August weather forecastBothell, WA
August
Weather in August
In Bothell, August continues to uphold the summer spirit. People can enjoy warm, sunlit days, even as daily temperatures begin to fall subtly. It carries the reputation for being the driest month, receiving only an average of 0.55" (14mm) of rainfall. Despite the recurrent summer patterns, August also hints at the arrival of the cooler fall. As it acts as the bridge between summer and autumn, August's sunny disposition aligns perfectly with the anticipation of the colorful fall foliage in September.Temperature
Bothell reaches its highest average temperatures in August, measuring 74.8°F (23.8°C) at the peak and 53.1°F (11.7°C) at the lowest.Humidity
In Bothell, the average relative humidity in August is 72%.Rainfall
In Bothell, during August, the rain falls for 6.9 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Bothell, during the entire year, the rain falls for 166.9 days and collects up to 21.93" (557mm) of precipitation.Snowfall
In Bothell, snow does not fall in May through October.Daylight
The average length of the day in August is 14h and 13min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:43 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:50 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 10.7h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In August, the maximum UV index of 4 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Bothell, WA
- Average high temperature in August: 74.8°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in August: 53.1°F
The month with the highest average low temperature is August (53.1°F).
The coldest months (with the lowest average low temperature) are February and December (35.1°F).
Average pressure in August
Bothell, WA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
Bothell, WA
- Average wind speed in August: 3.4mph
The windiest months (with the highest average wind speed) are January and March (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in August
Bothell, WA
- Average humidity in August: 72%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (71%).
Average rainfall in August
Bothell, WA
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is January (2.87").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
Bothell, WA
- Average rainfall days in August: 6.9 days
The month with the highest number of rainy days is November (17.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in August
Bothell, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Bothell, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Bothell, WA
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in August: 10h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in August
Bothell, WA
- Average sunshine days in August: 21.9 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in August
Bothell, WA
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Bothell, WA
- Average cloud cover in August: 24
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in August
Bothell, WA
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
