TODAY OCT20
TEMPERATURE47
HUMIDITY93
PRESSURE30.25
WIND COND.330 4.7
  • 5843Sat
  • 5745Sun
  • 5945Mon
  • 5949Tue
  • 5952Wed
daynightWeather update from Everett Snohomish County at
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Langley Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January36°F46°F41°F3.8"
February37°F49°F42°F2.7"
March39°F52°F45°F4.4"
April42°F57°F48°F2.8"
May47°F64°F54°F2.2"
June51°F68°F58°F1.8"
July55°F74°F63°F0.7"
August56°F75°F63°F0.9"
September53°F69°F59°F2.0"
October47°F59°F52°F3.6"
November40°F51°F45°F5.7"
December35°F44°F39°F4.9"

Did you know?

  • The highest monthly average temperature in Langley for August is 63 degrees.
  • The lowest monthly average temperature in Langley for December is 39 degrees.
  • The most monthly precipitation in Langley occurs in November with 5.7 inches.
  • The air quality index in Langley is 37% better than the national average.
  • The pollution index in Langley is 211% worse than the national average.

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Compare Langley, WA Weather To Other Cities

Langley 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.
IndexLangleyWashingtonNational
Air quality index313650
Pollution index15,778,9008,596,9895,066,862

Langley air quality information

MeasurementTotal
Days measured365
Days with good air quality344
Days with moderate air quality21
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Langley air quality information

PollutantTotal
Arsenic0.010%
Benzene0.270%
Carbon Tetrachloride0.040%
Lead0.160%
Mercury0.003%

Average monthly Langley temperature with heat index

Langley monthly precipitation with daily maximum

Langley monthly snow depth with daily maximum

Langley monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bryant, WA2,0013138%
Cavalero, WA5,1193138%
Freeland, WA1,6423138%
Lake Goodwin, WA3,6403138%
North Marysville, WA1383138%
Langley, WA1,3003138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Manhattan, MT1,3002452%
Buffalo, WV1,3003432%
Dunes City, OR1,2991080%
Farmersburg, IN1,30150= 100
Minerva Park, OH1,2994314%
Langley, WA1,3003138%
Source: The Langley, 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.