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Arnold Line CDP, Mississippi

Official LSAD Designation: Arnold Line CDP • Census GEOID: 2802060 • Lamar County

Climate Normals & Weather Observations

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

Reference Weather Station: HATTIESBURG 5SW, MS US (ID: USC00223887) • Located 6.1 miles from community center • Elevation: 117.3 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 59.7° 37.8° 48.8° 6.50"
February 64.0° 41.2° 52.6° 5.68"
March 71.1° 47.9° 59.5° 5.89"
April 77.5° 54.1° 65.8° 5.70"
May 84.2° 62.4° 73.3° 4.53"
June 89.7° 69.5° 79.6° 5.26"
July 91.2° 71.8° 81.5° 6.44"
August 91.4° 71.5° 81.4° 6.26"
September 87.9° 66.9° 77.4° 4.82"
October 79.4° 56.0° 67.7° 3.54"
November 69.3° 45.7° 57.5° 3.85"
December 61.8° 40.3° 51.1° 5.97"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station HATTIESBURG 5SW, MS US (ID: USC00223887) • 6.1 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 HATTIESBURG 5SW, MS 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 57.8 65.5 73.3 81.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 64.7°F 2011: Annual mean 66.0°F 2012: Annual mean 67.4°F 2021: Annual mean 66.8°F 2022: Annual mean 66.9°F 2010: Annual mean of daily highs 76.0°F 2011: Annual mean of daily highs 77.5°F 2012: Annual mean of daily highs 78.0°F 2021: Annual mean of daily highs 77.1°F 2022: Annual mean of daily highs 78.3°F 2010: Annual mean of daily lows 53.4°F 2011: Annual mean of daily lows 54.4°F 2012: Annual mean of daily lows 56.7°F 2021: Annual mean of daily lows 56.5°F 2022: Annual mean of daily lows 55.5°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 64.7 76.0 53.4
2011 66.0 77.5 54.4
2012 67.4 78.0 56.7
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 66.8 77.1 56.5
2022 66.9 78.3 55.5
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.