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West Dummerston CDP, Vermont

Official LSAD Designation: West Dummerston CDP • Census GEOID: 5079750 • Windham County

Climate Normals & Weather Observations

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

Reference Weather Station: WALPOLE 2S NEPP, NH US (ID: USC00278856) • Located 11.6 miles from community center • Elevation: 184.1 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 30.9° 12.5° 21.7° 3.17"
February 33.2° 13.5° 23.4° 2.98"
March 42.4° 21.3° 31.9° 3.59"
April 55.5° 33.4° 44.5° 3.79"
May 66.9° 43.8° 55.4° 3.44"
June 75.3° 53.3° 64.3° 5.07"
July 80.7° 58.2° 69.5° 4.83"
August 79.3° 56.4° 67.9° 4.17"
September 72.1° 48.7° 60.4° 3.96"
October 59.6° 37.5° 48.6° 4.56"
November 46.6° 28.4° 37.5° 3.63"
December 36.1° 19.3° 27.7° 3.82"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station WALPOLE 2S NEPP, NH US (ID: USC00278856) • 11.6 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 WALPOLE 2S NEPP, NH 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 40.3 47.5 54.8 62.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2017: Annual mean 47.0°F 2018: Annual mean 46.7°F 2020: Annual mean 48.2°F 2022: Annual mean 47.5°F 2023: Annual mean 48.8°F 2024: Annual mean 49.0°F 2025: Annual mean 46.6°F 2017: Annual mean of daily highs 57.1°F 2018: Annual mean of daily highs 56.4°F 2020: Annual mean of daily highs 58.7°F 2022: Annual mean of daily highs 58.5°F 2023: Annual mean of daily highs 58.7°F 2024: Annual mean of daily highs 59.3°F 2025: Annual mean of daily highs 57.5°F 2017: Annual mean of daily lows 36.9°F 2018: Annual mean of daily lows 36.9°F 2020: Annual mean of daily lows 37.7°F 2022: Annual mean of daily lows 36.4°F 2023: Annual mean of daily lows 38.9°F 2024: Annual mean of daily lows 38.8°F 2025: Annual mean of daily lows 35.7°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 47.0 57.1 36.9
2018 46.7 56.4 36.9
2019 Unavailable Unavailable Unavailable
2020 48.2 58.7 37.7
2021 Unavailable Unavailable Unavailable
2022 47.5 58.5 36.4
2023 48.8 58.7 38.9
2024 49.0 59.3 38.8
2025 46.6 57.5 35.7
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.