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Heron Bay CDP, Georgia

Official LSAD Designation: Heron Bay CDP • Census GEOID: 1338105 • Henry County

Climate Normals & Weather Observations

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

Reference Weather Station: EXPERIMENT, GA US (ID: USC00093271) • Located 7.5 miles from community center • Elevation: 284.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 55.6° 34.3° 45.0° 5.27"
February 59.0° 36.5° 47.7° 4.32"
March 66.8° 44.3° 55.5° 5.08"
April 74.1° 50.1° 62.1° 4.04"
May 81.2° 59.1° 70.2° 3.71"
June 87.3° 66.0° 76.6° 4.91"
July 89.8° 69.0° 79.4° 5.07"
August 88.5° 68.0° 78.2° 5.08"
September 83.9° 63.5° 73.7° 4.39"
October 75.0° 52.2° 63.6° 3.31"
November 65.8° 42.1° 54.0° 4.01"
December 58.0° 36.4° 47.2° 5.00"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station MCDONOUGH 5 ENE, GA US (ID: USC00095666) • 13.2 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00093271), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at MCDONOUGH 5 ENE, GA 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. 46.0 53.5 61.0 68.5 76.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 61.0°F 2010: Annual mean of daily highs 73.5°F 2010: Annual mean of daily lows 48.6°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 61.0 73.5 48.6
2011 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable 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.