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Winchendon CDP, Massachusetts

Official LSAD Designation: Winchendon CDP • Census GEOID: 2580370 • Worcester County

Climate Normals & Weather Observations

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

Reference Weather Station: BIRCH HILL DAM, MA US (ID: USC00190666) • Located 5.3 miles from community center • Elevation: 260.6 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 32.1° 12.1° 22.1° 3.48"
February 35.3° 12.7° 24.0° 3.21"
March 42.9° 21.0° 32.0° 3.95"
April 56.1° 32.6° 44.3° 3.74"
May 67.9° 43.9° 55.9° 3.59"
June 76.2° 53.4° 64.8° 4.53"
July 81.6° 58.6° 70.1° 4.44"
August 80.0° 56.1° 68.1° 4.25"
September 72.7° 47.5° 60.1° 4.27"
October 59.5° 36.1° 47.8° 4.94"
November 47.6° 27.8° 37.7° 3.85"
December 37.3° 19.6° 28.4° 4.34"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BIRCH HILL DAM, MA US (ID: USC00190666) • 5.3 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 BIRCH HILL DAM, MA 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. 31.0 39.0 47.0 55.0 63.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 46.9°F 2012: Annual mean 49.1°F 2013: Annual mean 46.3°F 2014: Annual mean 45.1°F 2015: Annual mean 45.6°F 2016: Annual mean 47.9°F 2017: Annual mean 47.1°F 2018: Annual mean 47.0°F 2019: Annual mean 46.1°F 2020: Annual mean 48.0°F 2021: Annual mean 49.4°F 2011: Annual mean of daily highs 57.8°F 2012: Annual mean of daily highs 59.9°F 2013: Annual mean of daily highs 57.5°F 2014: Annual mean of daily highs 56.0°F 2015: Annual mean of daily highs 57.6°F 2016: Annual mean of daily highs 59.4°F 2017: Annual mean of daily highs 57.7°F 2018: Annual mean of daily highs 57.1°F 2019: Annual mean of daily highs 56.9°F 2020: Annual mean of daily highs 59.1°F 2021: Annual mean of daily highs 59.5°F 2011: Annual mean of daily lows 36.0°F 2012: Annual mean of daily lows 38.2°F 2013: Annual mean of daily lows 35.1°F 2014: Annual mean of daily lows 34.2°F 2015: Annual mean of daily lows 33.6°F 2016: Annual mean of daily lows 36.4°F 2017: Annual mean of daily lows 36.5°F 2018: Annual mean of daily lows 36.9°F 2019: Annual mean of daily lows 35.2°F 2020: Annual mean of daily lows 36.9°F 2021: Annual mean of daily lows 39.3°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 46.9 57.8 36.0
2012 49.1 59.9 38.2
2013 46.3 57.5 35.1
2014 45.1 56.0 34.2
2015 45.6 57.6 33.6
2016 47.9 59.4 36.4
2017 47.1 57.7 36.5
2018 47.0 57.1 36.9
2019 46.1 56.9 35.2
2020 48.0 59.1 36.9
2021 49.4 59.5 39.3
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.