Last updated: June 24, 2025
In Redmond, United States, the average temperature in December hovers around 2°C (35°F), with extremes ranging from a chilly -18°C (-1°F) to a mild 19°C (67°F). Visitors should be prepared for 66 mm (2.6 in) of precipitation over 12 days, contributing to an average humidity of a damp 88%.
In December in Redmond, the average temperature is 2°C (35°F). Maximums can reach 19°C (67°F), while minimums can be as low as -18°C (-1°F). Be prepared for a wide range of temperatures when traveling to Redmond in December.
In Redmond in December, the precipitation amount is 66 mm (2.6 in) over the course of 12 days.
In Redmond in December, humidity is 88%. With an average temperature of 2°C (35°F), this humidity feels like you're wrapped in a cold, damp blanket, making outdoor activities uncomfortable and travel challenging due to the chill seeping into your bones.
In Redmond 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 Redmond, you can visit Hourly UV Index in Redmond.
UV Risk Categories
Weather in Redmond varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Redmond, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (35°F) | 64 mm (2.5 inches) | 86% | moderate |
February Weather | 2°C (36°F) | 78 mm (3.1 inches) | 87% | moderate |
March Weather | 5°C (41°F) | 48 mm (1.9 inches) | 86% | high |
April Weather | 9°C (48°F) | 50 mm (2.0 inches) | 85% | very high |
May Weather | 13°C (56°F) | 28 mm (1.1 inches) | 80% | very high |
June Weather | 18°C (65°F) | 15 mm (0.6 inches) | 82% | very high |
July Weather | 23°C (73°F) | 4 mm (0.1 inches) | 78% | very high |
August Weather | 22°C (72°F) | 6 mm (0.2 inches) | 62% | very high |
September Weather | 17°C (62°F) | 25 mm (1.0 inches) | 59% | very high |
October Weather | 10°C (49°F) | 34 mm (1.4 inches) | 78% | high |
November Weather | 5°C (41°F) | 54 mm (2.1 inches) | 88% | moderate |
December Weather | 2°C (35°F) | 66 mm (2.6 inches) | 88% | low |