August weather forecastLeavenworth, WA
August
Weather in August
August continues the trend of July's arid conditions with a slight increase in rainfall levels up to 0.51" (13mm). Sporting the highest recorded temperature in conjunction with last's month's heatwave, August tops at 77.5°F (25.3°C). A high-pressure system leads to clear skies marked by high visibility and long sunlight hours. Despite occasional periods of gusty winds, it rarely breeds discomfort during this summer month. Famed as the pinnacle of Leavenworth's summer atmosphere, August enthralls with its bright and sunny disposition.Temperature
August, on average, is the warmest month, registering a high temperature of 77.5°F (25.3°C) and a low of 49.6°F (9.8°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 56%.Rainfall
In Leavenworth, in August, it is raining for 6.3 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 159.9 rainfall days, and 25.63" (651mm) of precipitation is accumulated.Snowfall
In Leavenworth, snow does not fall in June through August.Daylight
In August, the average length of the day is 14h and 12min.On the first day of the month, sunrise is at 5:41 am and sunset at 8:36 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:44 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 11.9h of sunshine.UV index
In Leavenworth, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 during August translates into the following guidance:
Guard yourself - Precautionary measures against sun damage are advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Leavenworth, WA
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (30.6°F).
- Average low temperature in August: 49.6°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in August
Leavenworth, WA
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in August
Leavenworth, WA
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in August
Leavenworth, WA
- Average humidity in August: 56%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in August
Leavenworth, WA
- Average rainfall in August: 0.51"
The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
Leavenworth, WA
- Average rainfall days in August: 6.3 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in August
Leavenworth, WA
- Average snowfall in August: 0"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Leavenworth, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (17 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Leavenworth, 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: 11h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Leavenworth, 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 February (6.8 days).
Average UV index in August
Leavenworth, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in August
Leavenworth, WA
- Average cloud cover in August: 15
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in August
Leavenworth, 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 (4mi).
