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Napavine city, Washington

Official LSAD Designation: Napavine city • Census GEOID: 5347980 • Lewis County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Napavine city.

Reference Weather Station: CENTRALIA, WA US (ID: USC00451276) • Located 9.5 miles from community center • Elevation: 56.4 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 46.1° 34.2° 40.2° 5.85"
February 49.5° 33.9° 41.7° 4.24"
March 54.1° 35.9° 45.0° 4.39"
April 59.5° 39.1° 49.3° 3.24"
May 66.6° 44.4° 55.5° 2.44"
June 71.1° 49.1° 60.1° 1.53"
July 77.5° 52.9° 65.2° 0.50"
August 78.2° 52.8° 65.5° 0.84"
September 72.6° 48.4° 60.5° 1.59"
October 61.1° 42.7° 51.9° 4.00"
November 50.7° 37.1° 43.9° 6.53"
December 45.0° 33.9° 39.4° 6.44"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station CENTRALIA, WA US (ID: USC00451276) • 9.5 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 CENTRALIA, 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. 39.0 45.5 52.0 58.5 65.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 53.0°F 2011: Annual mean 49.7°F 2013: Annual mean 50.4°F 2014: Annual mean 52.3°F 2015: Annual mean 53.2°F 2016: Annual mean 52.4°F 2017: Annual mean 51.0°F 2018: Annual mean 52.4°F 2019: Annual mean 51.2°F 2020: Annual mean 52.1°F 2010: Annual mean of daily highs 62.2°F 2011: Annual mean of daily highs 57.9°F 2013: Annual mean of daily highs 58.4°F 2014: Annual mean of daily highs 61.1°F 2015: Annual mean of daily highs 62.8°F 2016: Annual mean of daily highs 61.3°F 2017: Annual mean of daily highs 60.3°F 2018: Annual mean of daily highs 61.5°F 2019: Annual mean of daily highs 60.5°F 2020: Annual mean of daily highs 61.4°F 2010: Annual mean of daily lows 43.9°F 2011: Annual mean of daily lows 41.6°F 2013: Annual mean of daily lows 42.4°F 2014: Annual mean of daily lows 43.4°F 2015: Annual mean of daily lows 43.6°F 2016: Annual mean of daily lows 43.6°F 2017: Annual mean of daily lows 41.6°F 2018: Annual mean of daily lows 43.3°F 2019: Annual mean of daily lows 41.9°F 2020: Annual mean of daily lows 42.9°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 53.0 62.2 43.9
2011 49.7 57.9 41.6
2012 Unavailable Unavailable Unavailable
2013 50.4 58.4 42.4
2014 52.3 61.1 43.4
2015 53.2 62.8 43.6
2016 52.4 61.3 43.6
2017 51.0 60.3 41.6
2018 52.4 61.5 43.3
2019 51.2 60.5 41.9
2020 52.1 61.4 42.9
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.