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Harford CDP, Pennsylvania

Official LSAD Designation: Harford CDP • Census GEOID: 4232560 • Susquehanna County

Climate Normals & Weather Observations

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

Reference Weather Station: MONTROSE, PA US (ID: USC00365915) • Located 9.1 miles from community center • Elevation: 432.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 31.1° 12.5° 21.8° 3.37"
February 33.2° 12.7° 23.0° 2.83"
March 41.2° 20.9° 31.1° 3.57"
April 54.9° 31.5° 43.2° 4.07"
May 67.1° 42.4° 54.7° 4.26"
June 74.8° 52.3° 63.5° 4.64"
July 79.7° 55.7° 67.7° 4.64"
August 78.6° 54.4° 66.5° 3.80"
September 71.2° 46.5° 58.9° 4.53"
October 59.0° 36.2° 47.6° 4.10"
November 46.6° 27.3° 37.0° 3.32"
December 35.6° 19.2° 27.4° 3.58"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station PLEASANT MT 1 W, PA US (ID: USC00367029) • 13.8 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00365915), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at PLEASANT MT 1 W, PA 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. 30.0 37.3 44.5 51.8 59.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 45.7°F 2011: Annual mean 45.0°F 2012: Annual mean 46.3°F 2013: Annual mean 44.0°F 2014: Annual mean 42.4°F 2015: Annual mean 43.9°F 2016: Annual mean 45.4°F 2022: Annual mean 45.2°F 2023: Annual mean 47.0°F 2024: Annual mean 46.9°F 2010: Annual mean of daily highs 55.3°F 2011: Annual mean of daily highs 54.6°F 2012: Annual mean of daily highs 56.1°F 2013: Annual mean of daily highs 53.6°F 2014: Annual mean of daily highs 52.3°F 2015: Annual mean of daily highs 54.2°F 2016: Annual mean of daily highs 56.3°F 2022: Annual mean of daily highs 55.7°F 2023: Annual mean of daily highs 56.4°F 2024: Annual mean of daily highs 56.4°F 2010: Annual mean of daily lows 36.0°F 2011: Annual mean of daily lows 35.3°F 2012: Annual mean of daily lows 36.6°F 2013: Annual mean of daily lows 34.3°F 2014: Annual mean of daily lows 32.5°F 2015: Annual mean of daily lows 33.6°F 2016: Annual mean of daily lows 34.6°F 2022: Annual mean of daily lows 34.8°F 2023: Annual mean of daily lows 37.6°F 2024: Annual mean of daily lows 37.4°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 45.7 55.3 36.0
2011 45.0 54.6 35.3
2012 46.3 56.1 36.6
2013 44.0 53.6 34.3
2014 42.4 52.3 32.5
2015 43.9 54.2 33.6
2016 45.4 56.3 34.6
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 45.2 55.7 34.8
2023 47.0 56.4 37.6
2024 46.9 56.4 37.4
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.