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Chalmette, LA Weather


Chalmette, 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 91.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 43.30 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 18 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.

The annual average precipitation at Chalmette is 62.96 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is July with an average rainfall of 6.37 Inches.

Weather Data

Normal Climate

Normal Temperatures

(NEW ORLEANS CALLENDER Weather station, 9.12 miles from Chalmette)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 62.0 65.2 71.5 77.4 84.4 89.1 90.9 91.0 87.0 79.4 71.0 64.6 77.8
Mean °F 52.7 55.6 61.8 67.6 75.1 80.3 82.2 82.2 78.6 69.6 61.0 55.0 68.5
Min °F 43.3 46.0 52.0 57.7 65.8 71.5 73.5 73.4 70.2 59.7 51.0 45.4 59.1

Normal Precipitation

(NEW ORLEANS D P S 5 Weather station, 4.27 miles from Chalmette)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 5.76 5.34 5.78 4.73 5.36 5.52 6.37 5.59 5.71 3.09 4.90 4.81 62.96