Lafayette, LA's geography provides a wide range of weather. Typically a warm, moist climate, Lafayette, LA enjoys a long growing season with plenty of rainfall. The Gulf of Mexico provides hot and humid weather in the summer with afternoon showers and thunderstorms nearly every day from June to August. Average rainfall is 61 inches annually but the parish still averages 214 days of sunshine per year. Lafayette, LA does get a brief taste of winter with January temperatures falling into the 30s and 40s overnight in most occasions. Some nights may dip below freezing, but Lafayette only averages five days annually of sub-freezing weather. Snowfall is rare with measurable snow every few years or so.
Spring and fall offer pleasant conditions with average temperatures in the 70s and 80s during the day and temperatures in the 50s and 60s at night. Typically, the spring is moist with severe weather possible. Autumn is usually the driest part of the year. Being close to the Gulf of Mexico, Lafayette, LA is prone to hurricanes. Hurricane season lasts from June1 to Nov. 30.