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May Weather in River Falls, United States

Last updated: June 24, 2025

In May, the average temperature in River Falls, United States is a pleasant 24°C (75°F). Temperatures can vary significantly, with a minimum of 8°C (48°F) and a maximum soaring up to 38°C (100°F). Expect 122 mm (4.8 in) of precipitation over 11 days, accompanied by an average humidity of 74%. Stay prepared for a mix of warmth and refreshing showers!

May Temperature in River Falls

In May in River Falls, the average temperature is 24°C (75°F). Maximum temperatures can reach 38°C (100°F) while minimums can dip as low as 8°C (48°F). This makes River Falls a perfect destination for travelers seeking a warm climate with the possibility of cooler evenings.

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

The chart illustrates May temperature patterns in 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 River Falls, May typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (100°F) and lows dropping to around 8°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec515762667479818178715854
Data source: Temperature data for River Falls 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.

May Precipitation in River Falls

In River Falls in May, the total precipitation amount is 122 mm (4.8 in) over a span of 11 days.

May Precipitation Trends in River Falls

The chart displays monthly precipitation patterns in 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 River Falls, May typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1001288812312215713214011410456134
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in River Falls

In River Falls in May, humidity is 74%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both sticky and exhilarating, as the heat clings to your skin while inviting you to seek out refreshing breezes or cool shade.

May Average Humidity in River Falls

This chart illustrates the average monthly humidity levels in 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 River Falls is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%79%77%74%70%78%78%79%74%83%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in River Falls

In River Falls in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in River Falls.

Maximum UV Index Levels in River Falls for May

The chart shows the monthly maximum UV Index (UVI) for 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 River Falls typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: 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 River Falls Compares to Other Months

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

This table compares monthly weather conditions in River Falls, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)100 mm (3.9 inches)83%moderate
February Weather14°C (58°F)128 mm (5.1 inches)82%very high
March Weather17°C (62°F)87 mm (3.4 inches)79%very high
April Weather19°C (67°F)123 mm (4.8 inches)77%extreme
May Weather24°C (75°F)122 mm (4.8 inches)74%extreme
June Weather26°C (79°F)157 mm (6.2 inches)70%extreme
July Weather27°C (81°F)132 mm (5.2 inches)78%extreme
August Weather27°C (81°F)140 mm (5.5 inches)78%extreme
September Weather26°C (79°F)114 mm (4.5 inches)79%very high
October Weather22°C (71°F)104 mm (4.1 inches)74%very high
November Weather14°C (58°F)56 mm (2.2 inches)83%high
December Weather12°C (54°F)134 mm (5.3 inches)86%moderate

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