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Terryville CDP, Connecticut

Official LSAD Designation: Terryville CDP • Census GEOID: 0975240 • Naugatuck Valley Planning Region

Climate Normals & Weather Observations

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

Reference Weather Station: BURLINGTON, CT US (ID: USC00060973) • Located 9.0 miles from community center • Elevation: 153.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 36.3° 17.0° 26.6° 3.65"
February 39.1° 18.3° 28.7° 3.36"
March 46.6° 25.9° 36.3° 4.22"
April 59.5° 36.1° 47.8° 4.28"
May 70.4° 46.8° 58.6° 4.19"
June 78.5° 56.6° 67.6° 4.83"
July 83.7° 62.1° 72.9° 4.44"
August 82.0° 60.2° 71.1° 5.14"
September 75.3° 52.5° 63.9° 5.01"
October 63.3° 40.8° 52.0° 5.66"
November 52.1° 32.2° 42.2° 3.87"
December 41.4° 24.0° 32.7° 4.81"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BURLINGTON, CT US (ID: USC00060973) • 9.0 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 BURLINGTON, CT 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 41.5 50.0 58.5 67.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 51.5°F 2011: Annual mean 51.2°F 2012: Annual mean 52.8°F 2013: Annual mean 49.7°F 2014: Annual mean 48.5°F 2015: Annual mean 49.7°F 2016: Annual mean 51.7°F 2017: Annual mean 50.7°F 2018: Annual mean 49.7°F 2019: Annual mean 48.0°F 2022: Annual mean 50.9°F 2024: Annual mean 52.6°F 2025: Annual mean 51.0°F 2010: Annual mean of daily highs 61.9°F 2011: Annual mean of daily highs 62.0°F 2012: Annual mean of daily highs 63.4°F 2013: Annual mean of daily highs 60.4°F 2014: Annual mean of daily highs 59.4°F 2015: Annual mean of daily highs 61.0°F 2016: Annual mean of daily highs 63.1°F 2017: Annual mean of daily highs 61.3°F 2018: Annual mean of daily highs 60.5°F 2019: Annual mean of daily highs 60.0°F 2022: Annual mean of daily highs 62.5°F 2024: Annual mean of daily highs 63.2°F 2025: Annual mean of daily highs 61.1°F 2010: Annual mean of daily lows 41.0°F 2011: Annual mean of daily lows 40.5°F 2012: Annual mean of daily lows 42.2°F 2013: Annual mean of daily lows 39.1°F 2014: Annual mean of daily lows 37.7°F 2015: Annual mean of daily lows 38.4°F 2016: Annual mean of daily lows 40.3°F 2017: Annual mean of daily lows 40.1°F 2018: Annual mean of daily lows 38.9°F 2019: Annual mean of daily lows 35.9°F 2022: Annual mean of daily lows 39.4°F 2024: Annual mean of daily lows 42.1°F 2025: Annual mean of daily lows 40.9°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 51.5 61.9 41.0
2011 51.2 62.0 40.5
2012 52.8 63.4 42.2
2013 49.7 60.4 39.1
2014 48.5 59.4 37.7
2015 49.7 61.0 38.4
2016 51.7 63.1 40.3
2017 50.7 61.3 40.1
2018 49.7 60.5 38.9
2019 48.0 60.0 35.9
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 50.9 62.5 39.4
2023 Unavailable Unavailable Unavailable
2024 52.6 63.2 42.1
2025 51.0 61.1 40.9
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.