St. Helena Parish, LA Climate

St. Helena in Los Angeles County has a typical Mediterranean climate with mild temperatures year round and low annual rainfall. Winters are usually mild and wet, while summers are generally sunny and dry. During the summer months, temperatures can reach the mid-90s during the day, but cool off to the high-60s at night. In late spring and early fall, temperatures are usually between 60–80°F. Rainfall is scarce; typically less than 10 inches per year. Additionally, there is little humidity which makes it comfortable to enjoy outdoor activities throughout the year.

St. Helena County, Louisiana gets 66 inches of rain, on average, per year. The US average is 38 inches of rain per year.

St. Helena 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. Helena County. The US average is 205 sunny days.

St. Helena County gets some kind of precipitation, on average, 106 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 37
Rain: averages 66 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for St. Helena Parish is 7.1 (10=best), which means it is one of the most pleasant places in Louisiana.

4.1 Summer - 7.7 Winter

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

Climate	St. Helena, Louisiana	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	218 days	Unlock
	91.4°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	204 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. Helena Parish with an average high temperature of 91.6°, which ranks it as cooler than most places in Louisiana. In St. Helena Parish, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Helena Parish are April, October and May.

In St. Helena Parish, there are 76.3 days annually when the high temperature is over 90°, which is about average compared to other places in Louisiana.

January has the coldest nighttime temperatures for St. Helena Parish with an average of 37.2°. This is colder than most places in Louisiana.

In St. Helena Parish, there are 32.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Louisiana.

In St. Helena 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. Helena 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. Helena Parish with 6.5 inches of rain, and the driest month is November with 4.5 inches. The wettest season is Autumn with 28% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 66.0 inches in St. Helena Parish means that it is one of the wettest places in Louisiana.

July is the rainiest month in St. Helena Parish with 12.0 days of rain, and October is the driest month with only 6.6 rainy days. There are 106.0 rainy days annually in St. Helena Parish, which is rainier than most places in Louisiana. The rainiest season is Autumn when it rains 32% of the time and the driest is Summer with only a 21% chance of a rainy day.

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

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