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
Temperature records mark August as the warmest month, with highs averaging 69.4°F (20.8°C) and lows at 52°F (11.1°C).Humidity
In Grayland, the average relative humidity in August is 81%.Rainfall
In August, the rain falls for 6.7 days. Throughout August, 0.75" (19mm) of precipitation is accumulated. In Grayland, during the entire year, the rain falls for 186.2 days and collects up to 48.78" (1239mm) of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
In August, the average length of the day is 14h and 8min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:47 pm. On the last day of August, in Grayland, sunrise is at 6:35 am and sunset at 7:56 pm PDT.
Sunshine
The average sunshine in August is 9.7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. 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: In August, a regular UV index of 4 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
What is the temperature in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How long on average sun shines in August in Grayland?
When is the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Grayland, WA
- Average high temperature in August: 69.4°F
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is December (45.1°F).
- Average low temperature in August: 52°F
The month with the highest average low temperature is August (52°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).
Average pressure in August
Grayland, WA
- Average pressure in August: 30.04"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in August
Grayland, WA
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity in August
Grayland, WA
- Average humidity in August: 81%
The months with the highest relative humidity are November and December (87%).
The month with the lowest relative humidity is July (79%).
Average rainfall in August
Grayland, WA
- Average rainfall in August: 0.75"
The wettest month (with the highest rainfall) is December (7.99").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
Grayland, WA
- Average rainfall days in August: 6.7 days
The month with the highest number of rainy days is March (21.8 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in August
Grayland, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in August
Grayland, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in August /
Average sunshine in August
Grayland, WA
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in August
Grayland, WA
- Average sunshine days in August: 21.4 days
The month with the most sunshine days is August (21.4 days).
The months with the least sunshine days are February and November (8 days).
Average UV index in August
Grayland, WA
- Average UV index in August: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Grayland, WA
- Average cloud cover in August: 39
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in August
Grayland, WA
- Average visibility in August: 4mi
The months with the highest visibility are March and April (6mi).
The month with the lowest visibility is August (4mi).
Grayland, Washington, USA
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