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Athelstan CDP, Iowa

Official LSAD Designation: Athelstan CDP • Census GEOID: 1903430 • Taylor County

Climate Normals & Weather Observations

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

Reference Weather Station: GRANT CITY 5WSW, MO US (ID: USC00233375) • Located 7.9 miles from community center • Elevation: 331.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 32.6° 13.5° 23.1° 0.90"
February 38.5° 17.8° 28.2° 1.36"
March 51.4° 28.9° 40.2° 2.21"
April 62.5° 39.9° 51.2° 3.73"
May 71.3° 50.7° 61.0° 5.56"
June 81.6° 61.8° 71.7° 5.29"
July 85.9° 66.6° 76.3° 4.78"
August 84.4° 63.4° 73.9° 4.32"
September 77.0° 54.4° 65.7° 3.65"
October 64.7° 41.8° 53.3° 2.99"
November 49.9° 29.0° 39.5° 1.97"
December 37.6° 19.4° 28.5° 1.50"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station GRANT CITY 5WSW, MO US (ID: USC00233375) • 7.9 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 GRANT CITY 5WSW, MO 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 42.5 51.0 59.5 68.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2014: Annual mean 47.7°F 2015: Annual mean 51.2°F 2017: Annual mean 52.6°F 2018: Annual mean 51.0°F 2020: Annual mean 52.0°F 2021: Annual mean 52.8°F 2022: Annual mean 50.5°F 2023: Annual mean 53.5°F 2024: Annual mean 54.0°F 2014: Annual mean of daily highs 58.0°F 2015: Annual mean of daily highs 61.6°F 2017: Annual mean of daily highs 63.7°F 2018: Annual mean of daily highs 61.3°F 2020: Annual mean of daily highs 62.5°F 2021: Annual mean of daily highs 63.0°F 2022: Annual mean of daily highs 62.0°F 2023: Annual mean of daily highs 64.5°F 2024: Annual mean of daily highs 65.2°F 2014: Annual mean of daily lows 37.4°F 2015: Annual mean of daily lows 40.9°F 2017: Annual mean of daily lows 41.5°F 2018: Annual mean of daily lows 40.7°F 2020: Annual mean of daily lows 41.5°F 2021: Annual mean of daily lows 42.6°F 2022: Annual mean of daily lows 39.1°F 2023: Annual mean of daily lows 42.5°F 2024: Annual mean of daily lows 42.8°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 47.7 58.0 37.4
2015 51.2 61.6 40.9
2016 Unavailable Unavailable Unavailable
2017 52.6 63.7 41.5
2018 51.0 61.3 40.7
2019 Unavailable Unavailable Unavailable
2020 52.0 62.5 41.5
2021 52.8 63.0 42.6
2022 50.5 62.0 39.1
2023 53.5 64.5 42.5
2024 54.0 65.2 42.8
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.