Normal weather for Guam in July
It's hot in July 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 July, there is an average of 563 mm of precipitation, spread over 29 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Guam in July |
UK | ||
|---|---|---|---|
 Average Temperature |
31°C | 23°C | |
 High Temp |
32°C | 27°C | |
| Low Temp |
30°C | 21°C | |
 Total Precipitation |
563 mm | 52 mm | |
| Rainy Days |
29 days | 9 days | |
Start of July
The month of July starts in Guam with hot temperatures, averaging around 31°C during the day and nights close to 27°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-July
By mid-July, the average daytime temperature rises to around 32°C, with nights close to 27°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of July
By the end of July, the average daytime temperature in Guam will be around 32°C, with nights close to 26°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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Water temperature
The water temperature at Guam is 30°C this month. It’s really warm, perfect for a swim.
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 July a good time to visit Guam?
After some sun? Then July isn’t the best time to be in Guam. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Guam in July
With 34°C, Guam hit the highest temperature in the last 10 years in July 2018. The lowest daytime temperature in this month was 26°C in 2014. The extreme night temperatures ranged from a low of 20°C to a high of 29°C.
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Daily Temperature in July in Guam
This chart shows the average daily temperatures, both day and night, for each day in July in Guam, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in July in Guam
The chart below shows the average daily precipitation in July 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 July, you can expect around 29 days of rain in Guam.
Daily UV Index in July in Guam
This chart shows the average daily UV index in July 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 July in Guam Over the Years
This chart shows the average temperature in July in Guam, measured in degrees Celsius, over the past years.
Total Precipitation in July in Guam Over the Years
This chart shows the average precipitation in July 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 July for Guam
Click on a specific day in July 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 July in Guam
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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.
