Guam Island
October
Weather in Guam Island for October 2025
Your guide to Guam Island weather in October - trends and predictions
In general, the average temperature in Guam Island at the beginning of October is 28.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.3 °C by the end of October.
Guam Island experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 590.4 mm.
Temperatures
Rain 🌧️
0
Dry days
31
Rainy days
0
Snow days
28°/25°
Temperatures
19 km/h
Avg max wind
80 %
Avg humidity
Guam Island Weather October
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Temperatures trend during October in Guam Island
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October weather in Guam Island day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Moderate rain at times | 29° /26° | 3 mm | 6 | |
| 2 Oct. | Moderate or heavy rain shower | 29° /26° | 18.9 mm | 6 | |
| 3 Oct. |  Heavy rain at times | 29° /25° | 18.9 mm | 6 | |
| 4 Oct. | Moderate or heavy rain shower | 27° /25° | 22.2 mm | 6 | |
| 5 Oct. | Moderate or heavy rain shower | 30° /25° | 7.6 mm | 6 | |
| 6 Oct. | Heavy rain at times | 29° /25° | 4.7 mm | 6 | |
| 7 Oct. | Moderate or heavy rain shower | 29° /25° | 11.7 mm | 6 | |
| 8 Oct. | Moderate or heavy rain shower | 28° /25° | 26.9 mm | 6 | |
| 9 Oct. | Moderate or heavy rain shower | 29° /26° | 19.7 mm | 6 | |
| 10 Oct. | Moderate or heavy rain shower | 27° /25° | 46.7 mm | 6 | |
| 11 Oct. | Moderate or heavy rain shower | 29° /26° | 14.3 mm | 6 | |
| 12 Oct. | Moderate or heavy rain shower | 28° /26° | 9.2 mm | 6 | |
| 13 Oct. | Moderate rain at times | 29° /25° | 1.2 mm | 6 | |
| 14 Oct. | Heavy rain at times | 29° /26° | 18.4 mm | 6 | |
| 15 Oct. | Moderate or heavy rain shower | 29° /25° | 11.2 mm | 6 | |
| 16 Oct. |  Patchy rain possible | 29° /26° | 1.8 mm | 6 | |
| 17 Oct. | Moderate or heavy rain shower | 29° /25° | 7.4 mm | 6 | |
| 18 Oct. | Moderate or heavy rain shower | 28° /25° | 35.7 mm | 6 | |
| 19 Oct. | Moderate or heavy rain shower | 29° /25° | 23.9 mm | 6 | |
| 20 Oct. | Moderate or heavy rain shower | 27° /25° | 66.7 mm | 6 | |
| 21 Oct. | Moderate or heavy rain shower | 26° /25° | 82.4 mm | 6 | |
| 22 Oct. | Moderate or heavy rain shower | 26° /24° | 27.7 mm | 6 | |
| 23 Oct. | Moderate or heavy rain shower | 27° /24° | 25.2 mm | 6 | |
| 24 Oct. | Heavy rain at times | 28° /26° | 5.3 mm | 6 | |
| 25 Oct. | Moderate or heavy rain shower | 28° /25° | 34.5 mm | 6 | |
| 26 Oct. | Moderate or heavy rain shower | 28° /26° | 8.2 mm | 6 | |
| 27 Oct. | Heavy rain at times | 28° /26° | 5.8 mm | 6 | |
| 28 Oct. | Moderate or heavy rain shower | 29° /25° | 21.8 mm | 6 | |
| 29 Oct. | Patchy rain possible | 28° /27° | 1.5 mm | 6 | |
| 30 Oct. | Light rain shower | 29° /27° | 3 mm | 6 | |
| 31 Oct. |  Patchy light rain | 28° /26° | 4.9 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Guam Island in October 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 October - FAQ
What are the expected maximum and minimum temperatures in Guam Island during October?
During October, expect a variety of temperatures with highs around 28° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guam Island during October?
Significant rainfall exceeding 590.4 mm is expected in Guam Island during October, occurring over more than 31 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guam Island during October?
The average wind speed in Guam Island during October is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Guam Island
Explore the daily rainfall trends and prepare for Guam Islands October weather 💧
UV exposure in Guam Island during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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