nomadseason

May Weather in St. Paul, Canada

Last updated: June 18, 2025

In May, the average temperature in St. Paul, Canada hovers around 11°C (52°F). However, be prepared for a wide range of temperatures, with minimums plunging to -8°C (18°F) and maximums soaring to 30°C (87°F). Expect around 46 mm (1.8 in) of precipitation spread over roughly 7 days, coupled with an average humidity level of 73%.

May Temperature in St. Paul

In May in St. Paul, the average temperature is 11°C (52°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as -8°C (18°F). Be sure to pack versatile clothing to be prepared for both warm days and chilly nights while exploring the area.

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

The chart illustrates May 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, May typically has an average temperature of 11°C (52°F), with highs reaching up to 30°C (87°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec9521345259636050362113
Data source: Temperature data for St. Paul generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in St. Paul

In St. Paul in May, the precipitation amount is 46 mm (1.8 in) over the course of 7 days.

May Precipitation Trends in St. Paul

The chart displays monthly precipitation patterns in St. Paul, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In St. Paul, May typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1716243346114975640303018
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in St. Paul

In St. Paul in May humidity is 73%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that creeps into your bones, making outdoor exploration tricky but invigorating, as the cool air and moisture combine to create a refreshing yet slightly uncomfortable atmosphere for traveling.

May Average Humidity in St. Paul

This chart illustrates the average monthly humidity levels in St. Paul, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in St. Paul is approximately 73%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in St. Paul

In St. Paul in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in St. Paul.

Maximum UV Index Levels in St. Paul for May

The chart shows the monthly maximum UV Index (UVI) for St. Paul in May, 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 May, the maximum UV index in St. Paul typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec134578876321
Data source: St. Paul May 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 May 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 May’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 May’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

Compare St. Paul's Climate with Cities Worldwide