Last updated: June 24, 2025
In December, the average temperature in Cumberland, United States hovers around 5°C (41°F). Expect a chill in the air, with minimum temperatures dipping to -14°C (8°F) and maximums reaching up to 20°C (69°F). Rain is likely, with an average precipitation of 132 mm (5.2 in) spread over 12 days. Be prepared for high humidity, averaging around 88%, adding to the cool atmosphere of the season.
In December in Cumberland, the average temperature is 5°C (41°F), with maximums reaching up to 20°C (69°F) and minimums dropping as low as -14°C (8°F). This wide temperature range means travelers should be prepared for both chilly and mild weather during their stay.
In Cumberland in December, the precipitation amount is 132 mm (5.2 in) over the course of 12 days.
In Cumberland in December humidity is 88%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making it essential to bundle up for your travels, as every breath feels heavy in the air and the landscape appears cloaked in a misty shroud.
In Cumberland 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 Cumberland, you can check the information here.
UV Risk Categories
Weather in Cumberland varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cumberland, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 96 mm (3.8 inches) | 88% | moderate |
| February Weather | 5°C (42°F) | 189 mm (7.4 inches) | 88% | high |
| March Weather | 8°C (47°F) | 140 mm (5.5 inches) | 87% | high |
| April Weather | 12°C (55°F) | 159 mm (6.3 inches) | 84% | very high |
| May Weather | 18°C (64°F) | 146 mm (5.8 inches) | 84% | extreme |
| June Weather | 21°C (70°F) | 144 mm (5.7 inches) | 83% | extreme |
| July Weather | 23°C (74°F) | 133 mm (5.2 inches) | 79% | extreme |
| August Weather | 22°C (72°F) | 140 mm (5.5 inches) | 66% | very high |
| September Weather | 20°C (68°F) | 109 mm (4.3 inches) | 67% | very high |
| October Weather | 15°C (59°F) | 136 mm (5.4 inches) | 76% | high |
| November Weather | 7°C (45°F) | 79 mm (3.1 inches) | 89% | moderate |
| December Weather | 5°C (41°F) | 132 mm (5.2 inches) | 88% | moderate |