August Weather in Bothell, United States

Last updated: June 24, 2025

In August, the average temperature in Bothell, United States is a comfortable 19°C (66°F). You'll experience a range from a cool 10°C (51°F) to a warm 34°C (93°F), making it a diverse month for weather. Expect about 24 mm (0.9 in) of precipitation spread over 5 days, with an average humidity of 63% adding a touch of moisture to the air.

August Temperature in Bothell

In August in Bothell, the average temperature is 19°C (66°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 10°C (51°F). This climate makes Bothell an ideal destination for outdoor activities and exploring the local attractions.

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

The chart illustrates August temperature patterns in Bothell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bothell, August typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 10°C (51°F).

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

August Precipitation in Bothell

In Bothell in August, the precipitation amount is 24 mm (0.9 in) over the course of 5 days.

August Precipitation Trends in Bothell

The chart displays monthly precipitation patterns in Bothell, 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 Bothell, August typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Bothell

In Bothell in August, humidity is 63%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it pleasantly comfortable for exploring the area's sights while infusing the air with a refreshing vitality that's ideal for travel.

August Average Humidity in Bothell

This chart illustrates the average monthly humidity levels in Bothell, 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 Bothell is approximately 63%, 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 Bothell

In Bothell 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 Bothell.

Maximum UV Index Levels in Bothell for August

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

Data source: Bothell 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 Bothell Compares to Other Months

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

This table compares monthly weather conditions in Bothell, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	178 mm (7.0 inches)	86%	low
February Weather	5°C (41°F)	177 mm (7.0 inches)	86%	moderate
March Weather	7°C (45°F)	128 mm (5.0 inches)	87%	moderate
April Weather	10°C (50°F)	117 mm (4.6 inches)	84%	high
May Weather	13°C (56°F)	77 mm (3.0 inches)	81%	very high
June Weather	16°C (61°F)	73 mm (2.9 inches)	82%	very high
July Weather	18°C (65°F)	27 mm (1.1 inches)	79%	very high
August Weather	19°C (66°F)	24 mm (0.9 inches)	63%	very high
September Weather	16°C (61°F)	99 mm (3.9 inches)	62%	high
October Weather	11°C (52°F)	163 mm (6.4 inches)	83%	moderate
November Weather	8°C (47°F)	188 mm (7.4 inches)	89%	low
December Weather	6°C (42°F)	199 mm (7.8 inches)	88%	low