Last updated: June 24, 2025
In January, the average temperature in Bellingham, United States hovers around 5°C (41°F). Expect a chilly minimum of -7°C (20°F), while the mercury may rise to a comfortable 13°C (56°F). With 199 mm (7.8 in) of precipitation falling over about 15 days, be prepared for some wet weather. Additionally, the air carries an average humidity of 86%, ensuring a brisk and damp atmosphere.
In January in Bellingham, the average temperature is 5°C (41°F). The maximum can reach 13°C (56°F), and the minimum can be as low as -7°C (20°F). Be sure to pack warm clothing if you plan to visit during this time.
In Bellingham in January, the precipitation amount reaches 199 mm (7.8 in) over a span of 15 days.
In Bellingham in January humidity is 86%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite challenging due to the chill combined with the stickiness in the air.
In Bellingham 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 Bellingham, you can visit Hourly UV Index in Bellingham.
UV Risk Categories
Weather in Bellingham varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Bellingham, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (41°F) | 199 mm (7.8 inches) | 86% | low |
February Weather | 4°C (39°F) | 185 mm (7.3 inches) | 85% | moderate |
March Weather | 6°C (44°F) | 156 mm (6.2 inches) | 86% | moderate |
April Weather | 9°C (48°F) | 127 mm (5.0 inches) | 86% | high |
May Weather | 12°C (53°F) | 76 mm (3.0 inches) | 81% | very high |
June Weather | 15°C (59°F) | 58 mm (2.3 inches) | 83% | very high |
July Weather | 17°C (63°F) | 27 mm (1.1 inches) | 84% | very high |
August Weather | 18°C (64°F) | 19 mm (0.8 inches) | 77% | very high |
September Weather | 15°C (60°F) | 125 mm (4.9 inches) | 76% | high |
October Weather | 11°C (51°F) | 186 mm (7.3 inches) | 88% | moderate |
November Weather | 8°C (46°F) | 261 mm (10.3 inches) | 87% | low |
December Weather | 5°C (41°F) | 227 mm (8.9 inches) | 87% | low |