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May Weather in Sheffield, United States

Last updated: June 24, 2025

In May, the average temperature in Sheffield, United States hovers around 17°C (63°F). Expect a range from a chilly -1°C (31°F) at the lowest to a warm 34°C (94°F) at the peak. Visitors should also prepare for precipitation averaging 161 mm (6.4 in) over 15 days, with an average humidity of 79% adding to the overall atmosphere.

May Temperature in Sheffield

In May in Sheffield, the average temperature is 17°C (63°F), with maximums reaching 34°C (94°F) and minimums dropping as low as -1°C (31°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!

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

The chart illustrates May temperature patterns in Sheffield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sheffield, May typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (94°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec252740506373767469553933
Data source: Temperature data for Sheffield 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 Sheffield

In Sheffield in May, the total precipitation amount is 161 mm (6.4 in) spread over 15 days.

May Precipitation Trends in Sheffield

The chart displays monthly precipitation patterns in Sheffield, 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 Sheffield, May typically receives around 161 mm (6.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5764101115161160103721031295449
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sheffield

In Sheffield in May, humidity is 79%. With an average temperature of 17°C (63°F), this humidity feels like a warm, muggy embrace, making outdoor activities less comfortable and prompting travelers to seek shaded areas or cool refreshments more frequently.

May Average Humidity in Sheffield

This chart illustrates the average monthly humidity levels in Sheffield, 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 Sheffield is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sheffield

In Sheffield 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 Sheffield.

Maximum UV Index Levels in Sheffield for May

The chart shows the monthly maximum UV Index (UVI) for Sheffield 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 Sheffield typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098642
Data source: Sheffield 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 Sheffield Compares to Other Months

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

This table compares monthly weather conditions in Sheffield, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)57 mm (2.2 inches)82%moderate
February Weather-3°C (27°F)64 mm (2.5 inches)83%moderate
March Weather5°C (41°F)101 mm (4.0 inches)84%high
April Weather10°C (50°F)115 mm (4.5 inches)85%very high
May Weather17°C (63°F)161 mm (6.4 inches)79%very high
June Weather23°C (73°F)160 mm (6.3 inches)82%extreme
July Weather25°C (76°F)103 mm (4.0 inches)80%very high
August Weather23°C (74°F)72 mm (2.8 inches)81%very high
September Weather20°C (69°F)103 mm (4.0 inches)80%very high
October Weather13°C (55°F)129 mm (5.1 inches)82%high
November Weather4°C (39°F)54 mm (2.1 inches)88%moderate
December Weather0°C (33°F)49 mm (1.9 inches)84%low

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