May Weather in Tonasket, United States

Last updated: June 24, 2025

In May, the average temperature in Tonasket, United States is a mild 12°C (54°F), but be prepared for a range: it can dip as low as -2°C (29°F) and soar up to 29°C (85°F). During this month, expect about 43 mm (1.7 in) of precipitation spread over 6 days, contributing to an average humidity of 82%. Stay comfortable and plan accordingly!

May Temperature in Tonasket

In May in Tonasket, the average temperature is 12°C (54°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as -2°C (29°F). When traveling during this month, be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Tonasket, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonasket, May typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (85°F) and lows dropping to around -2°C (29°F).

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

May Precipitation in Tonasket

In Tonasket in May, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

May Precipitation Trends in Tonasket

The chart displays monthly precipitation patterns in Tonasket, 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 Tonasket, May typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 6 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Tonasket

In Tonasket in May humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.

May Average Humidity in Tonasket

This chart illustrates the average monthly humidity levels in Tonasket, 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 Tonasket 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 Tonasket

In Tonasket 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 Tonasket.

Maximum UV Index Levels in Tonasket for May

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

Data source: Tonasket 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 Tonasket Compares to Other Months

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

This table compares monthly weather conditions in Tonasket, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	78 mm (3.1 inches)	90%	low
February Weather	-4°C (25°F)	63 mm (2.5 inches)	91%	moderate
March Weather	2°C (36°F)	63 mm (2.5 inches)	89%	moderate
April Weather	6°C (44°F)	54 mm (2.1 inches)	85%	high
May Weather	12°C (54°F)	43 mm (1.7 inches)	82%	very high
June Weather	17°C (62°F)	24 mm (0.9 inches)	81%	very high
July Weather	21°C (70°F)	5 mm (0.2 inches)	84%	very high
August Weather	20°C (68°F)	9 mm (0.4 inches)	75%	very high
September Weather	14°C (57°F)	30 mm (1.2 inches)	74%	high
October Weather	6°C (43°F)	54 mm (2.1 inches)	85%	moderate
November Weather	1°C (34°F)	70 mm (2.8 inches)	88%	moderate
December Weather	-3°C (27°F)	77 mm (3.0 inches)	93%	low