Guam Weather: July
 |
Average Day Temperature: | 91.5°F |
|
Average Night Temperature: | 86.5°F |
|
Sea Water Temperature: | 89.2°F |
|
Number of Sunny Days: | 5 days |
| Sunshine Hours: | 12.7 - 12.9 hours | |
|
Number of Rainy Days: | 13 days |
| Precipitation Totals: | 8.2 in | |
| detailed information | ||
Temperature
| Guam |
Air Temperature in July, °F
The highest day temperature in July 2025 was 90°F. The lowest night temperature was 82°F. The average values for day and night temperatures during July were 87.1°F и 84.3°F respectivly.
Guam Water Sea Temperature in July, °F
The average sea surface temperature in July 2025 for Guam was 88.5°F. The maximum and minimum values were 87.4°F and 89.4°F respectively.
Most of the days in July are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in July, in
Precipitation total in July for Guam is 8.2 in. It makes july one of the most rainy months of the year.
The average wind speed in July is 10.7 mph. It makes July one of the most windless months of the year for Guam.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Guam in July is 6.2 hours.
Guam on the Weather Map
| 1800 |  |
86°F | W 14 mph |
| 2100 |  |
86°F | W 13 mph |
| 0000 | |
84°F | W 13 mph |
| 0300 | |
84°F | W 12 mph |
| 0600 | |
84°F | W 12 mph |
| 0900 |  |
86°F | W 15 mph |
| 1200 |  |
88°F | W 14 mph |
| 1500 | |
88°F | W 13 mph |