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Blawnox borough, Pennsylvania

Official LSAD Designation: Blawnox borough • Census GEOID: 4207000 • Allegheny County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Blawnox borough.

Reference Weather Station: ACMETONIA LOCK 3, PA US (ID: USC00360022) • Located 3.8 miles from community center • Elevation: 228.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 35.8° 19.4° 27.6° 3.38"
February 39.6° 20.9° 30.3° 2.87"
March 48.6° 27.5° 38.1° 3.68"
April 61.8° 37.9° 49.9° 3.70"
May 71.8° 48.5° 60.2° 3.91"
June 79.2° 57.5° 68.4° 4.45"
July 83.2° 62.2° 72.7° 4.54"
August 81.9° 60.5° 71.2° 3.56"
September 75.5° 53.7° 64.6° 4.18"
October 63.5° 42.6° 53.1° 3.32"
November 51.4° 31.7° 41.6° 3.26"
December 41.6° 25.5° 33.6° 3.66"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station ACMETONIA LOCK 3, PA US (ID: USC00360022) • 3.8 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 ACMETONIA LOCK 3, 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. 40.0 46.5 53.0 59.5 66.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 51.9°F 2018: Annual mean 51.8°F 2019: Annual mean 52.1°F 2020: Annual mean 53.1°F 2023: Annual mean 53.2°F 2011: Annual mean of daily highs 61.4°F 2018: Annual mean of daily highs 60.3°F 2019: Annual mean of daily highs 62.1°F 2020: Annual mean of daily highs 63.2°F 2023: Annual mean of daily highs 63.6°F 2011: Annual mean of daily lows 42.5°F 2018: Annual mean of daily lows 43.3°F 2019: Annual mean of daily lows 42.2°F 2020: Annual mean of daily lows 43.1°F 2023: Annual mean of daily lows 42.8°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 Unavailable Unavailable Unavailable
2011 51.9 61.4 42.5
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 51.8 60.3 43.3
2019 52.1 62.1 42.2
2020 53.1 63.2 43.1
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 53.2 63.6 42.8
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.