Last updated: June 24, 2025
In December, the average temperature in Hart, United States hovers around -1°C (31°F), with possible extremes ranging from a chilly -21°C (-6°F) to a mild 15°C (60°F). During this month, expect about 68 mm (2.7 in) of precipitation spread over 13 days, contributing to an average humidity level of 86%. Stay prepared for the varied conditions!
In December in Hart, the average temperature is -1°C (31°F), with maximums reaching up to 15°C (60°F) and minimums dipping as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for the cold weather.
In Hart in December, the precipitation amount is 68 mm (2.7 in) spread over 13 days.
In Hart in December humidity is 86%. With an average temperature of -1°C (31°F), this humidity feels like an eerie chill enveloping you, making travel uncomfortable as the damp air bites into your skin and the cold seeps through even the warmest of clothes, creating an atmosphere that is heavy and uninviting.
In Hart 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 Hart, you can visit Hourly UV Index in Hart.
UV Risk Categories
Weather in Hart varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hart, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 60 mm (2.4 inches) | 87% | low |
| February Weather | -3°C (26°F) | 61 mm (2.4 inches) | 87% | moderate |
| March Weather | 2°C (35°F) | 64 mm (2.5 inches) | 86% | moderate |
| April Weather | 7°C (44°F) | 105 mm (4.1 inches) | 87% | very high |
| May Weather | 14°C (57°F) | 114 mm (4.5 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 114 mm (4.5 inches) | 81% | very high |
| July Weather | 23°C (73°F) | 78 mm (3.1 inches) | 78% | very high |
| August Weather | 21°C (71°F) | 101 mm (4.0 inches) | 79% | very high |
| September Weather | 18°C (64°F) | 102 mm (4.0 inches) | 79% | high |
| October Weather | 11°C (52°F) | 126 mm (4.9 inches) | 82% | moderate |
| November Weather | 3°C (38°F) | 62 mm (2.5 inches) | 87% | moderate |
| December Weather | -1°C (31°F) | 68 mm (2.7 inches) | 86% | low |