August weather forecastMaple Valley, WA
August
Weather in August
The last month of the summer, August, is another warm month in Maple Valley, Washington, with an average temperature fluctuating between 50.2°F (10.1°C) and 75.4°F (24.1°C).Temperature
The average temperatures reach their apex in August, averaging 75.4°F (24.1°C) at the high end and 50.2°F (10.1°C) at the low end.Humidity
In Maple Valley, the average relative humidity in August is 71%.Rainfall
In Maple Valley, in August, during 6.7 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 182.4 rainfall days, and 36.77" (934mm) of precipitation is accumulated.Snowfall
In Maple Valley, snow does not fall in May through October.Daylight
In Maple Valley, the average length of the day in August is 14h and 11min.On the first day of August, sunrise is at 5:47 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:49 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 10.7h of sunshine.UV index
In Maple Valley, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 in August translates into this advice:
Adopt protective measures - It is advised to guard against sun damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Maple Valley, WA
- Average high temperature in August: 75.4°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (40.8°F).
- Average low temperature in August: 50.2°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is February (31.6°F).
Average pressure in August
Maple Valley, WA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30"Hg).
Average wind speed in August
Maple Valley, WA
- Average wind speed in August: 3.5mph
The windiest month (with the highest average wind speed) is January (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in August
Maple Valley, WA
- Average humidity in August: 71%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is July (70%).
Average rainfall in August
Maple Valley, WA
- Average rainfall in August: 0.71"
The wettest month (with the highest rainfall) is December (5.43").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in August
Maple Valley, WA
- Average rainfall days in August: 6.7 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in August
Maple Valley, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Maple Valley, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in August /
Average sunshine in August
Maple Valley, 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 6min).
Average sunshine days in August
Maple Valley, 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 (8.4 days).
Average UV index in August
Maple Valley, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in August
Maple Valley, WA
- Average cloud cover in August: 27
The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Maple Valley, 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).
