May Weather in Owatonna, United States

Last updated: June 24, 2025

In May, the average temperature in Owatonna, United States hovers around 15°C (59°F). Expect a range of conditions, with temperatures dipping to a chilly -1°C (31°F) and soaring up to a warm 35°C (96°F). During this month, precipitation is not uncommon, with about 140 mm (5.5 in) of rain spread over 14 days, contributing to an average humidity level of 74%. Stay prepared for varying weather as you enjoy your time in this vibrant locale!

May Temperature in Owatonna

In May in Owatonna, the average temperature is 15°C (59°F). Maximum can reach 35°C (96°F) and minimum can be as low as -1°C (31°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly!

May Weather in Owatonna: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Owatonna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Owatonna, May typically has an average temperature of 15°C (59°F), with highs reaching up to 35°C (96°F) and lows dropping to around -1°C (31°F).

Data source: Temperature data for Owatonna generated using information from the Copernicus Climate Change Service.

May Precipitation in Owatonna

In Owatonna in May, the precipitation amount is 140 mm (5.5 in) over the course of 14 days.

May Precipitation Trends in Owatonna

The chart displays monthly precipitation patterns in Owatonna, 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 Owatonna, May typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Owatonna

In Owatonna in May, humidity is 74%. With an average temperature of 15°C (59°F), this humidity feels like traveling through a warm, sticky blanket that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to seek out shaded areas or cool breezes.

May Average Humidity in Owatonna

This chart illustrates the average monthly humidity levels in Owatonna, 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 Owatonna is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Owatonna

In Owatonna in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Owatonna.

Maximum UV Index Levels in Owatonna for May

The chart shows the monthly maximum UV Index (UVI) for Owatonna 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 Owatonna typically reaches 9, which falls under the very high exposure category.

Data source: Owatonna 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 Owatonna Compares to Other Months

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

This table compares monthly weather conditions in Owatonna, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (17°F)	35 mm (1.4 inches)	82%	moderate
February Weather	-9°C (16°F)	43 mm (1.7 inches)	84%	moderate
March Weather	1°C (33°F)	66 mm (2.6 inches)	80%	moderate
April Weather	6°C (44°F)	92 mm (3.6 inches)	81%	very high
May Weather	15°C (59°F)	140 mm (5.5 inches)	74%	very high
June Weather	22°C (71°F)	123 mm (4.9 inches)	80%	very high
July Weather	23°C (74°F)	104 mm (4.1 inches)	80%	very high
August Weather	21°C (70°F)	122 mm (4.8 inches)	77%	very high
September Weather	18°C (64°F)	133 mm (5.2 inches)	75%	very high
October Weather	9°C (49°F)	97 mm (3.8 inches)	80%	moderate
November Weather	1°C (34°F)	41 mm (1.6 inches)	87%	moderate
December Weather	-4°C (25°F)	44 mm (1.7 inches)	83%	moderate