August weather forecastSedro-Woolley, WA
August
Weather in August
The last month of the summer, August, is another pleasant month in Sedro-Woolley, Washington, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 50.5°F (10.3°C).Temperature
Sedro-Woolley experiences an average high-temperature of a still agreeable 70.7°F (21.5°C) with the onset of August, subtly varied from July's 70.9°F (21.6°C). In Sedro-Woolley, in August, the average low-temperature is a fresh 50.5°F (10.3°C).Humidity
In August, the average relative humidity is 76%.Rainfall
In Sedro-Woolley, in August, it is raining for 9.4 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, there are 203.2 rainfall days, and 49.72" (1263mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Sedro-Woolley, Washington, the average length of the day in August is 14h and 17min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:45 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:51 pm PDT.
Sunshine
With an average of 10.3h of sunshine, August has the most sunshine of the year in Sedro-Woolley.UV index
In Sedro-Woolley, Washington, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the maximum UV index of 4 suggests these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sedro-Woolley, WA
- Average high temperature in August: 70.7°F
The warmest month (with the highest average high temperature) is July (70.9°F).
The month with the lowest average high temperature is December (40.5°F).
- Average low temperature in August: 50.5°F
The month with the highest average low temperature is August (50.5°F).
The coldest months (with the lowest average low temperature) are February and December (32.5°F).
Average pressure in August
Sedro-Woolley, WA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
Sedro-Woolley, WA
- Average wind speed in August: 3.3mph
The windiest month (with the highest average wind speed) is November (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in August
Sedro-Woolley, WA
- Average humidity in August: 76%
The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is July (75%).
Average rainfall in August
Sedro-Woolley, WA
- Average rainfall in August: 1.14"
The wettest month (with the highest rainfall) is November (7.09").
The driest month (with the least rainfall) is July (0.98").
Average rainfall days in August
Sedro-Woolley, WA
- Average rainfall days in August: 9.4 days
The month with the highest number of rainy days is March (22.1 days).
The month with the least rainy days is August (9.4 days).
Average snowfall in August
Sedro-Woolley, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Sedro-Woolley, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.3 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
Sedro-Woolley, WA
- Average daylight in August: 14h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in August
Sedro-Woolley, WA
- Average sunshine days in August: 19.2 days
The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is March (7.3 days).
Average UV index in August
Sedro-Woolley, 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, March, October, November and December (UV index 2).
Average cloud cover in August
Sedro-Woolley, WA
- Average cloud cover in August: 28
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Sedro-Woolley, WA
- Average visibility in August: 6mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).
