nomadseason

May Weather in Billings, United States

Last updated: June 24, 2025

In Billings, United States, the average temperature in May hovers around 20°C (69°F). During this time, you can expect a significant range, with minimum temperatures dipping to 5°C (41°F) and maximums soaring up to 36°C (98°F). Over 13 days, the region sees an average precipitation of 158 mm (6.2 in), while the humidity remains high at 82%, creating a warm and occasionally wet atmosphere.

May Temperature in Billings

In May, in Billings, the average temperature is 20°C (69°F). Maximums can reach 36°C (98°F), while minimums can drop as low as 5°C (41°F). It's wise to pack both light clothing for the warm days and some layers for the cooler nights when traveling during this time.

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

The chart illustrates May temperature patterns in Billings, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Billings, May typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (98°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec373852586979838075614842
Data source: Temperature data for Billings generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Billings

In Billings in May, the precipitation amount is 158 mm (6.2 in) over the course of 13 days.

May Precipitation Trends in Billings

The chart displays monthly precipitation patterns in Billings, 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 Billings, May typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec453589911581165887781112829
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Billings

In Billings in May humidity is 82%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that clings to your skin, making it necessary to stay hydrated while exploring the sights.

May Average Humidity in Billings

This chart illustrates the average monthly humidity levels in Billings, 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 Billings is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%67%70%82%82%81%76%67%72%80%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Billings

In Billings 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 Billings.

Maximum UV Index Levels in Billings for May

The chart shows the monthly maximum UV Index (UVI) for Billings 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 Billings typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109753
Data source: Billings 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 Billings Compares to Other Months

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

This table compares monthly weather conditions in Billings, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)45 mm (1.8 inches)75%moderate
February Weather4°C (39°F)35 mm (1.4 inches)76%high
March Weather11°C (52°F)89 mm (3.5 inches)67%high
April Weather15°C (59°F)91 mm (3.6 inches)70%very high
May Weather20°C (69°F)158 mm (6.2 inches)82%very high
June Weather26°C (80°F)116 mm (4.5 inches)82%extreme
July Weather28°C (83°F)57 mm (2.3 inches)81%extreme
August Weather27°C (81°F)87 mm (3.4 inches)76%very high
September Weather24°C (76°F)78 mm (3.1 inches)67%very high
October Weather16°C (61°F)111 mm (4.4 inches)72%high
November Weather9°C (49°F)28 mm (1.1 inches)80%moderate
December Weather5°C (42°F)29 mm (1.1 inches)83%moderate

Compare Billings's Climate with Cities Worldwide