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May Weather in Hysham, United States

Last updated: June 24, 2025

In May, the average temperature in Hysham, United States hovers around 13°C (57°F). Be prepared for temperature fluctuations, as it can dip as low as -1°C (30°F) and soar to 33°C (92°F). During this month, expect 51 mm (2.0 in) of precipitation spread over 8 days, contributing to an average humidity level of 76%.

May Temperature in Hysham

In May in Hysham, the average temperature is 13°C (57°F). Maximums can reach 33°C (92°F), while minimums can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures when traveling during this month in Hysham.

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

The chart illustrates May temperature patterns in Hysham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hysham, May typically has an average temperature of 13°C (57°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec241934445668777463463628
Data source: Temperature data for Hysham 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 Hysham

In Hysham in May, the total precipitation amount is 51 mm (2.0 in), spread over a duration of 8 days.

May Precipitation Trends in Hysham

The chart displays monthly precipitation patterns in Hysham, 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 Hysham, May typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec173430545158262143342324
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hysham

In Hysham in May humidity is 76%. With an average temperature of 13°C (57°F), this humidity feels like a damp chill wrapping around you, making travel uncomfortable and prompting a constant need for a light jacket as you navigate through the misty atmosphere.

May Average Humidity in Hysham

This chart illustrates the average monthly humidity levels in Hysham, 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 Hysham is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%76%70%76%78%78%73%67%68%77%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hysham

In Hysham 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 Hysham.

Maximum UV Index Levels in Hysham for May

The chart shows the monthly maximum UV Index (UVI) for Hysham 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 Hysham typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101098532
Data source: Hysham 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 Hysham Compares to Other Months

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

This table compares monthly weather conditions in Hysham, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)17 mm (0.7 inches)80%low
February Weather-7°C (19°F)33 mm (1.3 inches)83%moderate
March Weather1°C (35°F)30 mm (1.2 inches)75%moderate
April Weather7°C (44°F)54 mm (2.1 inches)70%very high
May Weather13°C (57°F)51 mm (2.0 inches)76%very high
June Weather20°C (69°F)58 mm (2.3 inches)78%very high
July Weather25°C (77°F)26 mm (1.0 inches)78%very high
August Weather23°C (74°F)21 mm (0.8 inches)73%very high
September Weather17°C (63°F)43 mm (1.7 inches)67%very high
October Weather8°C (46°F)34 mm (1.3 inches)68%moderate
November Weather2°C (37°F)23 mm (0.9 inches)77%moderate
December Weather-2°C (29°F)24 mm (1.0 inches)84%low

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