August weather forecastOrcas, WA
August
Weather in August
August, the last month of the summer in Orcas, is another comfortable month, with an average temperature fluctuating between 64.4°F (18°C) and 57.7°F (14.3°C).Temperature
The transition into August shows a subtle variation to a still refreshing 64.4°F (18°C) from July's 64.9°F (18.3°C) in the average high-temperature. Orcas nights in August witness a mild cool down to an average temperature of 57.7°F (14.3°C).Humidity
January, August and September, with an average relative humidity of 79%, are the most humid months in Orcas.Rainfall
In Orcas, in August, during 5.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 167.7 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
In Orcas, snow does not fall in April through October.Daylight
In Orcas, the average length of the day in August is 14h and 17min.On the first day of August, sunrise is at 5:47 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:54 pm PDT.
Sunshine
In August, the average sunshine is 10.8h.UV index
In August, the average daily maximum UV index 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 ordinary individuals.Note: The daily high UV index of 4 during August translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Orcas, WA
- Average high temperature in August: 64.4°F
The warmest month (with the highest average high temperature) is July (64.9°F).
The months with the lowest average high temperature are January, February and December (45.3°F).
- Average low temperature in August: 57.7°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is February (40.5°F).
Average pressure in August
Orcas, WA
- Average pressure in August: 30.02"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in August
Orcas, WA
- Average wind speed in August: 4.9mph
The windiest month (with the highest average wind speed) is November (10.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in August
Orcas, WA
- Average humidity in August: 79%
The months with the highest relative humidity are January, August and September (79%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Orcas, WA
- Average rainfall in August: 0.71"
The wettest month (with the highest rainfall) is November (3.43").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
Orcas, WA
- Average rainfall days in August: 5.3 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in August
Orcas, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Orcas, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.7 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
Orcas, 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 48min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in August
Orcas, WA
- Average sunshine days in August: 24.7 days
The month with the most sunshine days is August (24.7 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in August
Orcas, 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, November and December (UV index 2).
Average cloud cover in August
Orcas, WA
- Average cloud cover in August: 23
The months with the most cloud cover are February and December (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in August
Orcas, WA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





