March Weather in Saint Paul, United States

Last updated: June 24, 2025

In Saint Paul, United States, the average temperature in March hovers around 4°C (40°F). Be prepared for a range of temperatures; it can dip as low as -22°C (-7°F) or soar up to 26°C (79°F). Expect 86 mm (3.4 in) of precipitation over 9 days, contributing to a cozy average humidity of 69%. Perfect for enjoying the unique charm of the season!

March Temperature in Saint Paul

In March in Saint Paul, the average temperature is 4°C (40°F). Maximum temperatures can reach 26°C (79°F), while minimums can plummet to as low as -22°C (-7°F). Prepare for a wide range of weather, making it essential to pack layers for comfortable travel.

March Weather in Saint Paul: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Saint Paul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Paul, March typically has an average temperature of 4°C (40°F), with highs reaching up to 26°C (79°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec252540486074777468514030
Data source: Temperature data for Saint Paul 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 Saint Paul

In Saint Paul in March, the precipitation amount is 86 mm (3.4 in), falling over the course of 9 days.

March Precipitation Trends in Saint Paul

The chart displays monthly precipitation patterns in Saint Paul, 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 Saint Paul, March typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2518865614485668457882141
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Saint Paul

In Saint Paul in March, humidity is 69%. With an average temperature of 4°C (40°F), this humidity feels like a brisk chill that penetrates your layers, making traveling outdoors somewhat uncomfortable as the cold air combines with the dampness, creating a biting sensation that can quickly sap your warmth.

March Average Humidity in Saint Paul

This chart illustrates the average monthly humidity levels in Saint Paul, 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 Saint Paul is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%81%69%71%80%83%84%84%77%72%80%79%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Saint Paul

In Saint Paul in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Saint Paul, you can refer to this Hourly UV Index in Saint Paul.

Maximum UV Index Levels in Saint Paul for March

The chart shows the monthly maximum UV Index (UVI) for Saint Paul 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 Saint Paul typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110108643
Data source: Saint Paul 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 Saint Paul Compares to Other Months

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

This table compares monthly weather conditions in Saint Paul, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)25 mm (1.0 inches)73%moderate
February Weather-4°C (25°F)18 mm (0.7 inches)81%moderate
March Weather4°C (40°F)86 mm (3.4 inches)69%high
April Weather9°C (49°F)56 mm (2.2 inches)71%very high
May Weather16°C (61°F)144 mm (5.7 inches)80%very high
June Weather23°C (74°F)85 mm (3.3 inches)83%extreme
July Weather25°C (77°F)66 mm (2.6 inches)84%very high
August Weather23°C (74°F)84 mm (3.3 inches)84%very high
September Weather20°C (68°F)57 mm (2.2 inches)77%very high
October Weather10°C (51°F)88 mm (3.5 inches)72%high
November Weather4°C (40°F)21 mm (0.8 inches)80%moderate
December Weather-1°C (30°F)41 mm (1.6 inches)79%moderate

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