Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Greenbank's temperatures tend to reach their peak averages in August, with a high of 67.3°F (19.6°C) and a low of 55.9°F (13.3°C).Humidity
In August, the average relative humidity is 77%.Rainfall
In Greenbank, during August, the rain falls for 6.9 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Greenbank, Washington, during the entire year, the rain falls for 183.3 days and collects up to 23.03" (585mm) of precipitation.Snowfall
In Greenbank, snow does not fall in May through October.Daylight
The average length of the day in August is 14h and 14min.On the first day of August, sunrise is at 5:47 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:52 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.9h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during August, leads to the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months?
What is the average August temperature?
What is the average humidity in August in Greenbank?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Greenbank have in August?
What time are sunrise and sunset in August in Greenbank?
What is the month with the most sunshine?
How many hours of sunshine does Greenbank have in August?
What is the UV index reading in August?
Average temperature in August
Greenbank, WA
- Average high temperature in August: 67.3°F
The warmest month (with the highest average high temperature) is August (67.3°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in August: 55.9°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (37.9°F).
Average pressure in August
Greenbank, WA
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in August
Greenbank, WA
- Average wind speed in August: 4mph
The windiest month (with the highest average wind speed) is November (8mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in August
Greenbank, WA
- Average humidity in August: 77%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (76%).
Average rainfall in August
Greenbank, WA
- Average rainfall in August: 0.63"
The wettest month (with the highest rainfall) is November (3.19").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
Greenbank, WA
- Average rainfall days in August: 6.9 days
The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in August
Greenbank, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Greenbank, 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
Greenbank, WA
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in August
Greenbank, WA
- Average sunshine days in August: 23 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is February (8 days).
Average UV index in August
Greenbank, 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
Greenbank, WA
- Average cloud cover in August: 22
The months with the most cloud cover are January, February and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in August
Greenbank, 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).
Greenbank, Washington, USA
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