Last updated: June 24, 2025
In December, the average temperature in Tieton, United States hovers around 0°C (31°F), with a minimum drop to -11°C (12°F) and a max rise to 16°C (62°F). Expect about 84 mm (3.3 in) of precipitation spread over 12 days, contributing to an average humidity of 88%. Stay prepared for chilly and damp conditions!
In December in Tieton, the average temperature is 0°C (31°F). Maximum temperatures can reach 16°C (62°F), while minimums can drop as low as -11°C (12°F). It's advisable to pack layered clothing to stay comfortable during your travels.
In Tieton in December, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.
In Tieton in December humidity is 88%. With an average temperature of 0°C (31°F), this humidity feels like a biting chill that seeps into your bones, making every step outside a challenge as the air clings heavily around you, dampening the spirit of travel.
In Tieton 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 Tieton, you can visit Hourly UV Index in Tieton.
UV Risk Categories
Weather in Tieton varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tieton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 89 mm (3.5 inches) | 86% | low |
| February Weather | -1°C (31°F) | 90 mm (3.5 inches) | 86% | moderate |
| March Weather | 3°C (38°F) | 48 mm (1.9 inches) | 87% | high |
| April Weather | 8°C (46°F) | 37 mm (1.4 inches) | 84% | high |
| May Weather | 13°C (56°F) | 20 mm (0.8 inches) | 81% | very high |
| June Weather | 17°C (63°F) | 14 mm (0.6 inches) | 82% | very high |
| July Weather | 21°C (70°F) | 1 mm (0.0 inches) | 79% | very high |
| August Weather | 21°C (70°F) | 4 mm (0.2 inches) | 63% | very high |
| September Weather | 16°C (60°F) | 24 mm (1.0 inches) | 62% | very high |
| October Weather | 8°C (47°F) | 56 mm (2.2 inches) | 83% | moderate |
| November Weather | 3°C (37°F) | 67 mm (2.6 inches) | 89% | moderate |
| December Weather | 0°C (31°F) | 84 mm (3.3 inches) | 88% | low |