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May Weather in Sheridan, United States

Last updated: June 24, 2025

In Sheridan, United States, the average temperature in May hovers around 18°C (64°F), creating a mild atmosphere. However, be prepared for a range of temperatures: it can dip to a chilling -2°C (29°F) or soar to a sweltering 34°C (93°F). With an average precipitation of 147 mm (5.8 in) spread over 15 days, you might want to pack an umbrella! Additionally, the average humidity sits at a comfortable 81%, enhancing the overall experience of this vibrant destination.

May Temperature in Sheridan

In May in Sheridan, the average temperature is 18°C (64°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as -2°C (29°F). Be prepared for a wide range of weather conditions, making it essential to pack accordingly for your travels.

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

The chart illustrates May temperature patterns in Sheridan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sheridan, May typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec293242516473767369574135
Data source: Temperature data for Sheridan 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 Sheridan

In Sheridan in May, the precipitation amount is 147 mm (5.8 in) over a span of 15 days.

May Precipitation Trends in Sheridan

The chart displays monthly precipitation patterns in Sheridan, 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 Sheridan, May typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec788511293147110106101721078269
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sheridan

In Sheridan in May, humidity is 81%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel both refreshing and slightly stifling at the same time.

May Average Humidity in Sheridan

This chart illustrates the average monthly humidity levels in Sheridan, 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 Sheridan is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sheridan

In Sheridan 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 Sheridan.

Maximum UV Index Levels in Sheridan for May

The chart shows the monthly maximum UV Index (UVI) for Sheridan 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 Sheridan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Sheridan 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 Sheridan Compares to Other Months

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

This table compares monthly weather conditions in Sheridan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)78 mm (3.1 inches)85%moderate
February Weather0°C (32°F)85 mm (3.4 inches)85%moderate
March Weather5°C (42°F)111 mm (4.4 inches)86%high
April Weather11°C (52°F)93 mm (3.7 inches)87%very high
May Weather18°C (64°F)147 mm (5.8 inches)81%very high
June Weather23°C (73°F)109 mm (4.3 inches)82%extreme
July Weather24°C (76°F)106 mm (4.2 inches)81%very high
August Weather23°C (73°F)100 mm (4.0 inches)79%very high
September Weather21°C (69°F)72 mm (2.8 inches)78%very high
October Weather14°C (57°F)107 mm (4.2 inches)81%high
November Weather5°C (41°F)82 mm (3.2 inches)89%moderate
December Weather2°C (35°F)69 mm (2.7 inches)86%low

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