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March Weather in St. Paul, Canada

Last updated: June 18, 2025

In March, the average temperature in St. Paul, Canada hovers around -6°C (21°F). During this chilly month, temperatures can plummet to a minimum of -31°C (-23°F), while occasionally peaking at a maximum of 12°C (55°F). Expect 24 mm (0.9 in) of precipitation over approximately 6 days, creating an atmosphere of 88% humidity. Bundle up and embrace the winter wonders!

March Temperature in St. Paul

In March in St. Paul, the average temperature is -6°C (21°F). The maximum can reach 12°C (55°F), while the minimum can drop to as low as -31°C (-23°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable during their visit.

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

The chart illustrates March temperature patterns in St. Paul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. Paul, March typically has an average temperature of -6°C (21°F), with highs reaching up to 12°C (55°F) and lows dropping to around -31°C (-23°F).
JanFebMarAprMayJunJulAugSepOctNovDec9521345259636050362113
Data source: Temperature data for St. 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 St. Paul

In St. Paul in March, the total precipitation amount is 24 mm (0.9 in) over a span of 6 days.

March Precipitation Trends in St. Paul

The chart displays monthly precipitation patterns in St. 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 St. Paul, March typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec1716243346114975640303018
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in St. Paul

In St. Paul in March, humidity is 88%. With an average temperature of -6°C (21°F), this humidity feels like an intense chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm.

March Average Humidity in St. Paul

This chart illustrates the average monthly humidity levels in St. 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 St. Paul is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%92%88%80%73%71%80%78%73%78%82%92%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in St. Paul

In St. Paul in March, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in St. Paul for better planning.

Maximum UV Index Levels in St. Paul for March

The chart shows the monthly maximum UV Index (UVI) for St. 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 St. Paul typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec134578876321
Data source: St. 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 St. Paul Compares to Other Months

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

This table compares monthly weather conditions in St. Paul, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (9°F)17 mm (0.7 inches)89%low
February Weather-15°C (5°F)16 mm (0.6 inches)92%moderate
March Weather-6°C (21°F)24 mm (0.9 inches)88%moderate
April Weather1°C (34°F)33 mm (1.3 inches)80%moderate
May Weather11°C (52°F)46 mm (1.8 inches)73%high
June Weather15°C (60°F)114 mm (4.5 inches)71%very high
July Weather17°C (63°F)97 mm (3.8 inches)80%very high
August Weather16°C (61°F)56 mm (2.2 inches)78%high
September Weather10°C (50°F)40 mm (1.6 inches)73%high
October Weather2°C (36°F)30 mm (1.2 inches)78%moderate
November Weather-6°C (21°F)29 mm (1.2 inches)82%low
December Weather-11°C (13°F)18 mm (0.7 inches)92%low

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