Guam Island
August
Weather in Guam Island for August 2027
Your guide to Guam Island weather in August - trends and predictions
Guam Island experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 301 mm.
Is August a good time to visit Guam Island? check out the best time to travel to Guam Island page.
Rain 🌧️
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3
Dry days
28
Rainy days
0
Snow days
29°/26°
Temperatures
22 km/h
Avg max wind
79 %
Avg humidity
Guam Island Weather August
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Temperatures trend during August in Guam Island
See the weather trend as well as the moving average line
August weather in Guam Island day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Moderate rain | 29° /26° | 10.2 mm | 7 | |
| 2 Aug. | Moderate rain | 29° /26° | 14.8 mm | 7 | |
| 3 Aug. |  Light rain | 29° /27° | 8.4 mm | 7 | |
| 4 Aug. | Moderate rain | 29° /27° | 12.9 mm | 6 | |
| 5 Aug. | Moderate rain | 28° /26° | 15.3 mm | 7 | |
| 6 Aug. | Moderate rain | 29° /27° | 14.1 mm | 7 | |
| 7 Aug. | Light rain | 29° /27° | 4.5 mm | 8 | |
| 8 Aug. | Light rain | 30° /27° | 2.5 mm | 8 | |
| 9 Aug. |  Patchy rain possible | 30° /27° | 0.3 mm | 9 | |
| 10 Aug. | Light rain | 30° /27° | 5.8 mm | 7 | |
| 11 Aug. | Light rain | 30° /27° | 5 mm | 8 | |
| 12 Aug. | Light rain shower | 30° /27° | 1.6 mm | 7 | |
| 13 Aug. | Light rain shower | 30° /27° | 0.6 mm | 9 | |
| 14 Aug. | Light rain | 30° /27° | 2.9 mm | 9 | |
| 15 Aug. |  Moderate or heavy rain shower | 30° /27° | 9.3 mm | 7 | |
| 16 Aug. | Moderate rain | 30° /27° | 18.3 mm | 7 | |
| 17 Aug. | Moderate rain | 30° /26° | 13.5 mm | 5 | |
| 18 Aug. | Light rain | 30° /27° | 8.1 mm | 7 | |
| 19 Aug. |  Heavy rain | 29° /26° | 37.2 mm | 5 | |
| 20 Aug. | Moderate rain | 30° /27° | 10.6 mm | 5 | |
| 21 Aug. | Light rain | 30° /27° | 9.8 mm | 5 | |
| 22 Aug. | Light rain | 30° /26° | 7.9 mm | 4 | |
| 23 Aug. | Light rain | 30° /27° | 7.8 mm | 4 | |
| 24 Aug. | Light rain | 30° /27° | 5.8 mm | 4 | |
| 25 Aug. | Light rain | 30° /27° | 5.7 mm | 4 | |
| 26 Aug. | Moderate rain | 29° /26° | 13.8 mm | 5 | |
| 27 Aug. | Light rain | 29° /27° | 6.2 mm | 4 | |
| 28 Aug. |  Patchy light rain with thunder | 29° /27° | 14.5 mm | 4 | |
| 29 Aug. | Light rain | 29° /28° | 5.7 mm | 5 | |
| 30 Aug. | Moderate rain | 28° /26° | 14.6 mm | 4 | |
| 31 Aug. | Moderate rain | 28° /26° | 13.3 mm | 7 | |
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Important Notice
Our weather forecast for Guam Island in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Guam Island forecast closer to your planned date for the most up-to-date weather information.
Change Month
Guam Island in August - FAQ
What are the expected maximum and minimum temperatures in Guam Island during August?
During August, expect a variety of temperatures with highs around 29° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guam Island during August?
Significant rainfall exceeding 301 mm is expected in Guam Island during August, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guam Island during August?
The average wind speed in Guam Island during August is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Guam Island
Explore the daily rainfall trends and prepare for Guam Islands August weather 💧
Typically, Guam Island has 28 rainy days in August with a total of 301 mm of rainfall.
UV exposure in Guam Island during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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