Weather in Guam: June
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Average day temperature: | 87.5°F |
| Average night temperature: | 82.8°F | |
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Sea water temperature: | 85.1°F |
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Number of sunny days: | 4 days |
| Day length: | 12.9 - 12.9 hours | |
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Number of rainy days: | 7 days |
| Precipitation totals: | 4.4 in. | |
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forecast
| Guam |
temperature
| Guam |
Air temperature in June, °F
The highest day temperature during June of 2025 was 86°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during June were 83.9°F and 80.8°F.
Sea water temperature in Guam in June, °F
The average sea water temperature in June of 2025 was 85.1°F. The highest and lowest sea temperatures during the month were 85.6°F and 84.4°F.
Mostly all days in June are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in June, in.
Precipitation total value in Guam in June is 4.9 in. Other months of the year show relatively similar values.
The average wind speed value in June is 11.3 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in June is: 5.3.
Best time for vacation in Guam
Guam on a weather map
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