Last updated: June 24, 2025
In December, the average temperature in Hayfork, United States hovers around 3°C (38°F). Expect chilly spells, with a minimum of -10°C (14°F) and a more temperate maximum of 19°C (67°F). The region experiences a total precipitation of 125 mm (4.9 in) over approximately 12 days, with an average humidity of 86% making the air feel quite damp.
In December in Hayfork, the average temperature is 3°C (38°F), with maximums reaching up to 19°C (67°F) and minimums dropping as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for varying weather conditions.
In Hayfork in December, the total precipitation amount is 125 mm (4.9 in) spread over 12 days.
In Hayfork in December humidity is 86%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps through your layers, making traveling uncomfortable as breath clouds visibly in the crisp air.
In Hayfork in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Hayfork, you can check the information here.
UV Risk Categories
Weather in Hayfork varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hayfork, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 4°C (39°F) | 171 mm (6.7 inches) | 86% | moderate |
February Weather | 4°C (40°F) | 165 mm (6.5 inches) | 85% | moderate |
March Weather | 6°C (43°F) | 133 mm (5.2 inches) | 85% | high |
April Weather | 9°C (49°F) | 77 mm (3.0 inches) | 82% | very high |
May Weather | 13°C (56°F) | 53 mm (2.1 inches) | 81% | extreme |
June Weather | 18°C (65°F) | 12 mm (0.5 inches) | 79% | extreme |
July Weather | 23°C (73°F) | 2 mm (0.1 inches) | 70% | extreme |
August Weather | 22°C (72°F) | 3 mm (0.1 inches) | 60% | very high |
September Weather | 18°C (65°F) | 13 mm (0.5 inches) | 62% | very high |
October Weather | 12°C (55°F) | 49 mm (1.9 inches) | 72% | high |
November Weather | 7°C (46°F) | 101 mm (4.0 inches) | 87% | moderate |
December Weather | 3°C (38°F) | 125 mm (4.9 inches) | 86% | moderate |