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Average 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.

Daily Temperature in August in Guam

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. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.

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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.

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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.

In August, there is an average of 683 mm of precipitation, spread over 22 days. The wind speed is around 4 Bft, mostly coming from the South.

Guam in August

New York
Temperature Average temperature
31°C 30°C
Sun Max. temperature
32°C 31°C
Sun Min. temperature
30°C -5°C
Rain Total precipitation
683 mm 79 mm
Rain Rainy days
22 days 13 days

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.

Is August a good time to visit Guam?

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.

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.

Check out the climate of Guam for all months and discover the best travel time

Daily Temperature in August in Guam

This chart shows the average daily high and low temperatures in August for Guam, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in August in Guam

Weather experiences in August in Guam

GoodStarStarStarStar

The heat was intense, but the many hours of sunshine made up... more

Tamara

Daily Precipitation in August in Guam

The chart below shows the average daily precipitation in August for Guam, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 22 days of precipitation in Guam.

Daily Precipitation in August 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.

Daily UV Index in August in Guam

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 few years.

Temperature in August in Guam Over the Years

Total precipitation in August in Guam over the years

This chart shows the average precipitation in August in Guam, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in August in Guam over the years

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.

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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Weather experience:Good StarStarStarStar

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.


Or check out the climate of Guam for all months at once

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