The most pleasant months of the year for the 70402 zip code are April, October and March. In the 70402 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for the 70402 zip code with an average high temperature of 91.6°, which ranks it as cooler than most places in Louisiana. Any measurable snowfall is a rare occurance in the 70402 zip code. The most uncomfortably humid months are July, August and June.