August weather forecastGreenwater, WA
August
Weather in August
The last month of the summer, August, is a moderately hot month in Greenwater, Washington, with an average temperature ranging between max 73.9°F (23.3°C) and min 48.9°F (9.4°C).Temperature
In Greenwater, the peak temperatures are generally noted in August, averaging a high of 73.9°F (23.3°C) and a low of 48.9°F (9.4°C).Humidity
In Greenwater, the average relative humidity in August is 71%.Rainfall
In Greenwater, during August, the rain falls for 6.8 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 181.2 rainfall days, and 38.82" (986mm) of precipitation is accumulated.Snowfall
In Greenwater, snow does not fall in May through October.Daylight
In August, the average length of the day is 14h and 10min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:39 pm. On the last day of August, sunrise is at 6:25 am and sunset at 7:47 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 10.7h of sunshine.UV index
The average daily maximum UV index in August in Greenwater is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 4 in August leads to these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Greenwater, WA
- Average high temperature in August: 73.9°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (39.9°F).
- Average low temperature in August: 48.9°F
The month with the highest average low temperature is August (48.9°F).
The coldest month (with the lowest average low temperature) is December (30.2°F).
Average pressure in August
Greenwater, WA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in August
Greenwater, WA
- Average wind speed in August: 3.6mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in August
Greenwater, WA
- Average humidity in August: 71%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in August
Greenwater, WA
- Average rainfall in August: 0.71"
The wettest month (with the highest rainfall) is January (5.71").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in August
Greenwater, WA
- Average rainfall days in August: 6.8 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in August
Greenwater, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Greenwater, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in August /
Average sunshine in August
Greenwater, 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 36min).
- Average sunshine in August: 10h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in August
Greenwater, WA
- Average sunshine days in August: 22.1 days
The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in August
Greenwater, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in August
Greenwater, WA
- Average cloud cover in August: 27
The month with the most cloud cover is March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Greenwater, WA
- Average visibility in August: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
