Average 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.
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. 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 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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Water temperature
The water temperature at Guam is 30°C this month. It’s really warm, perfect for a swim.
In July, there is an average of 563 mm of precipitation, spread over 22 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Guam in July |
New York | ||
|---|---|---|---|
 Average temperature |
31°C | 31°C | |
 Max. temperature |
32°C | 33°C | |
| Min. temperature |
30°C | -5°C | |
 Total precipitation |
563 mm | 160 mm | |
| Rainy days |
22 days | 18 days | |
June
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?
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.
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.
Check out the climate of Guam for all months and discover the best travel time
Daily Temperature in July in Guam
This chart shows the average daily high and low temperatures in July 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 Precipitation in July in Guam
The chart below shows the average daily precipitation in July 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 July, you can expect about 22 days of precipitation 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 few years.
Total precipitation in July in Guam over the years
This chart shows the average precipitation in July in Guam, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
Weather experiences in July in Guam
Have you been to Guam in July?
Share your weather experience in July in Guam.
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.
