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The climate of Louisiana (United States of America)
The state of Louisiana is located in the southeastern part of the United States of America on the Gulf of Mexico. Louisiana borders the states of Arkansas, Mississippi and Texas. The border with Mississippi partially consists of the Mississippi River. Louisiana is a fairly flat state, the highest point is located at an altitude of only 163 meters above sea level. Along the coast large swamp lands can be found; in total they cover an area of 50,000 square kilometers. Louisiana has a warm maritime climate type Cfa according to the Köppen climate classification. The subtropical character is mainly determined by its location on the Gulf of Mexico. Because of this winters are very mild and summers are very warm and wet. From May till September maximum temperatures are between 30-35 degrees Celsius (86-95 degrees Fahrenheit). Precipitation is quite evenly spread out over the year with a small peak during the summer. From July till December there is a risk of tropical storms and hurricanes which come from the Gulf of Mexico. Because the coastline of Louisiana is located just above or even below sea level there is a risk of floods caused by hurricanes. Unfortunately, several lows have been recorded in the history of Louisiana where floods are concerned. In 2005 hurricane Katrina caused about 80% of the city of New Orleans to flood.

Climate information of places in Louisiana
The climate information given on this page is only brief. Specific information on weather and climate can be found on the pages per region or city. The following climate information is available for Louisiana:

Baton Rouge
Lake Charles
New Orleans


Climate information
Throughout Louisiana several climate figures and temperatures can be recorded. The figures below are for Baton Rouge and cannot be seen as an average for this state. For climate figures for other places and regions in Louisiana please, visit the individual climate pages.

temperature (°C)


temperature (°C)
hours of sunshine

average days with precipitation
per month
per month
temperature (°C)
January 16 4 5 10 n/a
February 18 6 6 9 n/a
March 22 10 7 9 n/a
April 27 14 8 7 n/a
May 30 18 9 8 n/a
June 33 21 9 10 n/a
July 33 23 8 13 n/a
August 33 23 8 12 n/a
September 31 20 8 10 n/a
October 27 14 8 6 n/a
November 22 10 6 8 n/a
December 18 6 5 10 n/a
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate tables are useful but they don’t give an overall picture of the climate and possible weather conditions during a period of time. How high the chances are of hot or cold weather or hurricanes can often not be found in these tables. This is why we offer extra climate information per month. The figures below apply to Baton Rouge. For climate figures on specific regions and places please, visit the relevant individual climate pages

chance of
(very) hot


chance of
(very) cool
chance of

chance of
chance of
sunny days


click here for the explanation of the symbols

The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.


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