Skip to main content

Union CDP, New Jersey

Official LSAD Designation: Union CDP • Census GEOID: 3474478 • Union County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Union CDP.

Reference Weather Station: CRANFORD, NJ US (ID: USC00282023) • Located 3.5 miles from community center • Elevation: 24.4 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 40.2° 25.1° 32.6° 3.73"
February 43.0° 26.8° 34.9° 3.26"
March 50.7° 33.2° 41.9° 4.39"
April 62.5° 42.7° 52.6° 4.05"
May 71.9° 52.5° 62.2° 4.20"
June 80.8° 62.4° 71.6° 4.54"
July 85.9° 67.6° 76.7° 5.32"
August 84.3° 66.1° 75.2° 4.14"
September 77.1° 59.2° 68.1° 4.25"
October 65.5° 46.7° 56.1° 4.40"
November 55.0° 37.5° 46.2° 3.63"
December 44.8° 30.5° 37.6° 4.48"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station CRANFORD, NJ US (ID: USC00282023) • 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 CRANFORD, 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. 44.0 49.3 54.5 59.8 65.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2013: Annual mean 54.6°F 2013: Annual mean of daily highs 62.7°F 2014: Annual mean of daily highs 62.3°F 2013: Annual mean of daily lows 46.5°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 54.6 62.7 46.5
2014 Unavailable 62.3 Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
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.