Last updated: August 23, 2025
In August, the average temperature in Agana Heights Village, Guam is a warm 28°C (82°F), with comfortable minimums around 25°C (78°F) and delightful maximums reaching 29°C (85°F). Expect a fair amount of rain, with total precipitation averaging 405 mm (16.0 in) over the month, accompanied by high humidity levels of 80% that add to the tropical feel.
In August in Agana Heights Village, the average temperature is 28°C (82°F), with maximums reaching 29°C (85°F) and minimums dropping to as low as 25°C (78°F). This mild climate makes it an ideal destination for travelers seeking pleasant weather.
In Agana Heights Village in August, the precipitation amount is 405 mm (16.0 in) over a span of 30 days.
In Agana Heights Village in August, humidity is 80%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket enveloping you, making outdoor activities sweaty and demanding frequent breaks in the shade while traveling.
In Agana Heights Village in August, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Agana Heights Village, you can check here.
UV Risk Categories
Weather in Agana Heights Village varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Agana Heights Village, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (81°F) | 61 mm (2.4 inches) | 83% | extreme |
| February Weather | 27°C (80°F) | 77 mm (3.0 inches) | 82% | extreme |
| March Weather | 27°C (81°F) | 53 mm (2.1 inches) | 84% | extreme |
| April Weather | 27°C (81°F) | 94 mm (3.7 inches) | 84% | extreme |
| May Weather | 28°C (82°F) | 78 mm (3.1 inches) | 83% | extreme |
| June Weather | 28°C (82°F) | 159 mm (6.3 inches) | 80% | extreme |
| July Weather | 28°C (82°F) | 276 mm (10.9 inches) | 80% | extreme |
| August Weather | 28°C (82°F) | 405 mm (16.0 inches) | 80% | extreme |
| September Weather | 28°C (82°F) | 375 mm (14.8 inches) | 81% | extreme |
| October Weather | 28°C (82°F) | 356 mm (14.0 inches) | 80% | extreme |
| November Weather | 28°C (82°F) | 202 mm (8.0 inches) | 81% | extreme |
| December Weather | 27°C (82°F) | 105 mm (4.1 inches) | 84% | extreme |