The climate in 70556 Mermentau, LA can be described as humid and subtropical. Summers are generally hot and humid due to the area鈥檚 proximity to the Gulf of Mexico. Winters are mild, with occasional cold spells. Rainfall is spread throughout the year, but summer months tend to be rainier than winter months. Hurricanes can cause severe weather in this region from August through November each year.
Mermentau (zip 70556), Louisiana gets 61 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mermentau (zip 70556) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 215 sunny days per year in Mermentau (zip 70556). The US average is 205 sunny days.
Mermentau (zip 70556) gets some kind of precipitation, on average, 107 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 91 degrees
Winter Low: the January low is 42
Rain: averages 61 inches of rain a year
Snow: averages 0 inches of snow a year