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Duvall Average Weather

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
January35°F45°F40°F2.5"
February36°F50°F42°F2.8"
March41°F55°F47°F3.5"
April43°F58°F49°F3.5"
May48°F65°F55°F3.0"
June51°F66°F57°F2.2"
July55°F74°F63°F2.0"
August55°F74°F62°F1.7"
September50°F66°F57°F2.8"
October46°F59°F51°F3.4"
November38°F48°F43°F4.8"
December35°F45°F39°F8.6"

Did you know?

  • The highest monthly average temperature in Duvall for July is 63 degrees.
  • The lowest monthly average temperature in Duvall for December is 39 degrees.
  • The most monthly precipitation in Duvall occurs in December with 8.6 inches.
  • The air quality index in Duvall is 1% better than the national average.
  • The pollution index in Duvall is 755% worse than the national average.

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Compare Duvall, WA Weather To Other Cities

Duvall 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.
IndexDuvallWashingtonNational
Air quality index493650
Pollution index43,367,4008,596,9895,066,862

Duvall air quality information

MeasurementTotal
Days measured365
Days with good air quality195
Days with moderate air quality162
Days w/ poor A.Q. for sensitive groups8
Days with unhealthy air quality

Duvall air quality information

PollutantTotal
Arsenic0.020%
Benzene0.790%
Carbon Tetrachloride0.120%
Lead0.210%
Mercury0.180%

Average monthly Duvall temperature with heat index

Duvall monthly precipitation with daily maximum

Duvall monthly snow depth with daily maximum

Duvall monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
North Sultan, WA244492%
Snohomish, WA9,551492%
Union Hill-Novelty Hill, WA22,015492%
Ames Lake, WA1,506492%
Bothell East, WA10,064492%
Duvall, WA7,534492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
New Prague, MN7,5344412%
Iron Mountain, MI7,5354020%
Winsted, CT7,5353922%
Page, AZ7,5324118%
Fanwood, NJ7,530536%
Duvall, WA7,534492%
Source: The Duvall, 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.