Jamestown, LA has a humid subtropical climate with hot summers and mild winters. The average temperature in summer is around 85°F, while winter temperatures are usually between 50-60°F. Precipitation is abundant throughout the year, with June being the wettest month and November the driest. Jamestown typically experiences several days of thunderstorms each year, mainly in the spring and summer months. The area also benefits from cool breezes coming off of Lake Ponchartrain to the north which help to moderate temperatures slightly during both summer and winter months.
Jamestown, Louisiana gets 55 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Jamestown averages 1 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 214 sunny days per year in Jamestown. The US average is 205 sunny days.
Jamestown gets some kind of precipitation, on average, 95 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 34
Rain: averages 55 inches of rain a year
Snow: averages 1 inches of snow a year