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Malvern city, Iowa

Official LSAD Designation: Malvern city • Census GEOID: 1948720 • Mills County

Climate Normals & Weather Observations

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

Reference Weather Station: GLENWOOD 3SW, IA US (ID: USC00133290) • Located 9.9 miles from community center • Elevation: 298.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 33.0° 12.2° 22.6° 0.66"
February 38.2° 16.4° 27.3° 1.03"
March 51.5° 27.5° 39.5° 2.03"
April 63.9° 38.0° 50.9° 3.73"
May 74.2° 50.2° 62.2° 5.19"
June 83.4° 61.2° 72.3° 5.96"
July 86.9° 64.7° 75.8° 4.31"
August 85.1° 62.1° 73.6° 3.81"
September 79.4° 52.7° 66.1° 3.32"
October 66.6° 39.9° 53.3° 2.30"
November 50.6° 27.7° 39.2° 1.30"
December 37.6° 17.5° 27.6° 1.16"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station RED OAK, IA US (ID: USC00136940) • 17.9 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00133290), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at RED OAK, 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. 33.0 42.3 51.5 60.8 70.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 50.7°F 2012: Annual mean 54.3°F 2013: Annual mean 49.2°F 2014: Annual mean 48.8°F 2015: Annual mean 51.7°F 2016: Annual mean 53.4°F 2017: Annual mean 52.6°F 2018: Annual mean 49.8°F 2021: Annual mean 51.9°F 2022: Annual mean 49.7°F 2023: Annual mean 52.5°F 2011: Annual mean of daily highs 61.8°F 2012: Annual mean of daily highs 67.0°F 2013: Annual mean of daily highs 60.3°F 2014: Annual mean of daily highs 59.9°F 2015: Annual mean of daily highs 62.9°F 2016: Annual mean of daily highs 64.3°F 2017: Annual mean of daily highs 64.0°F 2018: Annual mean of daily highs 60.5°F 2021: Annual mean of daily highs 63.7°F 2022: Annual mean of daily highs 62.9°F 2023: Annual mean of daily highs 65.3°F 2011: Annual mean of daily lows 39.5°F 2012: Annual mean of daily lows 41.6°F 2013: Annual mean of daily lows 38.1°F 2014: Annual mean of daily lows 37.6°F 2015: Annual mean of daily lows 40.5°F 2016: Annual mean of daily lows 42.4°F 2017: Annual mean of daily lows 41.2°F 2018: Annual mean of daily lows 39.2°F 2021: Annual mean of daily lows 40.2°F 2022: Annual mean of daily lows 36.6°F 2023: Annual mean of daily lows 39.8°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 50.7 61.8 39.5
2012 54.3 67.0 41.6
2013 49.2 60.3 38.1
2014 48.8 59.9 37.6
2015 51.7 62.9 40.5
2016 53.4 64.3 42.4
2017 52.6 64.0 41.2
2018 49.8 60.5 39.2
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 51.9 63.7 40.2
2022 49.7 62.9 36.6
2023 52.5 65.3 39.8
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.