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Summit city, New Jersey

Official LSAD Designation: Summit city • Census GEOID: 3471430 • Union County

Climate Normals & Weather Observations

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

Reference Weather Station: CANOE BROOK, NJ US (ID: USC00281335) • Located 2.0 miles from community center • Elevation: 54.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 39.5° 21.9° 30.7° 3.53"
February 41.8° 23.0° 32.4° 2.96"
March 49.8° 30.6° 40.2° 4.19"
April 62.4° 40.5° 51.5° 4.03"
May 72.3° 50.4° 61.4° 4.05"
June 81.5° 59.9° 70.7° 4.77"
July 86.3° 65.6° 76.0° 4.68"
August 84.7° 63.7° 74.2° 4.94"
September 77.9° 56.3° 67.1° 4.64"
October 65.6° 44.1° 54.9° 4.58"
November 54.2° 34.8° 44.5° 3.60"
December 44.1° 27.6° 35.9° 4.43"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station CANOE BROOK, NJ US (ID: USC00281335) • 2.0 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 CANOE BROOK, NJ 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 47.3 54.5 61.8 69.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2013: Annual mean 52.8°F 2015: Annual mean 53.5°F 2016: Annual mean 55.0°F 2017: Annual mean 54.4°F 2018: Annual mean 53.9°F 2019: Annual mean 54.0°F 2020: Annual mean 55.5°F 2021: Annual mean 55.1°F 2022: Annual mean 54.5°F 2023: Annual mean 55.6°F 2024: Annual mean 55.9°F 2025: Annual mean 54.1°F 2013: Annual mean of daily highs 62.3°F 2015: Annual mean of daily highs 64.2°F 2016: Annual mean of daily highs 66.1°F 2017: Annual mean of daily highs 64.5°F 2018: Annual mean of daily highs 62.9°F 2019: Annual mean of daily highs 63.6°F 2020: Annual mean of daily highs 65.1°F 2021: Annual mean of daily highs 64.6°F 2022: Annual mean of daily highs 64.8°F 2023: Annual mean of daily highs 65.6°F 2024: Annual mean of daily highs 66.0°F 2025: Annual mean of daily highs 63.9°F 2013: Annual mean of daily lows 43.3°F 2015: Annual mean of daily lows 42.8°F 2016: Annual mean of daily lows 43.9°F 2017: Annual mean of daily lows 44.4°F 2018: Annual mean of daily lows 44.9°F 2019: Annual mean of daily lows 44.4°F 2020: Annual mean of daily lows 45.8°F 2021: Annual mean of daily lows 45.5°F 2022: Annual mean of daily lows 44.2°F 2023: Annual mean of daily lows 45.5°F 2024: Annual mean of daily lows 45.7°F 2025: 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 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 52.8 62.3 43.3
2014 Unavailable Unavailable Unavailable
2015 53.5 64.2 42.8
2016 55.0 66.1 43.9
2017 54.4 64.5 44.4
2018 53.9 62.9 44.9
2019 54.0 63.6 44.4
2020 55.5 65.1 45.8
2021 55.1 64.6 45.5
2022 54.5 64.8 44.2
2023 55.6 65.6 45.5
2024 55.9 66.0 45.7
2025 54.1 63.9 44.2
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.