August weather forecastBonney Lake, WA
August
Weather in August
August, the last month of the summer in Bonney Lake, is also a moderately hot month, with an average temperature fluctuating between 75.7°F (24.3°C) and 50.9°F (10.5°C).Temperature
August, with its average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 50.9°F (10.5°C), holds the record as the warmest month.Humidity
July and August, with an average relative humidity of 70%, are the least humid months.Rainfall
In August, the rain falls for 6.8 days. Throughout August, 0.71" (18mm) of precipitation is accumulated. In Bonney Lake, during the entire year, the rain falls for 185 days and collects up to 35.71" (907mm) of precipitation.Snowfall
In Bonney Lake, snow does not fall in May through October.Daylight
The average length of the day in August is 14h and 10min.On the first day of August, sunrise is at 5:48 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:49 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 10.9h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 4 transforms into these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. 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
Bonney Lake, WA
- Average high temperature in August: 75.7°F
The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is December (41.4°F).
- Average low temperature in August: 50.9°F
The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (32°F).
Average pressure in August
Bonney Lake, 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
Bonney Lake, WA
- Average wind speed in August: 3.5mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in August
Bonney Lake, WA
- Average humidity in August: 70%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in August
Bonney Lake, WA
- Average rainfall in August: 0.71"
The wettest month (with the highest rainfall) is December (5.35").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in August
Bonney Lake, WA
- Average rainfall days in August: 6.8 days
The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in August
Bonney Lake, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Bonney Lake, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.3 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
Bonney Lake, 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 36min).
- Average sunshine in August: 10h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in August
Bonney Lake, WA
- Average sunshine days in August: 22 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in August
Bonney Lake, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in August
Bonney Lake, WA
- Average cloud cover in August: 25
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
Bonney Lake, WA
- Average visibility in August: 6mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).
