Home

Port Sulphur, LA Weather


Port Sulphur, 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 July 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 43.60 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 15 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.

The annual average precipitation at Port Sulphur is 61.64 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is July with an average rainfall of 7.66 Inches.

Weather Data

Normal Climate

Normal Temperatures

(LSU CITRUS RESEARCH STN Weather station, 10.25 miles from Port Sulphur)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 62.6 65.4 70.5 76.9 83.7 88.6 90.9 90.0 86.8 80.0 72.6 65.9 77.8
Mean °F 53.1 55.8 62.0 68.6 76.3 81.4 83.2 82.6 79.9 71.8 63.9 56.4 69.6
Min °F 43.6 46.2 53.4 60.3 68.9 74.2 75.4 75.2 73.0 63.6 55.1 46.9 61.3

Normal Precipitation

(LSU CITRUS RESEARCH STN Weather station, 10.25 miles from Port Sulphur)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 5.35 4.69 5.70 4.15 3.88 6.33 7.66 6.55 6.68 2.76 4.10 3.79 61.64