May Weather in Colville, United States

Last updated: June 24, 2025

In May, the average temperature in Colville, United States is a mild 13°C (56°F). However, temperatures can vary widely, with a minimum of -2°C (29°F) and reaching up to a warm 30°C (85°F). Expect about 58 mm (2.3 in) of precipitation over 8 days, and high humidity levels averaging around 82%.

May Temperature in Colville

In May in Colville, the average temperature is 13°C (56°F), with maximums reaching up to 30°C (85°F) and minimums dropping as low as -2°C (29°F). This variability makes it essential for travelers to pack a versatile wardrobe to enjoy their visit comfortably.

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

The chart illustrates May temperature patterns in Colville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colville, May typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (85°F) and lows dropping to around -2°C (29°F).

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

May Precipitation in Colville

In Colville in May, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

May Precipitation Trends in Colville

The chart displays monthly precipitation patterns in Colville, 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 Colville, May typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 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 Colville

In Colville in May, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

May Average Humidity in Colville

This chart illustrates the average monthly humidity levels in Colville, 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 Colville is approximately 82%, 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 Colville

In Colville 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 Colville.

Maximum UV Index Levels in Colville for May

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

Data source: Colville 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 Colville Compares to Other Months

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

This table compares monthly weather conditions in Colville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	73 mm (2.9 inches)	90%	low
February Weather	-3°C (26°F)	56 mm (2.2 inches)	91%	moderate
March Weather	2°C (36°F)	58 mm (2.3 inches)	89%	moderate
April Weather	7°C (45°F)	63 mm (2.5 inches)	85%	high
May Weather	13°C (56°F)	58 mm (2.3 inches)	82%	very high
June Weather	18°C (64°F)	37 mm (1.5 inches)	81%	very high
July Weather	22°C (73°F)	12 mm (0.5 inches)	84%	very high
August Weather	22°C (71°F)	23 mm (0.9 inches)	75%	very high
September Weather	15°C (60°F)	39 mm (1.5 inches)	74%	high
October Weather	7°C (45°F)	51 mm (2.0 inches)	85%	moderate
November Weather	2°C (35°F)	60 mm (2.4 inches)	88%	moderate
December Weather	-2°C (29°F)	67 mm (2.6 inches)	93%	low