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March Weather in Mandan, United States

Last updated: June 24, 2025

In Mandan, United States, the average temperature in March hovers around -1°C (30°F), creating a brisk environment. Expect temperatures to dip as low as -27°C (-17°F) at times, while occasionally peaking at a mild 19°C (66°F). With 26 mm (1.0 in) of precipitation spread over 5 days, you'll want to come prepared for occasional showers. The average humidity levels sit comfortably at 78%, adding to the unique atmosphere of the season.

March Temperature in Mandan

In March in Mandan, the average temperature is -1°C (30°F), with maximums reaching up to 19°C (66°F) and minimums plummeting as low as -27°C (-17°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

March Weather in Mandan: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Mandan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mandan, March typically has an average temperature of -1°C (30°F), with highs reaching up to 19°C (66°F) and lows dropping to around -27°C (-17°F).
JanFebMarAprMayJunJulAugSepOctNovDec151330405569737061443122
Data source: Temperature data for Mandan 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 Mandan

In Mandan in March, the precipitation amount is 26 mm (1.0 in) over the course of 5 days.

March Precipitation Trends in Mandan

The chart displays monthly precipitation patterns in Mandan, 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 Mandan, March typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec121626275264626056561622
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Mandan

In Mandan in March humidity is 78%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that seeps into your bones, making traveling outdoors a brisk challenge.

March Average Humidity in Mandan

This chart illustrates the average monthly humidity levels in Mandan, 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 Mandan 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 Mandan

In Mandan 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 Mandan.

Maximum UV Index Levels in Mandan for March

The chart shows the monthly maximum UV Index (UVI) for Mandan 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 Mandan typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2459810997532
Data source: Mandan 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 Mandan Compares to Other Months

Weather in Mandan varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Mandan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mandan, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°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 (30°F)26 mm (1.0 inches)78%moderate
April Weather4°C (40°F)27 mm (1.1 inches)75%very high
May Weather13°C (56°F)52 mm (2.0 inches)76%very high
June Weather20°C (69°F)63 mm (2.5 inches)79%very high
July Weather23°C (74°F)62 mm (2.4 inches)78%very high
August Weather21°C (70°F)60 mm (2.4 inches)78%very high
September Weather16°C (61°F)56 mm (2.2 inches)69%high
October Weather6°C (44°F)56 mm (2.2 inches)71%moderate
November Weather-1°C (31°F)16 mm (0.6 inches)82%moderate
December Weather-6°C (22°F)22 mm (0.9 inches)84%low

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