May Weather in Cannon Falls, United States

Last updated: June 24, 2025

In May, the average temperature in Cannon Falls, United States hovers around 15°C (59°F), making it a comfortable time to visit. However, be prepared for a range of temperatures, as it can dip to a minimum of -1°C (31°F) or soar to a maximum of 36°C (97°F). Rainfall is also a factor, with an average precipitation of 148 mm (5.8 in) over 13 days, contributing to an average humidity of 78%.

May Temperature in Cannon Falls

In May in Cannon Falls, the average temperature is 15°C (59°F). The maximum can reach 36°C (97°F), while the minimum can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling to Cannon Falls during this month.

May Weather in Cannon Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Cannon Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cannon Falls, May typically has an average temperature of 15°C (59°F), with highs reaching up to 36°C (97°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Cannon Falls

In Cannon Falls in May, the precipitation amount is 148 mm (5.8 in) occurring over the course of 13 days.

May Precipitation Trends in Cannon Falls

The chart displays monthly precipitation patterns in Cannon Falls, 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 Cannon Falls, May typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 13 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 Cannon Falls

In Cannon Falls in May, humidity is 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.

May Average Humidity in Cannon Falls

This chart illustrates the average monthly humidity levels in Cannon Falls, 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 Cannon Falls is approximately 78%, 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 Cannon Falls

In Cannon Falls 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 Cannon Falls.

Maximum UV Index Levels in Cannon Falls for May

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

Data source: Cannon Falls 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 Cannon Falls Compares to Other Months

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

This table compares monthly weather conditions in Cannon Falls, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	34 mm (1.4 inches)	87%	moderate
February Weather	-8°C (17°F)	41 mm (1.6 inches)	90%	moderate
March Weather	1°C (34°F)	62 mm (2.4 inches)	85%	moderate
April Weather	6°C (44°F)	90 mm (3.5 inches)	84%	very high
May Weather	15°C (59°F)	148 mm (5.8 inches)	78%	very high
June Weather	22°C (71°F)	114 mm (4.5 inches)	80%	very high
July Weather	23°C (74°F)	107 mm (4.2 inches)	81%	very high
August Weather	21°C (71°F)	119 mm (4.7 inches)	81%	very high
September Weather	18°C (64°F)	119 mm (4.7 inches)	81%	very high
October Weather	9°C (49°F)	94 mm (3.7 inches)	84%	moderate
November Weather	1°C (34°F)	39 mm (1.5 inches)	88%	moderate
December Weather	-4°C (24°F)	50 mm (2.0 inches)	84%	low