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Marshallton CDP, Pennsylvania

Official LSAD Designation: Marshallton CDP • Census GEOID: 4247728 • Chester County

Climate Normals & Weather Observations

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

Reference Weather Station: W CHESTER 2 NW, PA US (ID: USC00369464) • Located 2.7 miles from community center • Elevation: 114.3 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 39.5° 19.7° 29.6° 3.65"
February 42.5° 21.2° 31.9° 3.12"
March 50.9° 28.7° 39.8° 4.61"
April 63.2° 38.1° 50.7° 3.78"
May 73.0° 48.6° 60.8° 3.81"
June 82.0° 58.7° 70.4° 4.01"
July 86.2° 63.7° 75.0° 4.41"
August 84.4° 61.6° 73.0° 4.79"
September 78.0° 53.7° 65.9° 5.65"
October 66.1° 41.4° 53.7° 4.83"
November 54.9° 31.8° 43.4° 3.55"
December 44.4° 25.2° 34.8° 4.72"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station W CHESTER 2 NW, PA US (ID: USC00369464) • 2.7 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 W CHESTER 2 NW, 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. 36.0 44.3 52.5 60.8 69.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 53.5°F 2011: Annual mean 54.0°F 2012: Annual mean 54.5°F 2013: Annual mean 52.1°F 2014: Annual mean 50.7°F 2015: Annual mean 52.7°F 2016: Annual mean 53.6°F 2010: Annual mean of daily highs 64.9°F 2011: Annual mean of daily highs 65.1°F 2012: Annual mean of daily highs 65.8°F 2013: Annual mean of daily highs 63.1°F 2014: Annual mean of daily highs 62.2°F 2015: Annual mean of daily highs 64.2°F 2016: Annual mean of daily highs 65.5°F 2010: Annual mean of daily lows 42.1°F 2011: Annual mean of daily lows 42.8°F 2012: Annual mean of daily lows 43.1°F 2013: Annual mean of daily lows 41.1°F 2014: Annual mean of daily lows 39.1°F 2015: Annual mean of daily lows 41.2°F 2016: Annual mean of daily lows 41.8°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 53.5 64.9 42.1
2011 54.0 65.1 42.8
2012 54.5 65.8 43.1
2013 52.1 63.1 41.1
2014 50.7 62.2 39.1
2015 52.7 64.2 41.2
2016 53.6 65.5 41.8
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
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.