Last updated: June 24, 2025
In Berthold, United States, the average temperature in December hovers around -8°C (19°F). Be prepared for extremes, as temperatures can dip as low as -37°C (-34°F) and rise to a maximum of 11°C (51°F). With an average humidity of 92%, it can feel quite chilly despite the occasional warmer days. Expect about 21 mm (0.8 in) of precipitation spread over 5 days, making it essential to bundle up and stay dry!
In December in Berthold, the average temperature is -8°C (19°F), with maximums reaching up to 11°C (51°F) and minimums dropping as low as -37°C (-34°F). It’s important to pack appropriately for the extreme cold while enjoying the unique winter activities that Berthold has to offer.
In Berthold in December, the precipitation amount is 21 mm (0.8 in) spread over a period of 5 days.
In Berthold in December, humidity is 92%. With an average temperature of -8°C (19°F), this humidity feels like a frigid blanket of cold air clinging to your skin, making travel outside feel less like a winter wonderland and more like an icy challenge.
In Berthold 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 Berthold, you can visit Hourly UV Index in Berthold.
UV Risk Categories
Weather in Berthold varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Berthold, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (12°F) | 12 mm (0.5 inches) | 89% | low |
| February Weather | -13°C (9°F) | 16 mm (0.6 inches) | 91% | moderate |
| March Weather | -3°C (27°F) | 26 mm (1.0 inches) | 87% | moderate |
| April Weather | 3°C (37°F) | 28 mm (1.1 inches) | 78% | very high |
| May Weather | 12°C (54°F) | 35 mm (1.4 inches) | 73% | very high |
| June Weather | 19°C (66°F) | 74 mm (2.9 inches) | 71% | very high |
| July Weather | 21°C (71°F) | 65 mm (2.5 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 60 mm (2.3 inches) | 77% | very high |
| September Weather | 14°C (58°F) | 66 mm (2.6 inches) | 71% | high |
| October Weather | 5°C (42°F) | 38 mm (1.5 inches) | 75% | moderate |
| November Weather | -2°C (28°F) | 24 mm (0.9 inches) | 84% | low |
| December Weather | -8°C (19°F) | 21 mm (0.8 inches) | 92% | low |