March Weather in Glen Ullin, United States

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%.

March Temperature in Glen Ullin

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.

March Weather in Glen Ullin: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Glen Ullin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glen Ullin, March typically has an average temperature of -1°C (31°F), with highs reaching up to 19°C (66°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec171430405568736960433123
Data source: Temperature data for Glen Ullin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Glen Ullin

In Glen Ullin in March, the total precipitation amount is 25 mm (1.0 in) over a span of 5 days.

March Precipitation Trends in Glen Ullin

The chart displays monthly precipitation patterns in Glen Ullin, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Glen Ullin, March typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec121625286154617252511720
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Glen Ullin

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.

March Average Humidity in Glen Ullin

This chart illustrates the average monthly humidity levels in Glen Ullin, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Glen Ullin is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%88%78%75%76%79%78%78%69%71%82%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Glen Ullin

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.

Maximum UV Index Levels in Glen Ullin for March

The chart shows the monthly maximum UV Index (UVI) for Glen Ullin in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Glen Ullin typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2459810997532
Data source: Glen Ullin March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How March Weather in Glen Ullin Compares to Other Months

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.

This table compares monthly weather conditions in Glen Ullin, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather4°C (40°F)28 mm (1.1 inches)75%very high
May Weather13°C (55°F)61 mm (2.4 inches)76%very high
June Weather20°C (68°F)54 mm (2.1 inches)79%very high
July Weather23°C (73°F)61 mm (2.4 inches)78%very high
August Weather21°C (70°F)72 mm (2.8 inches)78%very high
September Weather16°C (60°F)51 mm (2.0 inches)69%high
October Weather6°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

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