Last updated: June 24, 2025
In January, the average temperature in Mossyrock, United States hovers around 4°C (39°F). Expect a wide range as the temperature can dip to a chilling -13°C (10°F) and peak at a cozy 14°C (58°F). With precipitation totaling 210 mm (8.3 in) spread over 17 days, and an average humidity of 86%, be prepared for a wet and brisk experience!
In January in Mossyrock, the average temperature is 4°C (39°F). The maximum can reach 14°C (58°F) and the minimum can be as low as -13°C (10°F). Be sure to pack warm clothing and be prepared for chilly conditions if you're planning to visit during this time.
In Mossyrock in January, the precipitation amount is 210 mm (8.3 in) over a span of 17 days.
In Mossyrock in January humidity is 86%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making it essential to bundle up while exploring, as each breath comes with a damp chill that can be quite refreshing yet starkly invigorating for travelers.
In Mossyrock in January, 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 Mossyrock, you can visit Hourly UV Index in Mossyrock.
UV Risk Categories
Weather in Mossyrock varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Mossyrock, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 4°C (39°F) | 210 mm (8.3 inches) | 86% | low |
February Weather | 3°C (37°F) | 239 mm (9.4 inches) | 84% | moderate |
March Weather | 5°C (42°F) | 165 mm (6.5 inches) | 85% | moderate |
April Weather | 8°C (47°F) | 143 mm (5.6 inches) | 83% | high |
May Weather | 12°C (54°F) | 90 mm (3.5 inches) | 84% | very high |
June Weather | 15°C (59°F) | 72 mm (2.8 inches) | 84% | very high |
July Weather | 18°C (64°F) | 16 mm (0.6 inches) | 82% | very high |
August Weather | 18°C (65°F) | 20 mm (0.8 inches) | 73% | very high |
September Weather | 15°C (59°F) | 95 mm (3.7 inches) | 74% | high |
October Weather | 9°C (49°F) | 174 mm (6.8 inches) | 83% | moderate |
November Weather | 6°C (43°F) | 215 mm (8.5 inches) | 86% | moderate |
December Weather | 4°C (39°F) | 228 mm (9.0 inches) | 87% | low |