Sedro-Woolley, WA Weather - Forecast & Monthly Averages

TEMPERATURE	46
HUMIDITY	87
PRESSURE	101210
WIND COND.	57

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Weather Quick Facts

The highest monthly average temperature in Sedro-Woolley for August is 60.9 degrees
The lowest monthly average temperature in Sedro-Woolley for December is 38.8 degrees
The most monthly precipitation in Sedro-Woolley occurs in October with 2.9 inches
The air quality index in Sedro-Woolley is 43% better than the national average
The pollution index in Sedro-Woolley is 479% worse than the national average

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Sedro-Woolley 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	45°F	40°F	1.2"
February	37°F	48°F	41°F	2.3"
March	40°F	51°F	45°F	2.5"
April	42°F	56°F	48°F	0.6"
May	46°F	61°F	53°F	1.2"
June	50°F	66°F	57°F	0.9"
July	52°F	71°F	60°F	0.0"
August	52°F	71°F	61°F	0.0"
September	50°F	66°F	57°F	0.5"
October	45°F	57°F	51°F	2.9"
November	40°F	50°F	44°F	2.4"
December	35°F	44°F	39°F	1.4"

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Sedro-Woolley 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	Sedro-Woolley	Washington	National
Air quality index	24	36	42
Pollution index	15,778,900	4,541,850	2,726,193

Sedro-Woolley air quality

Measurement	Total
Days measured	365
Days with good air quality	361
Days with moderate air quality	4
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.270%
Carbon Tetrachloride	0.040%
Lead	0.160%
Mercury	0.003%

Average monthly Sedro-Woolley temperature with heat index

Sedro-Woolley monthly precipitation with daily maximum

Sedro-Woolley monthly snow depth with daily maximum

Sedro-Woolley monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Lake McMurray, WA	478	24	52.0%
Conway, WA	40	24	52.0%
Bay View, WA	666	24	52.0%
Lyman, WA	277	24	52.0%
Edison, WA	264	24	52.0%
Sedro-Woolley, WA	11,919	24	52.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Myrtle Grove, NC	11,921	34	32.0%
Rossmoor, CA	11,923	72	44.0%
Healdsburg, CA	11,924	34	32.0%
Lake Los Angeles, CA	11,926	72	44.0%
Clawson, MI	11,909	56	12.0%
Sedro-Woolley, WA	11,919	24	52.0%

Source: The Sedro-Woolley, 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.