Last updated: June 24, 2025
In January, the average temperature in Oregon, United States hovers around -5°C (23°F), with a range that can drop to a chilling -31°C (-24°F) and rise to a maximum of 13°C (55°F). Expect about 60 mm (2.4 in) of precipitation spread over 7 days, accompanied by a high average humidity of 82%. Stay warm and prepared for fluctuating conditions!
In January in Oregon, the average temperature is -5°C (23°F). The maximum can reach 13°C (55°F), while the minimum can drop to as low as -31°C (-24°F). Be prepared for a wide range of temperatures when traveling to Oregon in January.
In Oregon in January, the precipitation amount is 60 mm (2.4 in) over the course of 7 days.
In Oregon in January humidity is 82%. With an average temperature of -5°C (23°F), this humidity feels like a damp chill that seeps into your bones, making it uncomfortable for traveling.
In Oregon in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Oregon, you can check the information here.
UV Risk Categories
Weather in Oregon varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Oregon, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -5°C (23°F) | 60 mm (2.4 inches) | 82% | moderate |
February Weather | -4°C (26°F) | 56 mm (2.2 inches) | 83% | moderate |
March Weather | 4°C (39°F) | 79 mm (3.1 inches) | 84% | high |
April Weather | 9°C (48°F) | 109 mm (4.3 inches) | 85% | very high |
May Weather | 16°C (61°F) | 156 mm (6.2 inches) | 79% | very high |
June Weather | 22°C (72°F) | 121 mm (4.8 inches) | 82% | very high |
July Weather | 24°C (76°F) | 78 mm (3.1 inches) | 80% | very high |
August Weather | 23°C (73°F) | 77 mm (3.0 inches) | 81% | very high |
September Weather | 20°C (67°F) | 120 mm (4.7 inches) | 80% | very high |
October Weather | 12°C (54°F) | 116 mm (4.6 inches) | 82% | high |
November Weather | 3°C (38°F) | 49 mm (1.9 inches) | 88% | moderate |
December Weather | 0°C (32°F) | 51 mm (2.0 inches) | 84% | low |