Skip to main content

Avalon borough, Pennsylvania

Official LSAD Designation: Avalon borough • Census GEOID: 4203608 • Allegheny County

Climate Normals & Weather Observations

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

Reference Weather Station: EMSWORTH L/D OHIO RVR, PA US (ID: USC00362574) • Located 1.1 miles from community center • Elevation: 218.5 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 39.3° 20.5° 29.9° 3.36"
February 41.7° 21.7° 31.7° 2.78"
March 51.2° 29.3° 40.3° 3.18"
April 64.0° 39.1° 51.5° 3.22"
May 73.7° 49.5° 61.6° 3.52"
June 81.2° 58.9° 70.0° 3.53"
July 85.4° 63.6° 74.5° 3.64"
August 84.1° 61.7° 72.9° 3.25"
September 78.0° 54.7° 66.4° 3.19"
October 65.8° 43.7° 54.7° 2.80"
November 53.8° 33.1° 43.5° 2.83"
December 43.1° 25.9° 34.5° 3.02"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station EMSWORTH L/D OHIO RVR, PA US (ID: USC00362574) • 1.1 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 EMSWORTH L/D OHIO RVR, 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. 37.0 45.0 53.0 61.0 69.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 53.3°F 2012: Annual mean 55.0°F 2013: Annual mean 52.0°F 2014: Annual mean 50.1°F 2016: Annual mean 54.2°F 2017: Annual mean 54.1°F 2018: Annual mean 53.2°F 2019: Annual mean 53.5°F 2020: Annual mean 53.7°F 2021: Annual mean 53.4°F 2011: Annual mean of daily highs 62.0°F 2012: Annual mean of daily highs 64.1°F 2013: Annual mean of daily highs 62.2°F 2014: Annual mean of daily highs 60.3°F 2016: Annual mean of daily highs 65.7°F 2017: Annual mean of daily highs 64.8°F 2018: Annual mean of daily highs 63.1°F 2019: Annual mean of daily highs 64.2°F 2020: Annual mean of daily highs 63.2°F 2021: Annual mean of daily highs 62.5°F 2011: Annual mean of daily lows 44.7°F 2012: Annual mean of daily lows 45.9°F 2013: Annual mean of daily lows 41.8°F 2014: Annual mean of daily lows 39.9°F 2016: Annual mean of daily lows 42.8°F 2017: Annual mean of daily lows 43.4°F 2018: Annual mean of daily lows 43.3°F 2019: Annual mean of daily lows 42.9°F 2020: Annual mean of daily lows 44.1°F 2021: Annual mean of daily lows 44.2°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 53.3 62.0 44.7
2012 55.0 64.1 45.9
2013 52.0 62.2 41.8
2014 50.1 60.3 39.9
2015 Unavailable Unavailable Unavailable
2016 54.2 65.7 42.8
2017 54.1 64.8 43.4
2018 53.2 63.1 43.3
2019 53.5 64.2 42.9
2020 53.7 63.2 44.1
2021 53.4 62.5 44.2
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.