Guam climate 2024
Guam climate 2024
Overview: Guam
Travel information
Weather charts for Guam
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Climate overview and FAQs
Climate overview
Guam in general has a tropical climate. The day temperatures range from 30 °C (85 °F) in February to 32 °C (89 °F) in June. The least rainy month in Guam is March with its 9 days of rain, the rainiest month is September, when it rains 16 days. The highest night temperatures could be experienced in June with 25 °C (77 °F), the lowest in February with 24 °C (74 °F). Sea temperatures are in the following range: 27 °C (81 °F) in February to 29 °C (85 °F) in September.
What is the best month to visit Guam?
The best months to visit Guam are October - July. In this period day temperatures range from 30 °C (85 °F) to 32 °C (89 °F), night temperatures from 24 °C (74 °F) to 25 °C (77 °F) and you can expect on average 12 days of rain per month and 6 of sunshine on average per day. The sea temperature at this time of the year is around 27 °C (81 °F) - 29 °C (84 °F).
Is Guam a year-round destination?
Yes, Guam is a year-round destination, the temperatures don't fall below 30 °C (85 °F) and the sea temperature below 27 °C (81 °F).
What sea temperatures can I expect in Guam?
Guam has sea temperatures in the range of 27 °C (81 °F) - 29 °C (85 °F) throughout the year.
When is the wet season in Guam?
The wet season in Guam falls in the months of August - September. During this period it rains on average 16 days per month and approximately 310 mm (12.21 in) of rain falls per month.
What temperatures can I expect in Guam?
In Guam, temperatures between 30 °C (85 °F) and 32 °C (89 °F) can be expected during the year.
What are the night temperatures in Guam?
Night temperatures in Guam range between 24 °C (74 °F) and 25 °C (77 °F) throughout the year.
What is the humidity in Guam?
Generally, Guam belongs to destinations with higher humidity. It is in the range of 82 % - 89 %.
What is the least cloudy season in Guam?
The least cloudy months in Guam are January - May, when the cloud cover is on average only 45 %.
Is it windy in Guam?
Guam is a destination with rather light or moderate winds. The months with the strongest wind are December - March, weakest wind months are August - October.
Which month is the sunniest in Guam?
The period, which is the sunniest in Guam, is in the months of February - June, when there is an average of 7 sun hours per day.