Last updated: June 24, 2025
In Valley City, United States, the average temperature in December hovers around -8°C (18°F), creating a chilly atmosphere. Expect lows of -32°C (-26°F) and occasional highs reaching 11°C (53°F). The month also sees 37 mm (1.5 in) of precipitation spread over about 8 days, contributing to an average humidity level of 84%. Be prepared for a wintry mix!
In December in Valley City, the average temperature is -8°C (18°F). Maximums can reach 11°C (53°F), while minimums can drop as low as -32°C (-26°F). Travelers should prepare for cold weather and pack warm clothing if planning to visit.
In Valley City in December, the total precipitation amount is 37 mm (1.5 in) over a span of 8 days.
In Valley City in December humidity is 84%. With an average temperature of -8°C (18°F), this humidity feels like a biting chill that seeps into your bones, making outdoor exploration challenging and requiring extra layers for comfort.
In Valley City 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 Valley City, you can visit Hourly UV Index in Valley City.
UV Risk Categories
Weather in Valley City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Valley City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -12°C (11°F) | 18 mm (0.7 inches) | 87% | low |
| February Weather | -13°C (9°F) | 20 mm (0.8 inches) | 89% | moderate |
| March Weather | -3°C (27°F) | 25 mm (1.0 inches) | 82% | moderate |
| April Weather | 4°C (39°F) | 45 mm (1.8 inches) | 79% | high |
| May Weather | 13°C (55°F) | 57 mm (2.2 inches) | 74% | very high |
| June Weather | 20°C (68°F) | 86 mm (3.4 inches) | 78% | very high |
| July Weather | 22°C (72°F) | 73 mm (2.9 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 100 mm (3.9 inches) | 77% | very high |
| September Weather | 15°C (60°F) | 70 mm (2.7 inches) | 72% | high |
| October Weather | 6°C (43°F) | 80 mm (3.1 inches) | 74% | moderate |
| November Weather | -2°C (29°F) | 17 mm (0.7 inches) | 85% | moderate |
| December Weather | -8°C (18°F) | 37 mm (1.5 inches) | 84% | low |