Last updated: June 24, 2025
In December, the average temperature in Sacred Heart, United States hovers around -5°C (24°F). Temperatures can dip as low as -25°C (-13°F) and may peak at 14°C (57°F). Expect about 39 mm (1.5 in) of precipitation spread over 6 days, contributing to an average humidity of 84%.
In December in Sacred Heart, the average temperature is -5°C (24°F). Maximums can reach 14°C (57°F) while minimums can drop to as low as -25°C (-13°F). Travelers should be prepared for a wide temperature range and pack accordingly.
In Sacred Heart in December, the precipitation amount is 39 mm (1.5 in), occurring over the course of 6 days.
In Sacred Heart in December, humidity is 84%. With an average temperature of -5°C (24°F), this humidity feels like an icy blanket wrapped around you, making the air feel even colder and more biting, which can be quite uncomfortable for traveling.
In Sacred Heart 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 Sacred Heart, you can visit Hourly UV Index in Sacred Heart.
UV Risk Categories
Weather in Sacred Heart varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sacred Heart, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 21 mm (0.8 inches) | 85% | moderate |
| February Weather | -9°C (16°F) | 23 mm (0.9 inches) | 89% | moderate |
| March Weather | 0°C (32°F) | 58 mm (2.3 inches) | 81% | moderate |
| April Weather | 6°C (43°F) | 77 mm (3.0 inches) | 82% | high |
| May Weather | 15°C (59°F) | 111 mm (4.4 inches) | 76% | very high |
| June Weather | 22°C (72°F) | 87 mm (3.4 inches) | 81% | very high |
| July Weather | 23°C (74°F) | 114 mm (4.5 inches) | 82% | very high |
| August Weather | 21°C (70°F) | 134 mm (5.3 inches) | 83% | very high |
| September Weather | 18°C (64°F) | 110 mm (4.3 inches) | 82% | high |
| October Weather | 9°C (48°F) | 94 mm (3.7 inches) | 82% | moderate |
| November Weather | 1°C (33°F) | 27 mm (1.1 inches) | 87% | moderate |
| December Weather | -5°C (24°F) | 39 mm (1.5 inches) | 84% | low |