St. Martin Parish, LA Climate

St. Martin, LA County has a humid subtropical climate with mild winters and hot summers. The average annual temperature is 72 degrees Fahrenheit, with an average high of 89 degrees Fahrenheit in the summer and an average low of 54 degrees Fahrenheit in the winter. Rainfall averages around 50 inches per year, mostly concentrated in April and October. The humidity is generally high throughout the year, reaching over 90% during the summer months. During this season there are frequent thunderstorms that bring heavy rains from tropical depressions originating in the Gulf of Mexico.

St. Martin County, Louisiana gets 63 inches of rain, on average, per year. The US average is 38 inches of rain per year.

St. Martin County averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 218 sunny days per year in St. Martin County. The US average is 205 sunny days.

St. Martin County 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 63 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for St. Martin Parish is 6.9 (10=best), which means it is more comfortable than most places in Louisiana.

3.1 Summer - 7.9 Winter

April, October and November are the most pleasant months in St. Martin Parish, while July and August are the least comfortable months.

Climate	St. Martin, Louisiana	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	218 days	Unlock
	90.9°	85.8°
	Unlock	21.7°
	6.9	Unlock
	Unlock	4.3
	8 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for St. Martin Parish with an average high temperature of 91.5°, which ranks it as cooler than most places in Louisiana. In St. Martin Parish, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Martin Parish are April, October and November.

In St. Martin Parish, there are 69.3 days annually when the high temperature is over 90°, which is cooler than most places in Louisiana.

January has the coldest nighttime temperatures for St. Martin Parish with an average of 41.5°. This is warmer than most places in Louisiana.

In St. Martin Parish, there are 12.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Louisiana.

In St. Martin Parish, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Louisiana.

Humidity in St. Martin Parish can be stifling in the summer, but pleasant for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from May-September and the least humid months are October-April.

June is the wettest month in St. Martin Parish with 7.5 inches of rain, and the driest month is March with 4.0 inches. The wettest season is Autumn with 30% of yearly precipitation and 21% occurs in Summer, which is the driest season. The annual rainfall of 62.6 inches in St. Martin Parish means that it is wetter than most places in Louisiana.

July is the rainiest month in St. Martin Parish with 12.6 days of rain, and April is the driest month with only 6.2 rainy days. There are 106.6 rainy days annually in St. Martin Parish, which is rainier than most places in Louisiana. The rainiest season is Autumn when it rains 33% of the time and the driest is Summer with only a 20% chance of a rainy day.

There is rarely any recorded snowfall in St. Martin Parish, ranking it as one of the least snowy places in Louisiana. Any measurable snowfall is a rare occurance in St. Martin Parish.

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