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Westlake, TX Weather


Westlake, TX climate is hot during summer when temperatures tend to be in the 80's and cold during winter when temperatures tend to be in the 40's.

The warmest month of the year is July with an average maximum temperature of 95.50 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 30.80 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 23 degrees Fahrenheit, and moderate during winter with an average difference of 24 degrees Fahrenheit.

The annual average precipitation at Westlake is 38.03 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 5.43 Inches.

Weather Data

Normal Climate

Normal Temperatures

(GRAPEVINE DAM Weather station, 8.86 miles from Westlake)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 54.0 59.7 67.8 75.2 82.5 90.3 95.5 95.3 88.3 78.5 65.6 56.8 75.8
Mean °F 42.4 47.6 55.6 63.3 71.6 79.4 84.0 83.4 76.5 65.9 54.2 45.4 64.1
Min °F 30.8 35.5 43.4 51.3 60.6 68.4 72.5 71.5 64.7 53.3 42.7 33.9 52.4

Normal Precipitation

(ROANOKE Weather station, 2.13 miles from Westlake)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 1.88 2.44 3.08 3.70 5.43 3.89 2.31 2.29 2.78 4.67 2.89 2.67 38.03