Last updated: June 24, 2025
In December, the average temperature in New Salem, United States hovers around -5°C (23°F), with minimums plummeting to -29°C (-20°F) and rare maximums reaching 17°C (62°F). Expect around 21 mm (0.8 in) of precipitation spread across 4 days, contributing to an average humidity of 84%, creating a chilly yet intriguing climate.
In December, in New Salem, the average temperature is -5°C (23°F). Maximums can reach 17°C (62°F), while minimums can dip as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable during their visit.
In New Salem in December, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.
In New Salem in December, humidity is 84%. With an average temperature of -5°C (23°F), this humidity feels like an icy blanket wrapping around you, making the cold air bite even deeper and turning travel into a brisk, challenging adventure where each breath comes with a frosty reminder of the chill.
In New Salem 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 Salem, you can visit Hourly UV Index in New Salem.
UV Risk Categories
Weather in New Salem varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in New Salem, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (17°F) | 12 mm (0.5 inches) | 84% | low |
| February Weather | -10°C (14°F) | 16 mm (0.6 inches) | 88% | moderate |
| March Weather | -1°C (30°F) | 25 mm (1.0 inches) | 78% | moderate |
| April Weather | 4°C (40°F) | 29 mm (1.1 inches) | 75% | very high |
| May Weather | 13°C (55°F) | 58 mm (2.3 inches) | 76% | very high |
| June Weather | 20°C (69°F) | 58 mm (2.3 inches) | 79% | very high |
| July Weather | 23°C (73°F) | 60 mm (2.4 inches) | 78% | very high |
| August Weather | 21°C (70°F) | 67 mm (2.6 inches) | 78% | very high |
| September Weather | 16°C (61°F) | 50 mm (2.0 inches) | 69% | high |
| October Weather | 6°C (43°F) | 52 mm (2.1 inches) | 71% | moderate |
| November Weather | -1°C (31°F) | 16 mm (0.6 inches) | 82% | moderate |
| December Weather | -5°C (23°F) | 21 mm (0.8 inches) | 84% | low |