August weather forecastNine Mile Falls, WA
August
Weather in August
August, the last month of the summer in Nine Mile Falls, is also a moderately hot month, with an average temperature ranging between min 59°F (15°C) and max 83.7°F (28.7°C).Temperature
Nine Mile Falls's peak temperatures tend to occur in July and August, with an average high-temperature of 83.7°F (28.7°C).Humidity
August is the least humid month in Nine Mile Falls, with an average relative humidity of 38%.Rainfall
The month with the least rainfall is August, when the rain falls for 5.8 days and typically collects 0.35" (9mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
In August, the average length of the day in Nine Mile Falls is 14h and 13min.On the first day of August, sunrise is at 5:28 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:32 pm PDT.
Sunshine
With an average of 12h of sunshine, August has the most sunshine of the year.UV index
In Nine Mile Falls, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Nine Mile Falls, WA
- Average high temperature in August: 83.7°F
The warmest months (with the highest average high temperature) are July and August (83.7°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in August: 59°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in August
Nine Mile Falls, WA
- Average pressure in August: 29.9"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in August
Nine Mile Falls, WA
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in August
Nine Mile Falls, WA
- Average humidity in August: 38%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (38%).
Average rainfall in August
Nine Mile Falls, WA
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is March (2.13").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in August
Nine Mile Falls, WA
- Average rainfall days in August: 5.8 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is July (4.9 days).
Average snowfall in August
Nine Mile Falls, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (10.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Nine Mile Falls, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Nine Mile Falls, 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: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in August
Nine Mile Falls, WA
- Average sunshine days in August: 22.3 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in August
Nine Mile Falls, WA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in August
Nine Mile Falls, WA
- Average cloud cover in August: 13
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in August
Nine Mile Falls, WA
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).





