Located in St. Charles Parish, Hahnville, LA (70057) experiences a humid subtropical climate typical to the region with hot, humid summers and mild winters. Average afternoon highs during the summer peak around 90°F (32°C) while winter temperatures average around 60°F (16°C). Rainfall is common year round with the heaviest occurring from March to June, and snowfall is not unheard of but rarely accumulates on the ground.
Hahnville (zip 70057), Louisiana gets 64 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hahnville (zip 70057) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 219 sunny days per year in Hahnville (zip 70057). The US average is 205 sunny days.
Hahnville (zip 70057) gets some kind of precipitation, on average, 103 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 92 degrees
Winter Low: the January low is 44
Rain: averages 64 inches of rain a year
Snow: averages 0 inches of snow a year