Last updated: June 24, 2025
In December, the average temperature in Dutch Harbor, United States hovers around 2°C (35°F), with a range that can dip as low as -8°C (19°F) and peak at 9°C (48°F). Expect a humid environment with an average humidity of 82%, and prepare for considerable rainfall, with 154 mm (6.1 in) expected over 23 days.
In December in Dutch Harbor, the average temperature is 2°C (35°F). Maximums can reach 9°C (48°F), while minimums can drop as low as -8°C (19°F). Be prepared for chilly weather and pack warm clothing if you plan to travel during this month.
In Dutch Harbor in December, the total precipitation amount is 154 mm (6.1 in) over the course of 23 days.
In Dutch Harbor in December humidity is 82%. With an average temperature of 2°C (35°F), this humidity feels like a heavy, damp blanket that clings to your skin, making outdoor activities feel much colder than the thermometer suggests and posing a challenge for traveling comfortably.
In Dutch Harbor in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check 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 December’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 |