climate of Guam
What is the climate like in Guam?
The climate of Guam has an average yearly temperature of 31°C. Throughout the year, the average monthly temperature can drop to 30°C and rise to 32°C.
Annually, about 2244 mm of rain falls. This gives a good overview of how much rain to expect in Guam.
The best time to visit Guam is February and March. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Guam.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daytime temperature (°C) | 30 | 30 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 |
| Rainfall (mm) | 134 | 81 | 60 | 92 | 153 | 129 | 280 | 355 | 331 | 335 | 171 | 123 |
Table of contents
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The sky was clear and there were beautiful sunsets.... more
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All in all, a great experience.... more
- Average yearly temperature: 31°C
- Highest temperature: 32°C in May and June
- Lowest temperature: 30°C in January and February
- Rainfall: 2244 mm per year, averaging 187 mm by month
- Driest months: 60 mm in March, 81 mm in February and 92 mm in April
- Wettest months: 355 mm in August, 335 mm in October and 331 mm in September
Climate table Guam
The climate table for Guam shows the average temperatures, rainfall, and UV index by month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daytime temperature (°C) | 30 | 30 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 |
| Nighttime temperature (°C) | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 |
| Rainfall (mm) | 134 | 81 | 60 | 92 | 153 | 129 | 280 | 355 | 331 | 335 | 171 | 123 |
| UV Index | 5 | 6 | 6 | 6 | 7 | 6 | 7 | 5 | 5 | 5 | 5 | 6 |
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Temperature by month in Guam
This graph shows the average high temperatures in degrees Celsius for each month in Guam
Rainfall by month in Guam
This graph shows the average monthly rainfall in millimeters in Guam.
UV index by month in Guam
This graph shows the average UV index by month in Guam.
Yearly temperature in Guam
This graph shows the average yearly temperature in Guam, measured in degrees Celsius.
Yearly total rainfall in Guam
This graph shows the average yearly rainfall in millimeters in Guam.
Weather experiences in Guam
The weather in Guam is rated an average of 4 out of 5 stars by 11 visitors.
Write your own review
The sky was clear and there were beautiful sunsets.— This text has been automatically translated into English
All in all, a great experience.— This text has been automatically translated into English
The heat was intense, but the many hours of sunshine made up for it. It rained several days, which cooled it down a bit. In short: beautiful weather!— This text has been automatically translated into English
For an unashamed sun worshipper, the brilliant sun was heavenly and the evenings remained surprisingly warm. The sun shone constantly, but sometimes thunderstorms played against us.— This text has been automatically translated into English
Regular rainfall caused some inconvenience, but fortunately this was short-lived.— This text has been automatically translated into English
The evenings cooled off pleasantly and provided a good night's sleep. There were occasional tropical showers, but they were brief and refreshing.— This text has been automatically translated into English
It was tropically warm, perfect for the beach and outdoor activities. In the evening it was pleasantly cool.— This text has been automatically translated into English
It was hot, averaging 30 degrees, but not too hot. The light rain was pleasant and refreshing. The perfect escape from the winter cold!— This text has been automatically translated into English
Tropical temperatures that may even rise and occasional showers. In short, wonderful weather!— This text has been automatically translated into English
Not too hot, not too chilly. There will be isolated, brief showers. Ideal for anyone who likes a mild, humid climate.— This text has been automatically translated into English
A wonderful combination of sunshine and some rain with temperatures around 28 degrees Celsius. Ideal for anyone who loves a warm Christmas. One small downside, it gets dark quite early.— This text has been automatically translated into English
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Average weather in Guam by month
Click on a month below to see in detail how the weather typically is in Guam and what to expect. Based on the historical weather data of Guam, you can view the average temperature, rainfall, wind, and UV index for each day of the month.