TODAY JUN22
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 6854Fri20%40%
  • 7253Sat20%
  • 7854Sun20%
  • 6550Mon
  • 6849Tue
daynightWeather update from EB I-90 SR-18 Echo Lake at

Snoqualmie 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
January18°F64°F41°F5.2"
February19°F63°F42°F1.8"
March25°F72°F46°F3.5"
April30°F79°F50°F2.6"
May38°F91°F57°F2.3"
June45°F90°F61°F1.6"
July48°F106°F68°F0.5"
August48°F91°F66°F1.2"
September42°F90°F61°F1.5"
October28°F81°F53°F3.1"
November18°F65°F46°F7.4"
December15°F62°F40°F5.0"

Did you know?

  • The highest monthly average temperature in Snoqualmie for July is 68 degrees.
  • The lowest monthly average temperature in Snoqualmie for December is 40 degrees.
  • The most monthly precipitation in Snoqualmie occurs in November with 7.4 inches.
  • The air quality index in Snoqualmie is 1% better than the national average.
  • The pollution index in Snoqualmie is 755% worse than the national average.

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Compare Snoqualmie, WA Weather To Other Cities

Snoqualmie 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.
IndexSnoqualmieWashingtonNational
Air quality index493650
Pollution index43,367,4008,596,9895,066,862

Snoqualmie 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

Snoqualmie air quality information

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

Average monthly Snoqualmie temperature with heat index

Snoqualmie monthly precipitation with daily maximum

Snoqualmie monthly snow depth with daily maximum

Snoqualmie monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Ames Lake, WA1,506492%
Duvall, WA7,534492%
Fall City, WA1,976492%
Lake Morton-Berrydale, WA10,742492%
North Bend, WA6,475492%
Snoqualmie, WA12,510492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Bainbridge, GA12,4923628%
Camp Pendleton South, CA12,4916122%
Summerfield, MD12,4894118%
Lynnfield, MA12,489476%
Joppatowne, MD12,534468%
Snoqualmie, WA12,510492%
Source: The Snoqualmie, 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.