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Garden Grove city, Iowa

Official LSAD Designation: Garden Grove city • Census GEOID: 1929775 • Decatur County

Climate Normals & Weather Observations

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

Reference Weather Station: LEON 6 ESE, IA US (ID: USC00134758) • Located 7.4 miles from community center • Elevation: 304.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 32.7° 12.6° 22.6° 0.90"
February 37.6° 15.7° 26.7° 1.51"
March 50.4° 27.0° 38.7° 2.29"
April 62.5° 36.8° 49.6° 3.80"
May 71.9° 48.3° 60.1° 5.54"
June 80.8° 58.5° 69.7° 5.56"
July 85.5° 62.8° 74.2° 4.43"
August 83.6° 60.5° 72.0° 4.54"
September 76.0° 50.4° 63.2° 4.17"
October 64.2° 38.9° 51.6° 3.17"
November 49.8° 27.9° 38.9° 2.07"
December 37.7° 17.8° 27.8° 1.35"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station LEON 6 ESE, IA US (ID: USC00134758) • 7.4 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 LEON 6 ESE, IA 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 42.3 49.5 56.8 64.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 49.1°F 2011: Annual mean 49.7°F 2010: Annual mean of daily highs 60.5°F 2011: Annual mean of daily highs 61.3°F 2010: Annual mean of daily lows 37.8°F 2011: Annual mean of daily lows 38.2°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 49.1 60.5 37.8
2011 49.7 61.3 38.2
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.