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Port Mansfield CDP, Texas

Official LSAD Designation: Port Mansfield CDP • Census GEOID: 4858928 • Willacy County

Climate Normals & Weather Observations

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

Reference Weather Station: PORT MANSFIELD, TX US (ID: USC00417184) • Located 1.3 miles from community center • Elevation: 2.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 67.7° 50.3° 59.0° 1.13"
February 71.0° 54.5° 62.8° 1.75"
March 75.6° 60.5° 68.0° 1.33"
April 80.8° 66.5° 73.6° 1.41"
May 85.3° 72.7° 79.0° 2.39"
June 89.6° 76.6° 83.1° 2.00"
July 90.5° 77.7° 84.1° 2.39"
August 91.8° 77.5° 84.7° 1.15"
September 88.5° 73.6° 81.1° 5.37"
October 84.1° 68.0° 76.0° 3.10"
November 76.4° 59.6° 68.0° 1.98"
December 70.3° 52.2° 61.2° 1.25"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station PORT MANSFIELD, TX US (ID: USC00417184) • 1.3 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 PORT MANSFIELD, 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. 62.0 68.0 74.0 80.0 86.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 71.9°F 2011: Annual mean 73.9°F 2012: Annual mean 75.0°F 2014: Annual mean 71.6°F 2015: Annual mean 72.5°F 2024: Annual mean 75.8°F 2025: Annual mean 74.6°F 2010: Annual mean of daily highs 79.4°F 2011: Annual mean of daily highs 81.6°F 2012: Annual mean of daily highs 82.5°F 2013: Annual mean of daily highs 80.0°F 2014: Annual mean of daily highs 78.8°F 2015: Annual mean of daily highs 79.3°F 2024: Annual mean of daily highs 83.5°F 2025: Annual mean of daily highs 83.2°F 2010: Annual mean of daily lows 64.4°F 2011: Annual mean of daily lows 66.2°F 2012: Annual mean of daily lows 67.5°F 2014: Annual mean of daily lows 64.5°F 2015: Annual mean of daily lows 65.7°F 2024: Annual mean of daily lows 68.0°F 2025: Annual mean of daily lows 65.9°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 71.9 79.4 64.4
2011 73.9 81.6 66.2
2012 75.0 82.5 67.5
2013 Unavailable 80.0 Unavailable
2014 71.6 78.8 64.5
2015 72.5 79.3 65.7
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 75.8 83.5 68.0
2025 74.6 83.2 65.9
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.