The weather in July in Guam
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.
Looking for sun? July 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 July 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 34°C in 2018, Guam reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 26°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 29°C.
Water temperature
The water temperature at Guam is 30°C this month. It’s really warm, perfect for a swim.
Rainfall amount
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.
Daily weather in July for Guam
Click on any day in July 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.
July weather comparison
| Guam | New York | |
|---|---|---|
| Average temperature | 31°C | 31°C |
| Max. temperature | 32°C | 33°C |
| Min. temperature | 25°C | -5°C |
| Total precipitation | 563 mm | 160 mm |
| Rainy days | 29 days | 18 days |
Start of July
The month of July starts in Guam with hot temps, averaging around 31°C during the day and nights around 27°C.
Mid July
By mid-July, daytime temps rise to around 32°C, with nights around 27°C. There’s a high chance of precipitation during this time.
End of July
By the end of July, the average daytime temperature in Guam is around 32°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 July in Guam. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in July in Guam
Temperature in July in Guam over the years
Precipitation charts
These charts show the average amount of precipitation in July 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 July in Guam
Total precipitation in July in Guam over the years
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.
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.