Last updated: June 24, 2025
In August, the average temperature in Dutch Harbor, United States is a mild 10°C (51°F), with minimums dipping to 6°C (43°F) and soaring up to 17°C (62°F). Expect 81 mm (3.2 in) of precipitation spread over 14 days, contributing to a high average humidity of 92%. Be prepared for a damp and cool month!
In August in Dutch Harbor, the average temperature is 10°C (51°F). Maximums can reach 17°C (62°F), while minimums can dip to as low as 6°C (43°F). It's a pleasant time to visit Dutch Harbor, so be sure to pack a light jacket for the cooler moments.
In Dutch Harbor in August, the precipitation amount is 81 mm (3.2 in) over a span of 14 days.
In Dutch Harbor in August humidity is 92%. With average temperature 10°C (51°F), this humidity feels like walking through a thick blanket of moisture, making travel uncomfortable and sticky, as each step is met with an oppressive dampness that clings to your skin and leaves you yearning for a cool breeze.
In Dutch Harbor in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Dutch Harbor.
UV Risk Categories
Weather in Dutch Harbor varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Dutch Harbor, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 90 mm (3.5 inches) | 83% | low |
| February Weather | 2°C (35°F) | 119 mm (4.7 inches) | 84% | low |
| March Weather | 1°C (34°F) | 80 mm (3.1 inches) | 83% | moderate |
| April Weather | 2°C (37°F) | 78 mm (3.1 inches) | 84% | moderate |
| May Weather | 4°C (40°F) | 88 mm (3.5 inches) | 90% | high |
| June Weather | 7°C (45°F) | 83 mm (3.3 inches) | 93% | high |
| July Weather | 9°C (49°F) | 58 mm (2.3 inches) | 95% | very high |
| August Weather | 10°C (51°F) | 81 mm (3.2 inches) | 92% | very high |
| September Weather | 9°C (48°F) | 106 mm (4.2 inches) | 86% | moderate |
| October Weather | 6°C (43°F) | 141 mm (5.6 inches) | 82% | moderate |
| November Weather | 4°C (39°F) | 119 mm (4.7 inches) | 81% | low |
| December Weather | 2°C (35°F) | 154 mm (6.1 inches) | 82% | low |