Last updated: June 24, 2025
In February, the average temperature in Fairfax, United States hovers around -9°C (16°F), though it can swing from a chilling -36°C (-33°F) at its lowest to a mild 18°C (65°F) at its peak. With 27 mm (1.1 in) of precipitation spread over 6 days, the month is marked by high humidity levels of 90%. Stay prepared for a wintery atmosphere!
In February in Fairfax, the average temperature is -9°C (16°F), with maximums reaching up to 18°C (65°F) and minimums dropping as low as -36°C (-33°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their stay in Fairfax.
In Fairfax in February, the precipitation amount is 27 mm (1.1 in) over a period of 6 days.
In Fairfax in February, humidity is 90%. With an average temperature of -9°C (16°F), this humidity feels like a challenging mix of bone-chilling cold and dampness that makes traveling outside uncomfortable, as the frigid air clings to your skin and can quickly sap your warmth, leaving you yearning for indoor comforts.
In Fairfax in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Fairfax.
UV Risk Categories
Weather in Fairfax varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Fairfax, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -9°C (16°F) | 26 mm (1.0 inches) | 87% | moderate |
February Weather | -9°C (16°F) | 27 mm (1.1 inches) | 90% | moderate |
March Weather | 0°C (33°F) | 62 mm (2.5 inches) | 85% | moderate |
April Weather | 6°C (43°F) | 80 mm (3.1 inches) | 84% | very high |
May Weather | 15°C (60°F) | 124 mm (4.9 inches) | 78% | very high |
June Weather | 22°C (72°F) | 106 mm (4.2 inches) | 80% | very high |
July Weather | 23°C (74°F) | 123 mm (4.8 inches) | 81% | very high |
August Weather | 21°C (71°F) | 124 mm (4.9 inches) | 81% | very high |
September Weather | 18°C (65°F) | 118 mm (4.6 inches) | 81% | very high |
October Weather | 9°C (48°F) | 97 mm (3.8 inches) | 84% | moderate |
November Weather | 1°C (34°F) | 30 mm (1.2 inches) | 88% | moderate |
December Weather | -4°C (24°F) | 40 mm (1.6 inches) | 84% | low |