Skip to main content

Eau Claire borough, Pennsylvania

Official LSAD Designation: Eau Claire borough • Census GEOID: 4222128 • Butler County

Climate Normals & Weather Observations

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

Reference Weather Station: SLIPPERY ROCK 1 SSW, PA US (ID: USC00368184) • Located 14.7 miles from community center • Elevation: 384.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 33.4° 16.8° 25.1° 3.47"
February 36.7° 18.0° 27.4° 2.69"
March 45.7° 25.3° 35.5° 3.41"
April 58.6° 34.7° 46.7° 3.94"
May 69.3° 44.9° 57.1° 4.14"
June 76.9° 53.6° 65.3° 4.76"
July 81.3° 58.0° 69.7° 4.63"
August 80.0° 56.4° 68.2° 4.02"
September 73.7° 49.8° 61.8° 4.07"
October 61.5° 39.4° 50.5° 3.45"
November 48.9° 30.6° 39.7° 3.47"
December 38.1° 23.2° 30.6° 3.19"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station SLIPPERY ROCK 1 SSW, PA US (ID: USC00368184) • 14.7 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 SLIPPERY ROCK 1 SSW, 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. 35.0 43.5 52.0 60.5 69.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 50.8°F 2012: Annual mean 52.8°F 2013: Annual mean 49.9°F 2016: Annual mean 50.0°F 2017: Annual mean 49.8°F 2018: Annual mean 48.8°F 2019: Annual mean 48.7°F 2023: Annual mean 51.1°F 2010: Annual mean of daily highs 63.5°F 2012: Annual mean of daily highs 65.8°F 2013: Annual mean of daily highs 61.4°F 2016: Annual mean of daily highs 61.0°F 2017: Annual mean of daily highs 60.2°F 2018: Annual mean of daily highs 58.5°F 2019: Annual mean of daily highs 59.3°F 2023: Annual mean of daily highs 62.3°F 2025: Annual mean of daily highs 59.4°F 2010: Annual mean of daily lows 38.1°F 2012: Annual mean of daily lows 39.9°F 2013: Annual mean of daily lows 38.3°F 2016: Annual mean of daily lows 39.0°F 2017: Annual mean of daily lows 39.3°F 2018: Annual mean of daily lows 39.1°F 2019: Annual mean of daily lows 38.2°F 2023: Annual mean of daily lows 39.9°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 50.8 63.5 38.1
2011 Unavailable Unavailable Unavailable
2012 52.8 65.8 39.9
2013 49.9 61.4 38.3
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 50.0 61.0 39.0
2017 49.8 60.2 39.3
2018 48.8 58.5 39.1
2019 48.7 59.3 38.2
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 51.1 62.3 39.9
2024 Unavailable Unavailable Unavailable
2025 Unavailable 59.4 Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.