Last updated: August 27, 2025
In January, the average temperature in Os, Norway hovers around -7°C (20°F), with nighttime lows dropping to a chilling -22°C (-7°F) and daytime highs reaching a mild 5°C (42°F). Expect 51 mm (2.0 in) of precipitation over 13 days, accompanied by an average humidity level of 96%. Bundle up and be prepared for damp, cold weather!
In January in Os, the average temperature is -7°C (20°F). Maximums can reach 5°C (42°F) and minimums can be as low as -22°C (-7°F). Be prepared for cold conditions if you plan to travel during this time.
In Os in January, the precipitation amount is 51 mm (2.0 in) spread over 13 days.
In Os in January humidity is 96%. With an average temperature of -7°C (20°F), this humidity feels like a dense fog enveloping you, making every breath feel heavy and chilled, which can be quite uncomfortable for traveling.
In Os in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Os.
UV Risk Categories
Weather in Os varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Os, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -7°C (20°F) | 51 mm (2.0 inches) | 96% | low |
February Weather | -7°C (20°F) | 38 mm (1.5 inches) | 94% | low |
March Weather | -4°C (25°F) | 56 mm (2.2 inches) | 91% | moderate |
April Weather | -1°C (31°F) | 55 mm (2.2 inches) | 86% | moderate |
May Weather | 5°C (41°F) | 63 mm (2.5 inches) | 83% | moderate |
June Weather | 11°C (52°F) | 87 mm (3.4 inches) | 81% | high |
July Weather | 12°C (54°F) | 93 mm (3.7 inches) | 81% | high |
August Weather | 10°C (51°F) | 108 mm (4.2 inches) | 88% | moderate |
September Weather | 7°C (44°F) | 69 mm (2.7 inches) | 90% | moderate |
October Weather | 2°C (36°F) | 76 mm (3.0 inches) | 93% | low |
November Weather | -3°C (26°F) | 54 mm (2.1 inches) | 95% | low |
December Weather | -6°C (22°F) | 59 mm (2.3 inches) | 97% | low |