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Rowlett city, Texas

Official LSAD Designation: Rowlett city • Census GEOID: 4863572 • Dallas County / Rockwall County

Climate Normals & Weather Observations

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

Reference Weather Station: LAVON DAM, TX US (ID: USC00415094) • Located 9.0 miles from community center • Elevation: 155.4 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 53.7° 34.2° 44.0° 2.58"
February 58.2° 38.1° 48.2° 2.71"
March 65.1° 46.4° 55.7° 3.54"
April 73.0° 53.4° 63.2° 3.68"
May 80.2° 62.6° 71.4° 4.74"
June 88.3° 70.3° 79.3° 4.13"
July 92.4° 73.2° 82.8° 1.87"
August 93.3° 73.0° 83.1° 2.15"
September 86.7° 65.9° 76.3° 3.10"
October 76.7° 54.8° 65.8° 4.42"
November 64.7° 44.6° 54.6° 3.42"
December 56.1° 36.0° 46.1° 3.45"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station LAVON DAM, TX US (ID: USC00415094) • 9.0 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 LAVON DAM, 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. 53.0 59.8 66.5 73.3 80.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2012: Annual mean 66.5°F 2012: Annual mean of daily highs 77.2°F 2012: Annual mean of daily lows 55.9°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 Unavailable Unavailable Unavailable
2011 Unavailable Unavailable Unavailable
2012 66.5 77.2 55.9
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 Unavailable Unavailable Unavailable
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.