May Weather in Black River Falls, United States

Last updated: June 24, 2025

In May, the average temperature in Black River Falls, United States is a mild 15°C (59°F). However, be prepared for a temperature range that can swing from a chilly -1°C (31°F) to a sweltering 35°C (95°F). Expect about 133 mm (5.2 in) of precipitation over 14 days, contributing to an average humidity level of 79%. Pack accordingly!

May Temperature in Black River Falls

In May in Black River Falls, the average temperature is 15°C (59°F). The maximum can reach 35°C (95°F), while the minimum can be as low as -1°C (31°F). This varied climate makes Black River Falls an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates May temperature patterns in Black River Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Black River Falls, May typically has an average temperature of 15°C (59°F), with highs reaching up to 35°C (95°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Black River Falls

In Black River Falls in May, the precipitation amount is 133 mm (5.2 in) occurring over the course of 14 days.

May Precipitation Trends in Black River Falls

The chart displays monthly precipitation patterns in Black River 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 Black River Falls, May typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Black River Falls

In Black River Falls in May humidity is 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.

May Average Humidity in Black River Falls

This chart illustrates the average monthly humidity levels in Black River 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 Black River Falls is approximately 79%, 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 Black River Falls

In Black River Falls in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Black River Falls.

Maximum UV Index Levels in Black River Falls for May

The chart shows the monthly maximum UV Index (UVI) for Black River 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 Black River Falls typically reaches 8, which falls under the very high exposure category.

Data source: Black River 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 Black River Falls Compares to Other Months

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

This table compares monthly weather conditions in Black River Falls, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	34 mm (1.3 inches)	88%	low
February Weather	-7°C (20°F)	52 mm (2.0 inches)	89%	moderate
March Weather	1°C (35°F)	57 mm (2.3 inches)	86%	moderate
April Weather	7°C (45°F)	89 mm (3.5 inches)	85%	very high
May Weather	15°C (59°F)	133 mm (5.2 inches)	79%	very high
June Weather	21°C (70°F)	133 mm (5.2 inches)	80%	very high
July Weather	23°C (73°F)	109 mm (4.3 inches)	80%	very high
August Weather	21°C (70°F)	123 mm (4.8 inches)	78%	very high
September Weather	18°C (64°F)	104 mm (4.1 inches)	80%	high
October Weather	10°C (49°F)	114 mm (4.5 inches)	84%	moderate
November Weather	1°C (35°F)	52 mm (2.1 inches)	89%	moderate
December Weather	-4°C (26°F)	47 mm (1.9 inches)	85%	low