Last updated: June 24, 2025
In December, the average temperature in Bull Valley, United States hovers around 0°C (32°F), with a minimum drop to -21°C (-6°F) and a pleasant maximum reaching 19°C (66°F). Expect about 53 mm (2.1 in) of precipitation over 7 days, and prepare for a relatively high average humidity of 81%.
In December in Bull Valley, the average temperature is 0°C (32°F). Maximum temperatures can reach 19°C (66°F), while the minimum can drop as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to enjoy their visit.
In Bull Valley in December, the total precipitation amount is 53 mm (2.1 in) spread over a period of 7 days.
In Bull Valley in December, humidity is 81%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm and dry while traveling.
In Bull Valley 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 Bull Valley, you can visit Hourly UV Index in Bull Valley.
UV Risk Categories
Weather in Bull Valley varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bull Valley, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 61 mm (2.4 inches) | 85% | moderate |
| February Weather | -3°C (27°F) | 59 mm (2.3 inches) | 85% | moderate |
| March Weather | 3°C (38°F) | 71 mm (2.8 inches) | 85% | high |
| April Weather | 8°C (47°F) | 114 mm (4.5 inches) | 85% | very high |
| May Weather | 15°C (60°F) | 163 mm (6.4 inches) | 78% | very high |
| June Weather | 21°C (71°F) | 114 mm (4.5 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 91 mm (3.6 inches) | 78% | very high |
| August Weather | 22°C (73°F) | 91 mm (3.6 inches) | 76% | very high |
| September Weather | 19°C (67°F) | 89 mm (3.5 inches) | 79% | very high |
| October Weather | 12°C (54°F) | 121 mm (4.8 inches) | 83% | moderate |
| November Weather | 3°C (38°F) | 50 mm (2.0 inches) | 88% | moderate |
| December Weather | 0°C (32°F) | 53 mm (2.1 inches) | 81% | low |