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Pewaukee city, Wisconsin

Official LSAD Designation: Pewaukee city • Census GEOID: 5562240 • Waukesha County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Pewaukee city.

Reference Weather Station: BROOKFIELD WWTP, WI US (ID: USC00471062) • Located 3.5 miles from community center • Elevation: 253.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 27.7° 12.2° 19.9° 1.59"
February 31.5° 15.0° 23.3° 1.56"
March 42.4° 24.6° 33.5° 2.06"
April 54.3° 34.8° 44.5° 3.71"
May 66.5° 46.6° 56.5° 3.94"
June 76.6° 55.9° 66.3° 4.80"
July 81.2° 61.4° 71.3° 3.82"
August 79.2° 60.2° 69.7° 3.97"
September 72.2° 51.3° 61.8° 3.21"
October 59.4° 40.2° 49.8° 3.09"
November 45.1° 28.5° 36.8° 2.19"
December 33.1° 18.7° 25.9° 1.96"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BROOKFIELD WWTP, WI US (ID: USC00471062) • 3.5 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 BROOKFIELD WWTP, WI 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. 31.0 39.0 47.0 55.0 63.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 48.1°F 2011: Annual mean 46.7°F 2012: Annual mean 50.1°F 2013: Annual mean 44.7°F 2014: Annual mean 43.2°F 2015: Annual mean 47.1°F 2016: Annual mean 48.8°F 2017: Annual mean 47.9°F 2019: Annual mean 45.3°F 2020: Annual mean 47.8°F 2021: Annual mean 48.4°F 2025: Annual mean 46.9°F 2010: Annual mean of daily highs 57.1°F 2011: Annual mean of daily highs 55.4°F 2012: Annual mean of daily highs 59.8°F 2013: Annual mean of daily highs 53.7°F 2014: Annual mean of daily highs 52.2°F 2015: Annual mean of daily highs 56.4°F 2016: Annual mean of daily highs 57.8°F 2017: Annual mean of daily highs 57.0°F 2019: Annual mean of daily highs 54.3°F 2020: Annual mean of daily highs 56.7°F 2021: Annual mean of daily highs 57.8°F 2025: Annual mean of daily highs 56.5°F 2010: Annual mean of daily lows 39.1°F 2011: Annual mean of daily lows 38.0°F 2012: Annual mean of daily lows 40.3°F 2013: Annual mean of daily lows 35.6°F 2014: Annual mean of daily lows 34.2°F 2015: Annual mean of daily lows 37.8°F 2016: Annual mean of daily lows 39.7°F 2017: Annual mean of daily lows 38.8°F 2019: Annual mean of daily lows 36.4°F 2020: Annual mean of daily lows 38.8°F 2021: Annual mean of daily lows 39.0°F 2025: Annual mean of daily lows 37.3°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 48.1 57.1 39.1
2011 46.7 55.4 38.0
2012 50.1 59.8 40.3
2013 44.7 53.7 35.6
2014 43.2 52.2 34.2
2015 47.1 56.4 37.8
2016 48.8 57.8 39.7
2017 47.9 57.0 38.8
2018 Unavailable Unavailable Unavailable
2019 45.3 54.3 36.4
2020 47.8 56.7 38.8
2021 48.4 57.8 39.0
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 46.9 56.5 37.3
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.