Last updated: June 24, 2025
In Glen Ullin, United States, the average temperature in March hovers around -1°C (31°F). During this time, temperatures can dip as low as -28°C (-18°F) or rise to a comfortable 19°C (66°F). Expect about 25 mm (1.0 in) of precipitation over approximately 5 days, while the humidity remains relatively high at 78%.
In March in Glen Ullin, the average temperature is -1°C (31°F), with maximums reaching 19°C (66°F) and minimums dropping as low as -28°C (-18°F). Travelers should be prepared for a wide range of temperatures and dress accordingly.
In Glen Ullin in March, the total precipitation amount is 25 mm (1.0 in) over a span of 5 days.
In Glen Ullin in March humidity is 78%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps into your bones, making traveling uncomfortable and forcing you to bundle up tightly in layers to fend off the damp cold.
In Glen Ullin 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 Glen Ullin.
UV Risk Categories
Weather in Glen Ullin varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Glen Ullin, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -8°C (17°F) | 12 mm (0.5 inches) | 84% | low |
February Weather | -10°C (14°F) | 16 mm (0.6 inches) | 88% | moderate |
March Weather | -1°C (31°F) | 25 mm (1.0 inches) | 78% | moderate |
April Weather | 4°C (40°F) | 28 mm (1.1 inches) | 75% | very high |
May Weather | 13°C (55°F) | 61 mm (2.4 inches) | 76% | very high |
June Weather | 20°C (68°F) | 54 mm (2.1 inches) | 79% | very high |
July Weather | 23°C (73°F) | 61 mm (2.4 inches) | 78% | very high |
August Weather | 21°C (70°F) | 72 mm (2.8 inches) | 78% | very high |
September Weather | 16°C (60°F) | 51 mm (2.0 inches) | 69% | high |
October Weather | 6°C (43°F) | 51 mm (2.0 inches) | 71% | moderate |
November Weather | -1°C (31°F) | 17 mm (0.7 inches) | 82% | moderate |
December Weather | -5°C (23°F) | 20 mm (0.8 inches) | 84% | low |