Last updated: June 24, 2025
In Cohassett Beach, United States, the average temperature in December hovers around 7°C (45°F), with minimums dipping to -4°C (26°F) and highs reaching up to 14°C (58°F). Expect a significant precipitation of 223 mm (8.8 in) spread over 20 days, contributing to an average humidity of 87%. Prepare for a wet and chilly month!
In December in Cohassett Beach, the average temperature is 7°C (45°F), with maximums reaching 14°C (58°F) and minimums dropping as low as -4°C (26°F). Travelers should pack layers to stay comfortable during the day and warm for cooler evenings.
In Cohassett Beach in December, the precipitation amount reaches 223 mm (8.8 in) over a span of 20 days.
In Cohassett Beach in December, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.
In Cohassett Beach 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 Cohassett Beach, you can visit Hourly UV Index in Cohassett Beach.
UV Risk Categories
Weather in Cohassett Beach varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cohassett Beach, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 7°C (45°F) | 238 mm (9.4 inches) | 86% | low |
| February Weather | 6°C (43°F) | 170 mm (6.7 inches) | 84% | moderate |
| March Weather | 8°C (46°F) | 150 mm (5.9 inches) | 85% | moderate |
| April Weather | 10°C (50°F) | 129 mm (5.1 inches) | 83% | high |
| May Weather | 12°C (55°F) | 59 mm (2.3 inches) | 84% | very high |
| June Weather | 15°C (59°F) | 47 mm (1.8 inches) | 84% | very high |
| July Weather | 16°C (61°F) | 15 mm (0.6 inches) | 82% | very high |
| August Weather | 17°C (62°F) | 12 mm (0.5 inches) | 73% | very high |
| September Weather | 16°C (60°F) | 91 mm (3.6 inches) | 74% | high |
| October Weather | 12°C (53°F) | 154 mm (6.1 inches) | 83% | moderate |
| November Weather | 9°C (49°F) | 255 mm (10.0 inches) | 86% | moderate |
| December Weather | 7°C (45°F) | 223 mm (8.8 inches) | 87% | low |