The weather in August in Guam
It's hot in August in Guam with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 25°C and 27°C.
Looking for sun? August isn’t a good month to be in Guam. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Guam. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 37°C in 2021, Guam reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 26°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 28°C.
Rainfall amount
In August, there is an average of 683 mm of precipitation, spread over 31 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in August for Guam
Click on any day in August to get detailed info about the usual weather on that day in Guam. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Guam | New York | |
|---|---|---|
| Average temperature | 31°C | 30°C |
| Max. temperature | 32°C | 31°C |
| Min. temperature | 25°C | -5°C |
| Total precipitation | 683 mm | 79 mm |
| Rainy days | 31 days | 13 days |
Start of August
The month of August starts in Guam with hot temps, averaging around 31°C during the day and nights around 26°C.
Mid August
By mid-August, daytime temps stay steady at around 31°C, with nights around 26°C. There’s a high chance of precipitation during this time.
End of August
By the end of August, the average daytime temperature in Guam is around 31°C, while nighttime temps are about 26°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Guam for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Guam. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Guam
Temperature in August in Guam over the years
Precipitation charts
These charts show the average amount of precipitation in August in Guam. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Guam
Total precipitation in August in Guam over the years
Daily UV index in August in Guam
This chart shows the average daily UV index in August in Guam, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Guam
The weather in August in Guam is rated 4 out of 5 stars by 1 visitor. Have you been to Guam? Share your weather experience to help other visitors.
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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 is automatically translated to English
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Average weather in Guam by month
Click on a month below to see detailed weather info for Guam. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.