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May Weather in Mount Morris, United States

Last updated: June 24, 2025

In May, the average temperature in Mount Morris, United States hovers around 14°C (58°F). However, be prepared for a range of temperatures, as the minimum can drop to -3°C (27°F) while the maximum can reach an impressive 34°C (93°F). With an average precipitation of 111 mm (4.4 in) spread over 12 days, expect some moisture in the air, complemented by an average humidity level of 78%.

May Temperature in Mount Morris

In May in Mount Morris, the average temperature is 14°C (58°F). Maximums can reach 34°C (93°F) while minimums can drop as low as -3°C (27°F). It's essential to pack for both warm and chilly weather to ensure a comfortable trip.

May Weather in Mount Morris: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mount Morris, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Morris, May typically has an average temperature of 14°C (58°F), with highs reaching up to 34°C (93°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec202034445869737063503527
Data source: Temperature data for Mount Morris 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 Mount Morris

In Mount Morris, in May, the precipitation amount is 111 mm (4.4 in) over a span of 12 days.

May Precipitation Trends in Mount Morris

The chart displays monthly precipitation patterns in Mount Morris, 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 Mount Morris, May typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec445263100111111123116901024750
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mount Morris

In Mount Morris in May, humidity is 78%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat more than usual while exploring.

May Average Humidity in Mount Morris

This chart illustrates the average monthly humidity levels in Mount Morris, 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 Mount Morris is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mount Morris

In Mount Morris 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 Mount Morris.

Maximum UV Index Levels in Mount Morris for May

The chart shows the monthly maximum UV Index (UVI) for Mount Morris 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 Mount Morris typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: Mount Morris 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 Mount Morris Compares to Other Months

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

This table compares monthly weather conditions in Mount Morris, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)43 mm (1.7 inches)85%moderate
February Weather-6°C (21°F)52 mm (2.0 inches)85%moderate
March Weather1°C (34°F)63 mm (2.5 inches)85%moderate
April Weather7°C (44°F)100 mm (3.9 inches)85%very high
May Weather14°C (58°F)111 mm (4.4 inches)78%very high
June Weather21°C (69°F)111 mm (4.4 inches)80%very high
July Weather23°C (74°F)123 mm (4.8 inches)78%very high
August Weather21°C (70°F)116 mm (4.6 inches)76%very high
September Weather17°C (63°F)90 mm (3.6 inches)79%high
October Weather10°C (50°F)102 mm (4.0 inches)83%moderate
November Weather2°C (35°F)47 mm (1.9 inches)88%moderate
December Weather-3°C (27°F)49 mm (1.9 inches)81%low

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