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
The arrival of July in Sammamish, Washington, introduces a minor uplift in high-temperatures, adjusting from an agreeable 69.3°F (20.7°C) in June to a moderately hot 76.1°F (24.5°C). A significant drop from the day's peak to an average low-temperature of 50.7°F (10.4°C) is noted during the nights in July in Sammamish.Humidity
July is the least humid month in Sammamish, with an average relative humidity of 70%.Rainfall
The months with the least rainfall are July and August Rain falls for 6.7 days and accumulates 0.35" (9mm) of rain.Snowfall
In Sammamish, snow does not fall in May through October.Daylight
The average length of the day in July in Sammamish is 15h and 31min.On the first day of the month, sunrise is at 5:14 am and sunset at 9:09 pm. On the last day of July, in Sammamish, sunrise is at 5:45 am and sunset at 8:43 pm PDT.
Sunshine
In July, the average sunshine is 10.5h.UV index
The months with the highest UV index in Sammamish, Washington, are June and July, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In July, the maximum UV index of 5 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are the temperatures in Sammamish in July?
What is the least humid month in Sammamish?
What is the average humidity in July in Sammamish?
What is the driest month in Sammamish?
How much does it rain in Sammamish in July?
When it does not snow in Sammamish?
How many hours of daylight does Sammamish have in July?
When are sunrise and sunset in July in Sammamish?
How long on average sun shines in July in Sammamish?
When is the highest UV index in Sammamish?
How high is the UV index in July in Sammamish?
Average temperature in July
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
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
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
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
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
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
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
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
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
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
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
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
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).
Sammamish, Washington, USA
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