Guam Island
June
Weather in Guam Island for June 2026
Your guide to Guam Island weather in June - trends and predictions
Until now, June 2026 in Guam Island has been nearly identical to the historical average, with a temperature of 30.1 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in Guam Island predicts temperatures to be around 30 °C, close to the historical average.
In general, the average temperature in Guam Island at the beginning of June is 29.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29 °C by the end of June.
Guam Island experiences heavy rainfall in June, with over 20 rainy days and an average total precipitation 445.6 mm.
Temperatures
Rain 🌧️
2
Dry days
28
Rainy days
0
Snow days
29°/26°
Temperatures
19 km/h
Avg max wind
78 %
Avg humidity
Guam Island Weather June
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Temperatures trend during June in Guam Island
See the weather trend as well as the moving average line
June weather in Guam Island day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Patchy light rain with thunder | 30° /26° | 4.2 mm | 6 | |
| 2 Jun. |  Patchy rain possible | 30° /26° | 4.2 mm | 6 | |
| 3 Jun. | Light rain shower | 30° /26° | 9.6 mm | 9 | |
| 4 Jun. | Patchy rain possible | 30° /26° | 5.9 mm | 7 | |
| 5 Jun. |  Patchy light rain | 30° /26° | 7.1 mm | 9 | |
| 6 Jun. | Light rain shower | 29° /26° | 12.4 mm | 6 | |
| 7 Jun. | Light rain shower | 29° /26° | 5.7 mm | 6 | |
| 8 Jun. | Light rain shower | 30° /26° | 11.3 mm | 9 | |
| 9 Jun. | Light rain shower | 30° /27° | 4.6 mm | 7 | |
| 10 Jun. |  Thundery outbreaks possible | 30° /27° | 1.5 mm | 8 | |
| 11 Jun. | Patchy rain possible | 30° /27° | 5.9 mm | 6 | |
| 12 Jun. | Patchy light rain with thunder | 30° /27° | 7.1 mm | 9 | |
| 13 Jun. | Light rain shower | 30° /26° | 4.5 mm | 9 | |
| 14 Jun. | Patchy rain possible | 29° /27° | 0.9 mm | 6 | |
| 15 Jun. | Patchy rain possible | 30° /27° | 2.6 mm | 11 | |
| 16 Jun. |  Moderate rain | 29° /28° | 10.2 mm | 11 | |
| 17 Jun. | Patchy rain possible | 30° /28° | 2 mm | 11 | |
| 18 Jun. |  Heavy rain | 29° /27° | 21 mm | 11 | |
| 19 Jun. | Moderate rain | 28° /27° | 12.8 mm | 6 | |
| 20 Jun. | Patchy rain possible | 30° /27° | 0.4 mm | 6 | |
| 21 Jun. | Patchy rain possible | 30° /27° | 0.3 mm | 6 | |
| 22 Jun. | Patchy rain possible | 29° /27° | 0.2 mm | 6 | |
| 23 Jun. |  Sunny | 30° /27° | 0 mm | 7 | |
| 24 Jun. | Patchy rain possible | 30° /27° | 1 mm | 6 | |
| 25 Jun. | Patchy rain possible | 30° /28° | 1.6 mm | 6 | |
| 26 Jun. | Patchy rain possible | 30° /28° | 0.6 mm | 6 | |
| 27 Jun. | Patchy rain possible | 30° /27° | 4.7 mm | 6 | |
| 28 Jun. | Moderate rain | 29° /27° | 6.6 mm | 6 | |
| 29 Jun. | Light rain shower | 27° /25° | 6.6 mm | 6 | |
| 30 Jun. | Light rain shower | 27° /25° | 39.5 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Guam Island in June 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 June - FAQ
What are the expected maximum and minimum temperatures in Guam Island during June?
During June, 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 June?
Significant rainfall exceeding 445.6 mm is expected in Guam Island during June, 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 June?
The average wind speed in Guam Island during June is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Guam Island
Explore the daily rainfall trends and prepare for Guam Islands June weather 💧
Typically, Guam Island has 28 rainy days in June with a total of 445.6 mm of rainfall.
UV exposure in Guam Island during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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