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Zachary, LA Weather


Zachary, LA climate is hot during summer when temperatures tend to be in the 80's and cool during winter when temperatures tend to be in the 50's.

The warmest month of the year is August with an average maximum temperature of 90.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 40.20 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 19 degrees Fahrenheit, and moderate during winter with an average difference of 20 degrees Fahrenheit.

The annual average precipitation at Zachary is 63.44 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is January with an average rainfall of 6.59 Inches.

Weather Data

Normal Climate

Normal Temperatures

(BATON ROUGE RYAN AP Weather station, 8.19 miles from Zachary)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 60.0 63.9 71.0 77.3 84.0 89.2 90.7 90.9 87.4 79.7 70.1 62.8 77.3
Mean °F 50.1 53.5 60.3 66.6 74.0 79.7 81.7 81.4 77.5 68.1 59.0 52.4 67.0
Min °F 40.2 43.1 49.6 55.8 64.1 70.2 72.7 71.9 67.5 56.4 47.9 42.1 56.8

Normal Precipitation

(ZACHARY Weather station, 2.69 miles from Zachary)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 6.59 5.17 5.19 5.56 5.66 5.33 5.12 5.61 4.74 4.25 4.53 5.69 63.44