Jefferson Parish, Louisiana 

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Climate in Jefferson Parish, Louisiana

Jefferson County, Louisiana gets 64 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 219 sunny days per year in Jefferson County. The US average is 205 sunny days.

Jefferson County gets some kind of precipitation, on average, 111 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 45
Rain: averages 64 inches of rain a year
Snow: averages 0 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Jefferson Parish is 6.7 (10=best), which means it is less comfortable than most places in Louisiana.

2.2 / 8.2

Summer   /   Winter
April, October and November are the most pleasant months in Jefferson Parish, while July and August are the least comfortable months.

Climate Averages
  Jefferson, LouisianaUnited States
  63.6 in.38.1 in.
  0.0 in.27.8 in.
  110.9 days106.2 days
  219 days205 days
  91.5°85.8°
  44.7°21.7°
  6.77
  64.3
  4 ft.2443 ft.
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 Jefferson Parish with an average high temperature of 91.5°, which ranks it as cooler than most places in Louisiana. In Jefferson Parish, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Jefferson Parish are April, October and November.


In Jefferson Parish, there are 74.0 days annually when the high temperature is over 90°, which is cooler than most places in Louisiana.


January has the coldest nighttime temperatures for Jefferson Parish with an average of 44.7°. This is one of the warmest places in Louisiana.


In Jefferson Parish, there are 5.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Louisiana.


In Jefferson 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 Jefferson Parish can be oppressive in the summer, but pleasant for much of the year. The humidity here has been described as stifling in July and August. The humid season extends from May-October and the most comfortable months are November-April.


June is the wettest month in Jefferson Parish with 7.5 inches of rain, and the driest month is October with 3.8 inches. The wettest season is Autumn with 33% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 63.6 inches in Jefferson Parish means that it is wetter than most places in Louisiana.


July is the rainiest month in Jefferson Parish with 14.2 days of rain, and April is the driest month with only 6.1 rainy days. There are 110.9 rainy days annually in Jefferson Parish, which is rainier than most places in Louisiana. The rainiest season is Autumn when it rains 36% of the time and the driest is Summer with only a 19% chance of a rainy day.


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





  • Annual Rainfall (US Avg: 36.5")
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    MAPS OF JEFFERSON PARISH, LOUISIANA
    ZIP CODES IN JEFFERSON PARISH, LOUISIANA
    70072, 70065, 70003, 70056, 70001, 70058, 70094, 70123, 70005, 70002, ... 17 more


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