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California Junction CDP, Iowa

Official LSAD Designation: California Junction CDP • Census GEOID: 1909910 • Harrison County

Climate Normals & Weather Observations

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

Reference Weather Station: FT CALHOUN 4W, NE US (ID: USC00252980) • Located 9.4 miles from community center • Elevation: 399.3 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 29.8° 12.8° 21.3° 0.78"
February 34.6° 16.3° 25.5° 0.94"
March 47.9° 27.1° 37.5° 1.76"
April 60.8° 38.8° 49.8° 3.30"
May 70.2° 50.4° 60.3° 5.01"
June 79.9° 61.2° 70.6° 5.06"
July 83.5° 65.4° 74.4° 3.92"
August 81.8° 63.3° 72.6° 4.17"
September 75.4° 54.2° 64.8° 3.31"
October 61.9° 41.5° 51.7° 2.41"
November 46.8° 28.1° 37.4° 1.43"
December 34.0° 17.9° 26.0° 1.31"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station FT CALHOUN 4W, NE US (ID: USC00252980) • 9.4 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 FT CALHOUN 4W, NE 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. 34.0 41.8 49.5 57.3 65.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2020: Annual mean 49.8°F 2021: Annual mean 51.0°F 2022: Annual mean 48.2°F 2023: Annual mean 51.7°F 2020: Annual mean of daily highs 59.8°F 2021: Annual mean of daily highs 60.5°F 2022: Annual mean of daily highs 59.6°F 2023: Annual mean of daily highs 62.3°F 2020: Annual mean of daily lows 39.9°F 2021: Annual mean of daily lows 41.5°F 2022: Annual mean of daily lows 36.8°F 2023: Annual mean of daily lows 41.2°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 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 49.8 59.8 39.9
2021 51.0 60.5 41.5
2022 48.2 59.6 36.8
2023 51.7 62.3 41.2
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.