August Weather in Tonasket, United States

Last updated: June 24, 2025

In Tonasket, United States, the average temperature in August hovers around 20°C (68°F). However, temperatures can vary significantly, with minimums dropping to 4°C (40°F) and maximums soaring to 36°C (98°F). Expect about 9 mm (0.4 in) of precipitation over 2 days, and enjoy a relatively high average humidity of 75%.

August Temperature in Tonasket

In August in Tonasket, the average temperature is 20°C (68°F). Maximum temperatures can reach 36°C (98°F), while minimums can drop as low as 4°C (40°F). Be prepared for a range of weather conditions, making it ideal for both warm and cool activities.

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

The chart illustrates August 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, August typically has an average temperature of 20°C (68°F), with highs reaching up to 36°C (98°F) and lows dropping to around 4°C (40°F).

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

August Precipitation in Tonasket

In Tonasket in August, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

August Precipitation Trends in Tonasket

The chart displays monthly precipitation patterns in Tonasket, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Tonasket, August typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Tonasket

In Tonasket in August, humidity is 75%. With an average temperature of 20°C (68°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and exhausted.

August Average Humidity in Tonasket

This chart illustrates the average monthly humidity levels in Tonasket, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Tonasket is approximately 75%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Tonasket

In Tonasket in August, 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 August

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

Data source: Tonasket August 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 August 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 August’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 August’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