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
West Lake Sammamish's temperatures peak on average in August, reaching 76.5°F (24.7°C) at their highest and 52.2°F (11.2°C) at their lowest.Humidity
In West Lake Sammamish, the average relative humidity in August is 71%.Rainfall
The months with the least rainfall are July and August Rain falls for 5.2 days and accumulates 0.35" (9mm) of rain.Snowfall
May through October are months without snowfall in West Lake Sammamish.Daylight
In August, the average length of the day is 14h and 12min.On the first day of August in West Lake Sammamish, sunrise is at 5:47 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:50 pm PDT.
Sunshine
The month with the most sunshine is August, with an average of 10.7h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during August leads to these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What month is the hottest in West Lake Sammamish?
What is the average August temperature in West Lake Sammamish?
What is the average humidity in August in West Lake Sammamish?
What is the driest month in West Lake Sammamish?
How much does it rain in West Lake Sammamish in August?
When it does not snow in West Lake Sammamish?
How many hours of daylight does West Lake Sammamish have in August?
When is the sunrise / sunset in August in West Lake Sammamish?
What month has the most sunshine in West Lake Sammamish?
How many hours of sunshine does West Lake Sammamish have in August?
What is the UV index intensity in August in West Lake Sammamish?
Average temperature in August
West Lake Sammamish, WA
- Average high temperature in August: 76.5°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in August: 52.2°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in August
West Lake Sammamish, WA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
West Lake Sammamish, WA
- Average wind speed in August: 3.4mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in August
West Lake Sammamish, WA
- Average humidity in August: 71%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is July (70%).
Average rainfall in August
West Lake Sammamish, WA
- Average rainfall in August: 0.35"
The wettest month (with the highest rainfall) is December (1.85").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in August
West Lake Sammamish, WA
- Average rainfall days in August: 5.2 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in August
West Lake Sammamish, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
West Lake Sammamish, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in August /
Average sunshine in August
West Lake Sammamish, 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 months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in August
West Lake Sammamish, WA
- Average sunshine days in August: 24 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in August
West Lake Sammamish, 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
West Lake Sammamish, WA
- Average cloud cover in August: 26
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in August
West Lake Sammamish, WA
- Average visibility in August: 6mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).
West Lake Sammamish, Washington, USA
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