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
August temperatures tend to peak at an average high of 77.7°F (25.4°C) and dip to a low of 53.6°F (12°C).Humidity
The average relative humidity in August in Vashon, Washington, is 69%.Rainfall
In Vashon, during August, the rain falls for 5.7 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, in Vashon, there are 138.2 rainfall days, and 14.09" (358mm) of precipitation is accumulated.Snowfall
In Vashon, snow does not fall in April through October.Daylight
The average length of the day in August is 14h and 11min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:43 pm. On the last day of August, in Vashon, sunrise is at 6:28 am and sunset at 7:51 pm PDT.
Sunshine
With an average of 10.7h of sunshine, August has the most sunshine of the year in Vashon, Washington.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index in Vashon. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during August translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What are the warmest months in Vashon?
What are the temperatures in Vashon in August?
What is the average humidity in August in Vashon?
How many days does it rain in August in Vashon?
When it does not snow in Vashon?
How many hours of daylight does Vashon have in August?
What time are sunrise and sunset in August in Vashon?
What month has the most sunshine in Vashon?
How many hours of sunshine does Vashon have in August?
When is the highest UV index in Vashon?
What is the UV index reading in August in Vashon?
Average temperature in August
Vashon, WA
- Average high temperature in August: 77.7°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in August: 53.6°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in August
Vashon, WA
- Average pressure in August: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in August
Vashon, WA
- Average wind speed in August: 3.6mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.6mph).
Average humidity in August
Vashon, WA
- Average humidity in August: 69%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (68%).
Average rainfall in August
Vashon, WA
- Average rainfall in August: 0.47"
The wettest month (with the highest rainfall) is December (2.2").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in August
Vashon, WA
- Average rainfall days in August: 5.7 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in August
Vashon, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in August
Vashon, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.4 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
Vashon, WA
- Average daylight in August: 14h and 1min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in August
Vashon, WA
- Average sunshine days in August: 22.8 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in August
Vashon, WA
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Vashon, WA
- Average cloud cover in August: 26
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in August
Vashon, WA
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
Vashon, Washington, USA
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