TODAY JUL16
TEMPERATURE91
HUMIDITY27
PRESSURE29.91
WIND COND.310 12.8
  • 8960Mon
  • 8559Tue
  • 8058Wed
  • 7956Thu
  • 7957Fri
daynightWeather update from Renton, Renton Municipal Airport at

West Lake Sammamish 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
January25°F57°F42°Fn/a
February29°F59°F44°Fn/a
March31°F64°F46°Fn/a
April36°F77°F50°Fn/a
May43°F87°F56°Fn/a
June47°F87°F59°Fn/a
July53°F91°F64°Fn/a
August53°F84°F63°Fn/a
September46°F85°F60°Fn/a
October36°F73°F54°Fn/a
November32°F64°F48°Fn/a
December22°F62°F42°Fn/a

Did you know?

  • The highest monthly average temperature in West Lake Sammamish for July is 64 degrees.
  • The lowest monthly average temperature in West Lake Sammamish for December is 42 degrees.
  • The most monthly precipitation in West Lake Sammamish occurs in January with 0 inches.
  • The air quality index in West Lake Sammamish is 1% better than the national average.
  • The pollution index in West Lake Sammamish is 78% better than the national average.

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Compare Bellevue, WA Weather To Other Cities

West Lake Sammamish 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.
IndexWest Lake SammamishBellevueWashington
Air quality index494936
Pollution index1,081,4301,081,4308,596,989

West Lake Sammamish 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

West Lake Sammamish air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly West Lake Sammamish temperature with heat index

West Lake Sammamish monthly precipitation with daily maximum

West Lake Sammamish monthly snow depth with daily maximum

West Lake Sammamish monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Mercer Island, WA24,467492%
Normandy Park, WA6,598492%
SeaTac, WA28,298492%
Snoqualmie, WA12,510492%
Woodinville, WA11,549492%
Bellevue, WA136,718492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Hampton, VA136,7893922%
Warren, MI135,069524%
McAllen, TX138,4753628%
Killeen, TX138,7453628%
West Valley City, UT134,609476%
Bellevue, WA136,718492%
Source: The West Lake Sammamish, Bellevue, 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.