Last updated: June 24, 2025
In December, the average temperature in Berwick, United States hovers around 1°C (34°F). Expect a wide temperature range, with minimums dipping to -17°C (2°F) and maximums reaching up to 17°C (62°F). This time of year also brings 92 mm (3.6 in) of precipitation over approximately 12 days, accompanied by an average humidity level of 85%.
In December, in Berwick, the average temperature is 1°C (34°F), with maximums reaching 17°C (62°F) and minimums dropping as low as -17°C (2°F). Be prepared for a wide temperature range during your travels, so pack accordingly!
In Berwick in December, the precipitation amount is 92 mm (3.6 in) over the course of 12 days.
In Berwick in December, humidity is 85%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making outdoor travel uncomfortable and urging you to seek warmth indoors rather than explore the surroundings.
In Berwick 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 Berwick, you can visit Hourly UV Index in Berwick.
UV Risk Categories
Weather in Berwick varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Berwick, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 75 mm (3.0 inches) | 87% | moderate |
| February Weather | 0°C (33°F) | 106 mm (4.2 inches) | 85% | moderate |
| March Weather | 4°C (39°F) | 94 mm (3.7 inches) | 85% | high |
| April Weather | 10°C (50°F) | 108 mm (4.3 inches) | 83% | very high |
| May Weather | 16°C (60°F) | 136 mm (5.4 inches) | 75% | very high |
| June Weather | 20°C (69°F) | 111 mm (4.4 inches) | 73% | very high |
| July Weather | 23°C (74°F) | 146 mm (5.7 inches) | 65% | very high |
| August Weather | 22°C (72°F) | 142 mm (5.6 inches) | 62% | very high |
| September Weather | 19°C (66°F) | 113 mm (4.5 inches) | 66% | very high |
| October Weather | 13°C (56°F) | 117 mm (4.6 inches) | 79% | high |
| November Weather | 5°C (41°F) | 97 mm (3.8 inches) | 87% | moderate |
| December Weather | 1°C (34°F) | 92 mm (3.6 inches) | 85% | low |