August weather forecastNorth Bonneville, WA
August
Weather in August
The last month of the summer, August, is another warm month in North Bonneville, Washington, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 76.5°F (24.7°C).Temperature
August is North Bonneville's warmest month, registering average high temperatures of 76.5°F (24.7°C) and lows of 48.7°F (9.3°C).Humidity
July and August, with an average relative humidity of 67%, are the least humid months.Rainfall
In August, in North Bonneville, the rain falls for 4.8 days. Throughout August, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 158.4 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
In North Bonneville, Washington, snow does not fall in April through October.Daylight
In August, the average length of the day is 14h and 4min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:35 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:46 pm PDT.
Sunshine
July and August, with an average of 10.9h of sunshine, are months with the most sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in August converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. The intensity of the Sun's UV radiation during midday suggests reducing time spent 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
North Bonneville, WA
- Average high temperature in August: 76.5°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in August: 48.7°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (28.2°F).
Average pressure in August
North Bonneville, WA
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in August
North Bonneville, WA
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
North Bonneville, WA
- Average humidity in August: 67%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (67%).
Average rainfall in August
North Bonneville, WA
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is January (5.35").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in August
North Bonneville, WA
- Average rainfall days in August: 4.8 days
The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is July (4.4 days).
Average snowfall in August
North Bonneville, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
North Bonneville, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.8 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
North Bonneville, WA
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 10h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in August
North Bonneville, WA
- Average sunshine days in August: 23.9 days
The month with the most sunshine days is July (24.5 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in August
North Bonneville, WA
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
North Bonneville, WA
- Average cloud cover in August: 26
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in August
North Bonneville, WA
- Average visibility in August: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
