Last updated: June 24, 2025
In December, the average temperature in Richardton, United States hovers around -5°C (23°F), with a striking range that sees lows of -29°C (-21°F) and highs peaking at 17°C (63°F). Expect a modest precipitation of 19 mm (0.8 in) spread over 4 days, coupled with a staggering average humidity of 84%.
In December in Richardton, the average temperature is -5°C (23°F). The maximum can reach 17°C (63°F), while the minimum can be as low as -29°C (-21°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort during their visit.
In Richardton in December, the precipitation amount is 19 mm (0.8 in) over a span of 4 days.
In Richardton 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 Richardton 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 Richardton, you can visit Hourly UV Index in Richardton.
UV Risk Categories
Weather in Richardton varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Richardton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (18°F) | 11 mm (0.4 inches) | 84% | low |
| February Weather | -10°C (14°F) | 16 mm (0.6 inches) | 88% | moderate |
| March Weather | -1°C (31°F) | 23 mm (0.9 inches) | 78% | moderate |
| April Weather | 4°C (40°F) | 26 mm (1.0 inches) | 75% | very high |
| May Weather | 13°C (55°F) | 57 mm (2.2 inches) | 76% | very high |
| June Weather | 20°C (68°F) | 49 mm (1.9 inches) | 79% | very high |
| July Weather | 23°C (73°F) | 56 mm (2.2 inches) | 78% | very high |
| August Weather | 21°C (70°F) | 69 mm (2.7 inches) | 78% | very high |
| September Weather | 16°C (60°F) | 57 mm (2.3 inches) | 69% | high |
| October Weather | 6°C (43°F) | 46 mm (1.8 inches) | 71% | moderate |
| November Weather | -1°C (31°F) | 17 mm (0.7 inches) | 82% | moderate |
| December Weather | -5°C (23°F) | 19 mm (0.8 inches) | 84% | low |