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
With the start of July, the average high-temperature marginally shifts from June's pleasant 70°F (21.1°C) to a warm 77.2°F (25.1°C). Despite a noticeable differential from daytime highs, Vashon notes an average nighttime low-temperature of 52.5°F (11.4°C) in July.Humidity
The least humid month is July, with an average relative humidity of 68%.Rainfall
July is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.31" (8mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In July, the average length of the day is 15h and 30min.On the first day of July, sunrise is at 5:17 am and sunset at 9:10 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:44 pm PDT.
Sunshine
In July, the average sunshine is 10.5h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 in July interprets into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are July temperatures?
What is the least humid month?
What is the average humidity in July?
What is the driest month?
How much does it rain in July?
When it does not snow?
How many hours of daylight does Vashon have in July?
When is the sunrise / sunset in July in Vashon?
How long on average sun shines in July?
What is the month with the highest UV index?
How high is the UV index in July?
Average temperature in July
Vashon, WA
- Average high temperature in July: 77.2°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 July: 52.5°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 July
Vashon, WA
- Average pressure in July: 30.03"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 July
Vashon, WA
- Average wind speed in July: 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 July
Vashon, WA
- Average humidity in July: 68%
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 July
Vashon, WA
- Average rainfall in July: 0.31"
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 July
Vashon, WA
- Average rainfall days in July: 6.3 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 July
Vashon, WA
- Average snowfall in July: 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 July
Vashon, WA
- Average snowfall days in July: 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 July /
Average sunshine in July
Vashon, 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 month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in July
Vashon, WA
- Average sunshine days in July: 22.6 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 July
Vashon, WA
- Average UV index in July: 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 July
Vashon, WA
- Average cloud cover in July: 28
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 July
Vashon, WA
- Average visibility in July: 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
Weather forecast for your location
2. Allow the app to use your location