May Weather in Chinook, United States

Last updated: June 24, 2025

In May, the average temperature in Chinook, United States is a mild 12°C (54°F), but be prepared for a range that can dip as low as -5°C (24°F) or soar up to a balmy 30°C (87°F). Expect 42 mm (1.7 in) of precipitation over 9 days, contributing to an average humidity of 73%. Pack accordingly!

May Temperature in Chinook

In May in Chinook, the average temperature is 12°C (54°F), with maximums reaching 30°C (87°F) and minimums dropping as low as -5°C (24°F). This variation in temperature makes Chinook an ideal destination for travelers seeking a diverse climate experience.

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

The chart illustrates May temperature patterns in Chinook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chinook, May typically has an average temperature of 12°C (54°F), with highs reaching up to 30°C (87°F) and lows dropping to around -5°C (24°F).

Data source: Temperature data for Chinook generated using information from the Copernicus Climate Change Service.

May Precipitation in Chinook

In Chinook in May, the precipitation amount is 42 mm (1.7 in) spread over 9 days.

May Precipitation Trends in Chinook

The chart displays monthly precipitation patterns in Chinook, 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 Chinook, May typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Chinook

In Chinook in May, humidity is 73%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace, making travel moderately uncomfortable as the dampness can chill you to your bones, especially during early morning excursions or late afternoon strolls.

May Average Humidity in Chinook

This chart illustrates the average monthly humidity levels in Chinook, 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 Chinook is approximately 73%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Chinook

In Chinook in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Chinook.

Maximum UV Index Levels in Chinook for May

The chart shows the monthly maximum UV Index (UVI) for Chinook 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 Chinook typically reaches 8, which falls under the very high exposure category.

Data source: Chinook 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 Chinook Compares to Other Months

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

This table compares monthly weather conditions in Chinook, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	13 mm (0.5 inches)	85%	low
February Weather	-9°C (16°F)	31 mm (1.2 inches)	90%	moderate
March Weather	0°C (31°F)	23 mm (0.9 inches)	82%	moderate
April Weather	5°C (41°F)	32 mm (1.3 inches)	73%	high
May Weather	12°C (54°F)	42 mm (1.7 inches)	73%	very high
June Weather	18°C (64°F)	52 mm (2.1 inches)	72%	very high
July Weather	22°C (71°F)	16 mm (0.6 inches)	74%	very high
August Weather	20°C (69°F)	29 mm (1.2 inches)	71%	very high
September Weather	14°C (58°F)	45 mm (1.8 inches)	65%	high
October Weather	6°C (43°F)	29 mm (1.1 inches)	68%	moderate
November Weather	1°C (33°F)	34 mm (1.3 inches)	81%	moderate
December Weather	-4°C (26°F)	22 mm (0.9 inches)	89%	low