Last updated: June 24, 2025
In Thief River Falls, United States, the average temperature in March is a brisk -3°C (27°F). This month can bring dramatic shifts, with minimums plunging to -28°C (-19°F) and maximums soaring to 21°C (71°F). Expect 26 mm (1.0 in) of precipitation spread over about 5 days, and don't be surprised by the average humidity lingering at a notable 85%!
In March in Thief River Falls, the average temperature is -3°C (27°F). Maximums can reach 21°C (71°F) and minimums can be as low as -28°C (-19°F). Be prepared for a wide range of temperatures when traveling during this month.
In Thief River Falls in March, the precipitation amount is 26 mm (1.0 in) over the course of 5 days.
In Thief River Falls in March humidity is 85%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps through layers of clothing, making travel seem daunting and the cold air sting your skin.
In Thief River Falls in March, 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 Thief River Falls.
UV Risk Categories
Weather in Thief River Falls varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Thief River Falls, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -13°C (9°F) | 19 mm (0.8 inches) | 90% | low |
February Weather | -14°C (8°F) | 22 mm (0.9 inches) | 92% | moderate |
March Weather | -3°C (27°F) | 26 mm (1.0 inches) | 85% | moderate |
April Weather | 3°C (39°F) | 43 mm (1.7 inches) | 81% | high |
May Weather | 13°C (55°F) | 54 mm (2.1 inches) | 75% | very high |
June Weather | 20°C (68°F) | 93 mm (3.7 inches) | 79% | very high |
July Weather | 22°C (71°F) | 62 mm (2.4 inches) | 76% | very high |
August Weather | 20°C (68°F) | 69 mm (2.7 inches) | 78% | very high |
September Weather | 15°C (59°F) | 84 mm (3.3 inches) | 77% | high |
October Weather | 6°C (43°F) | 81 mm (3.2 inches) | 79% | moderate |
November Weather | -3°C (26°F) | 29 mm (1.1 inches) | 86% | low |
December Weather | -9°C (16°F) | 38 mm (1.5 inches) | 86% | low |