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May Weather in International Falls, United States

Last updated: June 24, 2025

In May, the average temperature in International Falls, United States is a mild 12°C (54°F). Temperatures can vary significantly, with a minimum of -4°C (25°F) and peaks reaching up to 32°C (91°F). Expect about 49 mm (1.9 in) of precipitation spread over 9 days, and don't forget that the average humidity sits at a comfortable 75%.

May Temperature in International Falls

In May in International Falls, the average temperature is 12°C (54°F), with maximums reaching up to 32°C (91°F) and minimums dropping as low as -4°C (25°F). This temperature range makes International Falls an ideal destination for travelers seeking both warm and cool experiences during their visit.

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

The chart illustrates May temperature patterns in International Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In International Falls, May typically has an average temperature of 12°C (54°F), with highs reaching up to 32°C (91°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec8826375465696657432614
Data source: Temperature data for International 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 International Falls

In International Falls in May, the total precipitation amount is 49 mm (1.9 in) spread over 9 days.

May Precipitation Trends in International Falls

The chart displays monthly precipitation patterns in International 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 International Falls, May typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2428264949847570138933843
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in International Falls

In International Falls in May, humidity is 75%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that seeps into your bones, making it essential to layer your clothing for comfort while exploring.

May Average Humidity in International Falls

This chart illustrates the average monthly humidity levels in International 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 International Falls is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%95%92%85%75%71%70%72%75%82%90%96%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in International Falls

In International 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 International Falls.

Maximum UV Index Levels in International Falls for May

The chart shows the monthly maximum UV Index (UVI) for International 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 International Falls typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987421
Data source: International 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 International Falls Compares to Other Months

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

This table compares monthly weather conditions in International Falls, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (8°F)24 mm (0.9 inches)96%low
February Weather-14°C (8°F)27 mm (1.1 inches)95%moderate
March Weather-3°C (26°F)26 mm (1.0 inches)92%moderate
April Weather3°C (38°F)49 mm (1.9 inches)85%high
May Weather12°C (54°F)49 mm (1.9 inches)75%very high
June Weather18°C (65°F)84 mm (3.3 inches)71%very high
July Weather21°C (70°F)75 mm (3.0 inches)70%very high
August Weather19°C (66°F)70 mm (2.7 inches)72%very high
September Weather14°C (57°F)138 mm (5.4 inches)75%high
October Weather6°C (43°F)93 mm (3.6 inches)82%moderate
November Weather-3°C (26°F)38 mm (1.5 inches)90%low
December Weather-10°C (15°F)43 mm (1.7 inches)96%low

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