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May Weather in Fergus Falls, United States

Last updated: June 24, 2025

In May, the average temperature in Fergus Falls, United States hovers around 14°C (57°F). However, temperatures can range from a chilly -2°C (29°F) to a sweltering 34°C (94°F). Expect 71 mm (2.8 in) of precipitation spread over 10 days and a comfortable average humidity of 75%.

May Temperature in Fergus Falls

In May in Fergus Falls, the average temperature is 14°C (57°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as -2°C (29°F). This diverse temperature range makes Fergus Falls a unique destination for travelers seeking both warmth and a touch of winter coolness.

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

The chart illustrates May temperature patterns in Fergus Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fergus Falls, May typically has an average temperature of 14°C (57°F), with highs reaching up to 34°C (94°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec111129395670736961453019
Data source: Temperature data for Fergus 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 Fergus Falls

In Fergus Falls in May, the precipitation amount is 71 mm (2.8 in) over a duration of 10 days.

May Precipitation Trends in Fergus Falls

The chart displays monthly precipitation patterns in Fergus 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 Fergus Falls, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec19223361716810012495902341
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Fergus Falls

In Fergus Falls in May, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.

May Average Humidity in Fergus Falls

This chart illustrates the average monthly humidity levels in Fergus 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 Fergus Falls is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%85%81%75%79%77%78%77%79%86%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Fergus Falls

In Fergus 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 Fergus Falls.

Maximum UV Index Levels in Fergus Falls for May

The chart shows the monthly maximum UV Index (UVI) for Fergus 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 Fergus Falls typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Fergus 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 Fergus Falls Compares to Other Months

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

This table compares monthly weather conditions in Fergus Falls, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)19 mm (0.7 inches)90%low
February Weather-12°C (11°F)22 mm (0.9 inches)92%moderate
March Weather-2°C (29°F)33 mm (1.3 inches)85%moderate
April Weather4°C (40°F)61 mm (2.4 inches)81%high
May Weather14°C (57°F)71 mm (2.8 inches)75%very high
June Weather21°C (70°F)68 mm (2.7 inches)79%very high
July Weather23°C (73°F)100 mm (3.9 inches)76%very high
August Weather20°C (69°F)124 mm (4.9 inches)78%very high
September Weather16°C (61°F)94 mm (3.7 inches)77%high
October Weather7°C (45°F)90 mm (3.5 inches)79%moderate
November Weather-1°C (30°F)23 mm (0.9 inches)86%moderate
December Weather-7°C (19°F)41 mm (1.6 inches)86%low

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