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Mystic city, Iowa

Official LSAD Designation: Mystic city • Census GEOID: 1955200 • Appanoose County

Climate Normals & Weather Observations

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

Reference Weather Station: RATHBUN DAM, IA US (ID: USC00136910) • Located 4.2 miles from community center • Elevation: 294.1 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 31.3° 12.7° 22.0° 1.09"
February 36.6° 15.6° 26.1° 1.49"
March 49.6° 27.9° 38.8° 2.03"
April 61.8° 38.7° 50.3° 3.93"
May 71.4° 51.3° 61.4° 5.36"
June 80.9° 61.4° 71.2° 5.24"
July 85.0° 65.6° 75.3° 4.57"
August 83.5° 63.5° 73.5° 4.62"
September 76.6° 53.8° 65.2° 3.81"
October 64.6° 42.0° 53.3° 2.93"
November 49.7° 29.4° 39.6° 2.04"
December 37.2° 19.1° 28.2° 1.46"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station CENTERVILLE, IA US (ID: USC00131354) • 4.3 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00136910), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at CENTERVILLE, 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 41.5 50.0 58.5 67.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2014: Annual mean 47.3°F 2015: Annual mean 51.0°F 2016: Annual mean 52.5°F 2017: Annual mean 51.7°F 2018: Annual mean 49.7°F 2019: Annual mean 48.9°F 2020: Annual mean 50.3°F 2021: Annual mean 50.7°F 2022: Annual mean 49.1°F 2014: Annual mean of daily highs 58.5°F 2015: Annual mean of daily highs 62.4°F 2016: Annual mean of daily highs 63.6°F 2017: Annual mean of daily highs 63.8°F 2018: Annual mean of daily highs 61.3°F 2019: Annual mean of daily highs 59.9°F 2020: Annual mean of daily highs 61.9°F 2021: Annual mean of daily highs 61.9°F 2022: Annual mean of daily highs 61.1°F 2014: Annual mean of daily lows 36.1°F 2015: Annual mean of daily lows 39.7°F 2016: Annual mean of daily lows 41.4°F 2017: Annual mean of daily lows 39.7°F 2018: Annual mean of daily lows 38.1°F 2019: Annual mean of daily lows 37.8°F 2020: Annual mean of daily lows 38.8°F 2021: Annual mean of daily lows 39.5°F 2022: Annual mean of daily lows 37.1°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 47.3 58.5 36.1
2015 51.0 62.4 39.7
2016 52.5 63.6 41.4
2017 51.7 63.8 39.7
2018 49.7 61.3 38.1
2019 48.9 59.9 37.8
2020 50.3 61.9 38.8
2021 50.7 61.9 39.5
2022 49.1 61.1 37.1
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.