Last updated: June 24, 2025
In North Windham, United States, the average temperature in December hovers around -1°C (30°F). Be prepared for a chill, with minimum temperatures dipping as low as -23°C (-10°F) and a possible maximum of 15°C (59°F). Expect 120 mm (4.7 in) of precipitation over 10 days, contributing to an average humidity level of 81%. Bundle up and stay dry!
In December in North Windham, the average temperature is -1°C (30°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -23°C (-10°F). Travelers should be prepared for a wide range of temperatures during this month, ensuring they have both warm clothing for the cold and lighter layers for the milder days.
In North Windham in December, the precipitation amount is 120 mm (4.7 in) spread over a duration of 10 days.
In North Windham in December, humidity is 81%. With an average temperature of -1°C (30°F), this humidity feels like an extra layer of chill settles in, making travel uncomfortable and the cold air cling to your skin, dampening the experience with every breath.
In North Windham 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 North Windham, you can visit Hourly UV Index in North Windham.
UV Risk Categories
Weather in North Windham varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in North Windham, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 82 mm (3.2 inches) | 86% | low |
| February Weather | -3°C (27°F) | 90 mm (3.5 inches) | 84% | moderate |
| March Weather | 1°C (34°F) | 78 mm (3.1 inches) | 82% | moderate |
| April Weather | 7°C (45°F) | 120 mm (4.7 inches) | 80% | high |
| May Weather | 13°C (56°F) | 73 mm (2.9 inches) | 72% | very high |
| June Weather | 19°C (66°F) | 78 mm (3.1 inches) | 72% | very high |
| July Weather | 22°C (72°F) | 138 mm (5.4 inches) | 67% | very high |
| August Weather | 22°C (71°F) | 79 mm (3.1 inches) | 66% | very high |
| September Weather | 18°C (64°F) | 65 mm (2.6 inches) | 71% | high |
| October Weather | 12°C (53°F) | 126 mm (5.0 inches) | 78% | moderate |
| November Weather | 4°C (40°F) | 108 mm (4.2 inches) | 84% | moderate |
| December Weather | -1°C (30°F) | 120 mm (4.7 inches) | 81% | low |