Last updated: June 24, 2025
In December, the average temperature in White River, United States hovers around -2°C (29°F). However, temperatures can vary significantly, with a minimum of -24°C (-11°F) and a maximum reaching up to 21°C (70°F). During this month, expect about 32 mm (1.2 in) of precipitation spread over 4 days, and with an average humidity of 73%, conditions may feel quite chilly and damp.
In December in White River, the average temperature is -2°C (29°F), with maximums reaching 21°C (70°F) and minimums plummeting to -24°C (-11°F). This temperature range suggests that travelers should be prepared for a wide variation in weather conditions, packing accordingly to enjoy their stay comfortably.
In White River in December, the total precipitation amount is 32 mm (1.2 in) over a span of 4 days.
In White River in December, humidity is 73%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket wrap, making outdoor activities challenging as the cold air becomes damp, seeping into your clothes and chilling you to the bone.
In White River 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 White River, you can visit Hourly UV Index in White River.
UV Risk Categories
Weather in White River varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in White River, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 20 mm (0.8 inches) | 74% | moderate |
| February Weather | -6°C (22°F) | 21 mm (0.8 inches) | 79% | moderate |
| March Weather | 2°C (36°F) | 57 mm (2.2 inches) | 65% | high |
| April Weather | 7°C (44°F) | 62 mm (2.4 inches) | 69% | very high |
| May Weather | 14°C (57°F) | 109 mm (4.3 inches) | 75% | very high |
| June Weather | 22°C (72°F) | 56 mm (2.2 inches) | 84% | very high |
| July Weather | 25°C (77°F) | 74 mm (2.9 inches) | 84% | very high |
| August Weather | 23°C (73°F) | 52 mm (2.0 inches) | 83% | very high |
| September Weather | 19°C (66°F) | 57 mm (2.3 inches) | 72% | very high |
| October Weather | 9°C (48°F) | 52 mm (2.1 inches) | 68% | moderate |
| November Weather | 3°C (38°F) | 14 mm (0.6 inches) | 75% | moderate |
| December Weather | -2°C (29°F) | 32 mm (1.2 inches) | 73% | low |