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Iola city, Texas

Official LSAD Designation: Iola city • Census GEOID: 4836068 • Grimes County

Climate Normals & Weather Observations

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

Reference Weather Station: MADISONVILLE, TX US (ID: USC00415477) • Located 14.8 miles from community center • Elevation: 76.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 61.8° 36.6° 49.2° 4.36"
February 65.7° 40.7° 53.2° 3.35"
March 72.4° 47.0° 59.7° 3.38"
April 79.1° 53.9° 66.5° 3.40"
May 85.4° 62.6° 74.0° 4.86"
June 91.5° 69.2° 80.3° 3.76"
July 94.7° 71.6° 83.1° 2.91"
August 96.1° 71.2° 83.6° 3.42"
September 91.0° 65.4° 78.2° 3.87"
October 82.1° 54.9° 68.5° 4.72"
November 71.1° 44.7° 57.9° 4.34"
December 63.6° 37.9° 50.8° 4.40"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station MADISONVILLE, TX US (ID: USC00415477) • 14.8 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 MADISONVILLE, TX 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. 50.0 58.5 67.0 75.5 84.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 66.2°F 2012: Annual mean 68.3°F 2013: Annual mean 65.7°F 2014: Annual mean 64.6°F 2015: Annual mean 66.4°F 2016: Annual mean 67.5°F 2017: Annual mean 67.6°F 2018: Annual mean 67.0°F 2019: Annual mean 67.1°F 2021: Annual mean 67.0°F 2010: Annual mean of daily highs 78.1°F 2012: Annual mean of daily highs 80.3°F 2013: Annual mean of daily highs 77.6°F 2014: Annual mean of daily highs 75.8°F 2015: Annual mean of daily highs 77.4°F 2016: Annual mean of daily highs 78.8°F 2017: Annual mean of daily highs 79.7°F 2018: Annual mean of daily highs 78.4°F 2019: Annual mean of daily highs 78.5°F 2021: Annual mean of daily highs 78.0°F 2010: Annual mean of daily lows 54.3°F 2012: Annual mean of daily lows 56.2°F 2013: Annual mean of daily lows 53.8°F 2014: Annual mean of daily lows 53.4°F 2015: Annual mean of daily lows 55.3°F 2016: Annual mean of daily lows 56.2°F 2017: Annual mean of daily lows 55.4°F 2018: Annual mean of daily lows 55.6°F 2019: Annual mean of daily lows 55.7°F 2021: Annual mean of daily lows 56.0°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 66.2 78.1 54.3
2011 Unavailable Unavailable Unavailable
2012 68.3 80.3 56.2
2013 65.7 77.6 53.8
2014 64.6 75.8 53.4
2015 66.4 77.4 55.3
2016 67.5 78.8 56.2
2017 67.6 79.7 55.4
2018 67.0 78.4 55.6
2019 67.1 78.5 55.7
2020 Unavailable Unavailable Unavailable
2021 67.0 78.0 56.0
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.