Vashon, WA Weather - Forecast & Monthly Averages

TEMPERATURE	46
HUMIDITY	82
PRESSURE	101760
WIND COND.	180 13

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Weather Quick Facts

The highest monthly average temperature in Vashon for August is 66.5 degrees
The lowest monthly average temperature in Vashon for December is 40.6 degrees
The most monthly precipitation in Vashon occurs in November with 7.1 inches
The air quality index in Vashon is 7% worse than the national average
The pollution index in Vashon is 60% better than the national average

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Vashon Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	35°F	48°F	42°F	5.6"
February	37°F	51°F	43°F	3.7"
March	39°F	55°F	46°F	5.1"
April	42°F	60°F	50°F	3.2"
May	47°F	68°F	56°F	2.2"
June	52°F	72°F	61°F	1.5"
July	56°F	80°F	66°F	0.6"
August	56°F	80°F	66°F	1.1"
September	53°F	73°F	61°F	1.9"
October	46°F	62°F	53°F	4.5"
November	40°F	53°F	46°F	7.1"
December	35°F	47°F	41°F	6.1"

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Vashon air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Vashon	Washington	National
Air quality index	45	36	42
Pollution index	1,081,430	4,541,850	2,726,193

Vashon air quality

Measurement	Total
Days measured	365
Days with good air quality	236
Days with moderate air quality	127
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Vashon temperature with heat index

Vashon monthly precipitation with daily maximum

Vashon monthly snow depth with daily maximum

Vashon monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Enetai, WA	1,993	18	64.0%
Bremerton, WA	41,258	18	64.0%
Navy Yard City, WA	2,973	18	64.0%
Tracyton, WA	5,494	18	64.0%
Ruston, WA	1,329	18	64.0%
Vashon, WA	10,400	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Cambridge, OH	10,398	39	22.0%
Quartz Hill, CA	10,405	72	44.0%
Fort Madison, IA	10,407	29	42.0%
Cavan Monaghan, ON	10,407	n/a
Cape Canaveral, FL	10,411	36	28.0%
Vashon, WA	10,400	45	10.0%

Source: The Vashon, WA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.