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Altha town, Florida

Official LSAD Designation: Altha town • Census GEOID: 1201000 • Calhoun County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Altha town.

Reference Weather Station: MARIANNA MUNI AP, FL US (ID: USW00003818) • Located 18.5 miles from community center • Elevation: 34.4 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 62.9° 40.7° 51.8° 4.04"
February 67.1° 43.8° 55.4° 4.49"
March 73.7° 49.2° 61.5° 5.01"
April 80.1° 55.1° 67.6° 3.72"
May 87.5° 64.2° 75.9° 3.15"
June 91.2° 71.1° 81.1° 5.07"
July 92.4° 73.0° 82.7° 5.10"
August 91.4° 72.8° 82.1° 4.93"
September 88.7° 68.6° 78.7° 4.06"
October 81.1° 58.0° 69.5° 3.06"
November 71.7° 47.4° 59.6° 3.67"
December 64.7° 43.0° 53.9° 4.81"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station MARIANNA MUNI AP, FL US (ID: USW00003818) • 18.5 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 MARIANNA MUNI AP, FL 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. 52.0 60.3 68.5 76.8 85.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 67.6°F 2013: Annual mean 67.8°F 2014: Annual mean 66.8°F 2015: Annual mean 69.6°F 2016: Annual mean 69.4°F 2017: Annual mean 70.2°F 2019: Annual mean 70.2°F 2020: Annual mean 69.6°F 2021: Annual mean 68.3°F 2022: Annual mean 68.1°F 2023: Annual mean 69.3°F 2024: Annual mean 69.7°F 2025: Annual mean 69.0°F 2010: Annual mean of daily highs 79.8°F 2013: Annual mean of daily highs 78.5°F 2014: Annual mean of daily highs 78.2°F 2015: Annual mean of daily highs 80.1°F 2016: Annual mean of daily highs 80.8°F 2017: Annual mean of daily highs 81.4°F 2019: Annual mean of daily highs 81.3°F 2020: Annual mean of daily highs 80.2°F 2021: Annual mean of daily highs 78.8°F 2022: Annual mean of daily highs 79.4°F 2023: Annual mean of daily highs 80.7°F 2024: Annual mean of daily highs 80.7°F 2025: Annual mean of daily highs 80.7°F 2010: Annual mean of daily lows 55.5°F 2013: Annual mean of daily lows 57.0°F 2014: Annual mean of daily lows 55.4°F 2015: Annual mean of daily lows 59.1°F 2016: Annual mean of daily lows 58.0°F 2017: Annual mean of daily lows 59.0°F 2019: Annual mean of daily lows 59.1°F 2020: Annual mean of daily lows 59.0°F 2021: Annual mean of daily lows 57.8°F 2022: Annual mean of daily lows 56.8°F 2023: Annual mean of daily lows 57.9°F 2024: Annual mean of daily lows 58.6°F 2025: Annual mean of daily lows 57.2°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 67.6 79.8 55.5
2011 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 67.8 78.5 57.0
2014 66.8 78.2 55.4
2015 69.6 80.1 59.1
2016 69.4 80.8 58.0
2017 70.2 81.4 59.0
2018 Unavailable Unavailable Unavailable
2019 70.2 81.3 59.1
2020 69.6 80.2 59.0
2021 68.3 78.8 57.8
2022 68.1 79.4 56.8
2023 69.3 80.7 57.9
2024 69.7 80.7 58.6
2025 69.0 80.7 57.2
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.