August weather forecastRollingbay, WA
August
Weather in August
August, the last month of the summer in Rollingbay, is also a moderately hot month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 55°F (12.8°C).Temperature
Rollingbay's August weather, with an average high temperature of 75.4°F (24.1°C) and an average low temperature of 55°F (12.8°C), tends to be the warmest of the year.Humidity
July and August, with an average relative humidity of 71%, are the least humid months.Rainfall
In Rollingbay, in August, during 5.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 172.2 rainfall days, and 23.7" (602mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Rollingbay, the average length of the day in August is 14h and 13min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:44 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:51 pm PDT.
Sunshine
With an average of 10.6h of sunshine, August has the most sunshine of the year.UV index
In Rollingbay, the average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In August, the maximum UV index of 4 transforms into these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rollingbay, 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 (43.5°F).
- Average low temperature in August: 55°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (36.3°F).
Average pressure in August
Rollingbay, WA
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in August
Rollingbay, WA
- Average wind speed in August: 3.7mph
The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest months (with the lowest average wind speed) are July and August (3.7mph).
Average humidity in August
Rollingbay, WA
- Average humidity in August: 71%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in August
Rollingbay, WA
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in August
Rollingbay, WA
- Average rainfall days in August: 5.9 days
The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in August
Rollingbay, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Rollingbay, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.1 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
Rollingbay, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in August
Rollingbay, WA
- Average sunshine days in August: 22.9 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in August
Rollingbay, WA
- Average UV index in August: 4
The months with the highest UV index are June and 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
Rollingbay, WA
- Average cloud cover in August: 26
The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in August
Rollingbay, WA
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





