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Snoqualmie Pass CDP, Washington

Official LSAD Designation: Snoqualmie Pass CDP • Census GEOID: 5365275 • Kittitas County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Snoqualmie Pass CDP.

Reference Weather Station: STAMPEDE PASS, WA US (ID: USW00024237) • Located 9.3 miles from community center • Elevation: 1,206.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 32.4° 24.8° 28.6° 11.71"
February 34.7° 26.0° 30.4° 7.92"
March 40.2° 29.0° 34.6° 8.84"
April 45.7° 32.7° 39.2° 6.46"
May 53.4° 38.4° 45.9° 4.65"
June 59.6° 43.3° 51.5° 3.30"
July 68.2° 49.6° 58.9° 1.29"
August 69.0° 51.0° 60.0° 1.56"
September 62.7° 46.7° 54.7° 3.95"
October 49.3° 37.8° 43.6° 9.00"
November 37.8° 29.5° 33.7° 13.71"
December 31.9° 24.3° 28.1° 12.60"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station STAMPEDE PASS, WA US (ID: USW00024237) • 9.3 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at STAMPEDE PASS, WA US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 33.0 37.8 42.5 47.3 52.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2020: Annual mean 43.2°F 2021: Annual mean 42.2°F 2025: Annual mean 43.1°F 2020: Annual mean of daily highs 49.3°F 2021: Annual mean of daily highs 48.5°F 2025: Annual mean of daily highs 49.5°F 2018: Annual mean of daily lows 36.8°F 2020: Annual mean of daily lows 37.0°F 2021: Annual mean of daily lows 35.9°F 2025: Annual mean of daily lows 36.8°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 Unavailable Unavailable Unavailable
2011 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable 36.8
2019 Unavailable Unavailable Unavailable
2020 43.2 49.3 37.0
2021 42.2 48.5 35.9
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 43.1 49.5 36.8
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.