Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
Observing a minor shift, the average high-temperature during July adjusts from June's pleasant 69.3°F (20.7°C) to a moderately hot 76.1°F (24.5°C). During July, the nighttime temperature in West Lake Sammamish, Washington, presents a clear descent from the daily peaks, falling to an average of 50.7°F (10.4°C).Humidity
July is the least humid month, with an average relative humidity of 70%.Rainfall
The months with the least rainfall in West Lake Sammamish are July and August Rain falls for 6.7 days and accumulates 0.35" (9mm) of rain.Snowfall
May through October are months without snowfall in West Lake Sammamish.Daylight
In West Lake Sammamish, the average length of the day in July is 15h and 31min.On the first day of July in West Lake Sammamish, Washington, sunrise is at 5:15 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:43 pm PDT.
Sunshine
In West Lake Sammamish, the average sunshine in July is 10.5h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: During July, 5 as the daily maximum UV index converts into the following advice:
Undertake precautions - Guarding against sun damage is counselled. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the average July temperature in West Lake Sammamish?
What is the least humid month in West Lake Sammamish?
What is the average humidity in July in West Lake Sammamish?
What is the driest month in West Lake Sammamish?
How much does it rain in West Lake Sammamish in July?
When it does not snow in West Lake Sammamish?
What is the average length of the day in July in West Lake Sammamish?
What time are sunrise and sunset in July in West Lake Sammamish?
How long on average sun shines in July in West Lake Sammamish?
What is the month with the highest UV index in West Lake Sammamish?
What is the UV index intensity in July in West Lake Sammamish?
Average temperature in July
West Lake Sammamish, WA
- Average high temperature in July: 76.1°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 July: 50.7°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 July
West Lake Sammamish, WA
- Average pressure in July: 30.03"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 July
West Lake Sammamish, WA
- Average wind speed in July: 3.5mph
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 July
West Lake Sammamish, WA
- Average humidity in July: 70%
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 July
West Lake Sammamish, WA
- Average rainfall in July: 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 July
West Lake Sammamish, WA
- Average rainfall days in July: 6.7 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 July
West Lake Sammamish, WA
- Average snowfall in July: 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 July
West Lake Sammamish, WA
- Average snowfall days in July: 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 July /
Average sunshine in July
West Lake Sammamish, WA
- Average daylight in July: 15h and 3min
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 July: 10h and 3min
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 July
West Lake Sammamish, WA
- Average sunshine days in July: 22.3 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 July
West Lake Sammamish, WA
- Average UV index in July: 5
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 July
West Lake Sammamish, WA
- Average cloud cover in July: 28
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 July
West Lake Sammamish, WA
- Average visibility in July: 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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