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Hartland CDP, Maine

Official LSAD Designation: Hartland CDP • Census GEOID: 2331705 • Somerset County

Climate Normals & Weather Observations

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

Reference Weather Station: HARMONY, ME US (ID: USC00173567) • Located 5.6 miles from community center • Elevation: 97.5 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 29.6° 2.9° 16.3° 3.17"
February 32.2° 3.1° 17.7° 2.64"
March 41.3° 14.3° 27.8° 3.37"
April 54.2° 28.3° 41.3° 3.79"
May 67.2° 40.5° 53.9° 3.51"
June 75.7° 50.4° 63.1° 4.39"
July 81.4° 55.6° 68.5° 3.74"
August 80.2° 53.5° 66.9° 3.68"
September 72.8° 45.2° 59.0° 3.62"
October 59.3° 34.6° 46.9° 4.92"
November 46.3° 24.7° 35.5° 3.95"
December 34.8° 12.7° 23.8° 3.86"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station HARMONY, ME US (ID: USC00173567) • 5.6 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 HARMONY, ME 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. 26.0 35.0 44.0 53.0 62.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 44.3°F 2012: Annual mean 46.3°F 2013: Annual mean 42.7°F 2014: Annual mean 41.6°F 2015: Annual mean 42.7°F 2016: Annual mean 45.3°F 2017: Annual mean 44.6°F 2019: Annual mean 42.2°F 2020: Annual mean 45.0°F 2021: Annual mean 45.5°F 2022: Annual mean 44.7°F 2023: Annual mean 46.3°F 2011: Annual mean of daily highs 56.0°F 2012: Annual mean of daily highs 57.8°F 2013: Annual mean of daily highs 54.9°F 2014: Annual mean of daily highs 53.9°F 2015: Annual mean of daily highs 55.1°F 2016: Annual mean of daily highs 57.2°F 2017: Annual mean of daily highs 56.2°F 2019: Annual mean of daily highs 55.2°F 2020: Annual mean of daily highs 57.4°F 2021: Annual mean of daily highs 57.8°F 2022: Annual mean of daily highs 57.9°F 2023: Annual mean of daily highs 58.5°F 2011: Annual mean of daily lows 32.5°F 2012: Annual mean of daily lows 34.7°F 2013: Annual mean of daily lows 30.6°F 2014: Annual mean of daily lows 29.4°F 2015: Annual mean of daily lows 30.4°F 2016: Annual mean of daily lows 33.4°F 2017: Annual mean of daily lows 33.0°F 2018: Annual mean of daily lows 31.7°F 2019: Annual mean of daily lows 29.2°F 2020: Annual mean of daily lows 32.5°F 2021: Annual mean of daily lows 33.3°F 2022: Annual mean of daily lows 31.4°F 2023: Annual mean of daily lows 34.0°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 44.3 56.0 32.5
2012 46.3 57.8 34.7
2013 42.7 54.9 30.6
2014 41.6 53.9 29.4
2015 42.7 55.1 30.4
2016 45.3 57.2 33.4
2017 44.6 56.2 33.0
2018 Unavailable Unavailable 31.7
2019 42.2 55.2 29.2
2020 45.0 57.4 32.5
2021 45.5 57.8 33.3
2022 44.7 57.9 31.4
2023 46.3 58.5 34.0
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.