Last updated: June 24, 2025
In Fair Haven, United States, the average temperature in December hovers around -2°C (28°F). Expect temperatures to dip as low as -28°C (-18°F) and occasionally reach a high of 15°C (59°F). During this month, precipitation typically measures around 90 mm (3.5 in) over 11 days, contributing to an average humidity level of 84%.
In December in Fair Haven, the average temperature is -2°C (28°F), with maximums reaching 15°C (59°F) and minimums plunging as low as -28°C (-18°F). It's advisable to pack warm clothing if you plan to travel during this time.
In Fair Haven in December, the total precipitation amounts to 90 mm (3.5 in) over the course of 11 days.
In Fair Haven in December humidity is 84%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that cuts through layers of clothing, making outdoor activities uncomfortable and travel challenging.
In Fair Haven in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Fair Haven, you can visit Hourly UV Index in Fair Haven.
UV Risk Categories
Weather in Fair Haven varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Fair Haven, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 79 mm (3.1 inches) | 89% | moderate |
| February Weather | -4°C (26°F) | 86 mm (3.4 inches) | 88% | moderate |
| March Weather | 0°C (32°F) | 74 mm (2.9 inches) | 86% | moderate |
| April Weather | 7°C (45°F) | 118 mm (4.7 inches) | 84% | very high |
| May Weather | 14°C (57°F) | 87 mm (3.4 inches) | 76% | very high |
| June Weather | 19°C (66°F) | 80 mm (3.2 inches) | 72% | very high |
| July Weather | 22°C (72°F) | 114 mm (4.5 inches) | 66% | very high |
| August Weather | 21°C (70°F) | 83 mm (3.3 inches) | 64% | very high |
| September Weather | 17°C (63°F) | 69 mm (2.7 inches) | 72% | high |
| October Weather | 11°C (51°F) | 139 mm (5.5 inches) | 81% | moderate |
| November Weather | 2°C (37°F) | 102 mm (4.0 inches) | 87% | moderate |
| December Weather | -2°C (28°F) | 90 mm (3.5 inches) | 84% | low |