Normal weather for Guam in August
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.
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.
After some sun? Then August isn’t the best time to be in Guam. The temperature is pleasant, but there’s too much chance of rain this month.
Guam in August |
UK | ||
|---|---|---|---|
 Average Temperature |
31°C | 22°C | |
 High Temp |
32°C | 24°C | |
| Low Temp |
30°C | 19°C | |
 Total Precipitation |
683 mm | 60 mm | |
| Rainy Days |
31 days | 10 days | |
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.
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Start of August
The month of August starts in Guam with hot temperatures, averaging around 31°C during the day and nights close to 26°C. Plenty of days with a chance of precipitation.
Mid-August
By mid-August, the average daytime temperature stays the same at 31°C, with nights close to 26°C. The chance of precipitation is high during this period.
End of August
By the end of August, the average daytime temperature in Guam will be around 31°C, with nights close to 26°C. There’s a significant chance of many days with precipitation.
Temperature records
With 37°C, Guam hit the highest temperature in the last 10 years in August 2021. The lowest daytime temperature in this month was 26°C in 2019. The extreme night temperatures ranged from a low of 22°C to a high of 28°C.
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Daily Temperature in August in Guam
This chart shows the average daily high temperatures in August in Guam, measured in degrees Celsius. The bottom of the chart shows the days of August. Based on historical data, it shows the average daily temperatures for this month.
Weather experiences in August in Guam
Good
The heat was intense, but the many hours of sunshine made up... more
Daily Precipitation in August in Guam
The chart below shows the average daily precipitation in August for Guam, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 31 days of rain in Guam.
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.
Temperature in August in Guam Over the Years
This chart shows the average temperature in August in Guam, measured in degrees Celsius, over the past years.
Total Precipitation in August in Guam Over the Years
This chart shows the average precipitation in August in Guam, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Guam
Click on a specific day in August for detailed info on the typical weather on that day in Guam. Check out the historical temperatures and precipitation over the past 10 years on this day.
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 this. It rained a few 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.
