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May Weather in Mankato, United States

Last updated: June 24, 2025

In Mankato, United States, the average temperature in May is a pleasant 18°C (64°F). However, you can expect a wide range of temperatures, with a minimum of 2°C (35°F) and a maximum soaring up to 36°C (97°F). Be prepared for some rain too, as the area receives an average precipitation of 176 mm (6.9 in) over 14 days. With an average humidity of 82%, it's best to stay hydrated and enjoy the mild climate!

May Temperature in Mankato

In May in Mankato, the average temperature is 18°C (64°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 2°C (35°F). Travelers should be prepared for a wide range of temperatures, from warm days to cool nights.

May Weather in Mankato: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mankato, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mankato, May typically has an average temperature of 18°C (64°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec292944526477817772544334
Data source: Temperature data for Mankato 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 Mankato

In Mankato in May, the precipitation amount is 176 mm (6.9 in) over a period of 14 days.

May Precipitation Trends in Mankato

The chart displays monthly precipitation patterns in Mankato, 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 Mankato, May typically receives around 176 mm (6.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec2522774517671729965762040
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mankato

In Mankato in May humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

May Average Humidity in Mankato

This chart illustrates the average monthly humidity levels in Mankato, 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 Mankato is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%78%67%70%82%81%80%80%74%71%79%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mankato

In Mankato in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Mankato.

Maximum UV Index Levels in Mankato for May

The chart shows the monthly maximum UV Index (UVI) for Mankato 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 Mankato typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Mankato 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 Mankato Compares to Other Months

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

This table compares monthly weather conditions in Mankato, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)25 mm (1.0 inches)74%moderate
February Weather-2°C (30°F)21 mm (0.8 inches)78%moderate
March Weather6°C (44°F)77 mm (3.0 inches)67%high
April Weather11°C (53°F)45 mm (1.8 inches)70%very high
May Weather18°C (64°F)176 mm (6.9 inches)82%very high
June Weather25°C (78°F)71 mm (2.8 inches)81%extreme
July Weather27°C (81°F)72 mm (2.8 inches)80%extreme
August Weather25°C (77°F)99 mm (3.9 inches)80%very high
September Weather22°C (72°F)65 mm (2.6 inches)73%very high
October Weather12°C (55°F)76 mm (3.0 inches)71%high
November Weather6°C (43°F)20 mm (0.8 inches)79%moderate
December Weather1°C (34°F)39 mm (1.6 inches)83%moderate

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