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King of Prussia CDP, Pennsylvania

Official LSAD Designation: King of Prussia CDP • Census GEOID: 4239736 • Montgomery County

Climate Normals & Weather Observations

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

Reference Weather Station: NORRISTOWN, PA US (ID: USC00366370) • Located 2.4 miles from community center • Elevation: 18.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 41.7° 22.6° 32.1° 3.66"
February 43.5° 24.7° 34.1° 2.98"
March 52.1° 31.6° 41.8° 4.41"
April 64.8° 41.5° 53.1° 3.90"
May 74.8° 52.1° 63.4° 4.25"
June 84.0° 62.0° 73.0° 4.20"
July 88.8° 66.6° 77.7° 4.70"
August 86.5° 65.2° 75.9° 4.98"
September 80.0° 57.6° 68.8° 4.91"
October 68.4° 44.6° 56.5° 4.32"
November 56.8° 35.1° 45.9° 3.61"
December 46.3° 28.3° 37.3° 4.73"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station NORRISTOWN, PA US (ID: USC00366370) • 2.4 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 NORRISTOWN, 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. 39.0 47.0 55.0 63.0 71.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2012: Annual mean 57.4°F 2013: Annual mean 54.8°F 2014: Annual mean 53.5°F 2015: Annual mean 55.4°F 2016: Annual mean 56.4°F 2017: Annual mean 55.7°F 2018: Annual mean 55.1°F 2019: Annual mean 55.4°F 2020: Annual mean 56.4°F 2022: Annual mean 54.1°F 2023: Annual mean 55.8°F 2025: Annual mean 53.7°F 2012: Annual mean of daily highs 67.8°F 2013: Annual mean of daily highs 64.9°F 2014: Annual mean of daily highs 64.6°F 2015: Annual mean of daily highs 66.7°F 2016: Annual mean of daily highs 68.4°F 2017: Annual mean of daily highs 65.5°F 2018: Annual mean of daily highs 64.0°F 2019: Annual mean of daily highs 64.7°F 2020: Annual mean of daily highs 65.6°F 2022: Annual mean of daily highs 64.7°F 2023: Annual mean of daily highs 66.0°F 2025: Annual mean of daily highs 64.1°F 2012: Annual mean of daily lows 47.0°F 2013: Annual mean of daily lows 44.7°F 2014: Annual mean of daily lows 42.4°F 2015: Annual mean of daily lows 44.1°F 2016: Annual mean of daily lows 44.3°F 2017: Annual mean of daily lows 45.9°F 2018: Annual mean of daily lows 46.1°F 2019: Annual mean of daily lows 46.2°F 2020: Annual mean of daily lows 47.1°F 2022: Annual mean of daily lows 43.4°F 2023: Annual mean of daily lows 45.5°F 2025: Annual mean of daily lows 43.3°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 Unavailable Unavailable Unavailable
2012 57.4 67.8 47.0
2013 54.8 64.9 44.7
2014 53.5 64.6 42.4
2015 55.4 66.7 44.1
2016 56.4 68.4 44.3
2017 55.7 65.5 45.9
2018 55.1 64.0 46.1
2019 55.4 64.7 46.2
2020 56.4 65.6 47.1
2021 Unavailable Unavailable Unavailable
2022 54.1 64.7 43.4
2023 55.8 66.0 45.5
2024 Unavailable Unavailable Unavailable
2025 53.7 64.1 43.3
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.