Last updated: June 24, 2025
In December, the average temperature in New Cumberland, United States hovers around 2°C (36°F). Be prepared for a range of conditions, as temperatures can dip as low as -16°C (3°F) or rise to a maximum of 18°C (64°F). Expect to encounter 99 mm (3.9 in) of precipitation spread over approximately 12 days, and maintain a cozy atmosphere with an average humidity of 86%.
In December in New Cumberland, the average temperature is 2°C (36°F). The maximum can reach 18°C (64°F), while the minimum can dip as low as -16°C (3°F). This range indicates that travelers should be prepared for both chilly conditions and the possibility of milder days.
In New Cumberland in December, the total precipitation amount is 99 mm (3.9 in) recorded over a span of 12 days.
In New Cumberland in December, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.
In New Cumberland 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 New Cumberland, you can visit Hourly UV Index in New Cumberland.
UV Risk Categories
Weather in New Cumberland varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in New Cumberland, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 90 mm (3.6 inches) | 88% | moderate |
| February Weather | 1°C (35°F) | 115 mm (4.5 inches) | 88% | moderate |
| March Weather | 5°C (41°F) | 103 mm (4.0 inches) | 87% | high |
| April Weather | 11°C (51°F) | 130 mm (5.1 inches) | 87% | very high |
| May Weather | 17°C (62°F) | 134 mm (5.3 inches) | 81% | very high |
| June Weather | 21°C (70°F) | 131 mm (5.2 inches) | 83% | very high |
| July Weather | 24°C (75°F) | 134 mm (5.3 inches) | 82% | very high |
| August Weather | 23°C (73°F) | 89 mm (3.5 inches) | 76% | very high |
| September Weather | 20°C (68°F) | 120 mm (4.7 inches) | 77% | very high |
| October Weather | 14°C (57°F) | 120 mm (4.7 inches) | 82% | high |
| November Weather | 5°C (42°F) | 92 mm (3.6 inches) | 89% | moderate |
| December Weather | 2°C (36°F) | 99 mm (3.9 inches) | 86% | low |