Louisiana climate: Statewide normals, its places and each month, NOAA 1991-2020

Louisiana's statewide normal is 67.1°F a year with 59.7 inches of precipitation (NOAA nClimDiv, 1991-2020); it has warmed 0.7°F per century since 1895, and 2023 was its warmest year.

Statewide normal temperature
67.1°Fyear, 1991-2020
Statewide normal precipitation
59.7 inyear, 1991-2020
Last five years against normal
+1.3°F2021-2025 mean 68.4°F
Places with normals
9865 Census places, 33 other stations

What is Louisiana's weather like each month?

Statewide, July is the warmest month and January the coldest. Each month has its own page with the warmest and coolest places that month:

  1. Jan60°40°
  2. Feb64°43°
  3. Mar71°49°
  4. Apr78°56°
  5. May84°64°
  6. Jun90°71°
  7. Jul92°73°
  8. Aug92°72°
  9. Sep88°67°
  10. Oct80°56°
  11. Nov69°47°
  12. Dec62°42°
Louisiana statewide normals by month, 1991-2020 (NOAA nClimDiv)
MonthHighLowMeanPrecip.
January60°F40°F49.9°F5.66
February64°F43°F53.7°F4.65
March71°F49°F60.1°F4.75
April78°F56°F66.7°F5.14
May84°F64°F74.2°F4.88
June90°F71°F80.3°F5.52
July92°F73°F82.4°F5.31
August92°F72°F82.3°F5.10
September88°F67°F77.8°F4.49
October80°F56°F68.1°F4.47
November69°F47°F58.2°F4.53
December62°F42°F51.8°F5.23

Source: NOAA NCEI nClimDiv statewide series (Climate at a Glance); data files. Statewide values are area-weighted from a 5 km grid of station data, so they differ from the simple average of a state's stations.

Has Louisiana been warmer than normal?

5 of the 5 complete years since 2021 ran warmer than the 1991-2020 statewide normal of 67.1°F. The record since 1895 rises at a fitted 0.7°F per century; the warmest year was 2023 (69.6°F).

Louisiana statewide mean temperature in recent years
YearMeanAgainst normal
202167.5°F+0.4°F
202267.3°F+0.1°F
202369.6°F+2.5°F
202469.3°F+2.2°F
202568.5°F+1.4°F

Source: NOAA NCEI nClimDiv statewide annual series.

Where is it warmest, wettest and snowiest in Louisiana?

Among the places PlainClimate covers, New Orleans has the warmest year (70.5°F) and Homer the coolest (62.8°F); Thibodaux is the wettest (71.1 in) and Mooringsport the driest (50.8 in), and Farmerville gets the most snow (1 in).

New Orleans: 70.5°F a yearBaton Rouge: 68.5°F a yearShreveport: 66.6°F a yearLafayette: 69.4°F a yearLake Charles: 69.7°F a yearMonroe: 65.7°F a yearAlexandria: 66.9°F a yearMarrero: 68.4°F a yearHouma: 69.6°F a yearSlidell: 67.7°F a yearNew Iberia: 69.2°F a yearTerrytown: 70.3°F a yearHammond: 66.8°F a yearChalmette: 69.9°F a yearRuston: 64.8°F a yearNatchitoches: 68.3°F a yearThibodaux: 70.1°F a yearCovington: 67.0°F a yearMoss Bluff: 67.9°F a yearCrowley: 68.2°F a yearMinden: 65.3°F a yearMorgan City: 70.1°F a yearBogalusa: 67.3°F a yearJennings: 67.8°F a yearEunice: 67.7°F a yearBastrop: 63.3°F a yearReserve: 69.1°F a yearDonaldsonville: 68.2°F a yearGalliano: 69.4°F a yearFranklin: 68.8°F a yearTallulah: 66.1°F a yearLeesville: 66.2°F a yearSt. Martinville: 67.9°F a yearWinnsboro: 65.9°F a yearJeanerette: 67.7°F a yearMansfield: 65.5°F a yearNew Roads: 68.8°F a yearJena: 65.0°F a yearWinnfield: 65.3°F a yearFarmerville: 64.9°F a yearLake Providence: 64.6°F a yearRayville: 66.6°F a yearBunkie: 67.3°F a yearBrusly: 67.3°F a yearLake Arthur: 69.0°F a yearHomer: 62.8°F a yearMany: 64.6°F a yearBenton: 64.4°F a yearJonesville: 65.2°F a yearSt. Francisville: 66.2°F a yearRosepine: 66.5°F a yearClinton: 65.6°F a yearOberlin: 66.5°F a yearBoyce: 65.0°F a yearHackberry: 69.5°F a yearSt. Joseph: 65.5°F a yearGrand Coteau: 68.3°F a yearBuras: 70.3°F a yearMooringsport: 65.3°F a yearBoothville: 70.3°F a yearElizabeth: 66.9°F a yearCalhoun: 63.8°F a yearColumbia: 65.5°F a yearAshland: 64.4°F a yearBienville: 65.2°F a yearNew OrleansBaton RougeShreveport
Louisiana: the places PlainClimate covers by their normal yearly mean temperature: from the coolest place (62.8°F a year, blue) to the warmest (70.5°F, red); each dot is a place's NOAA station.
Louisiana: every place PlainClimate covers, with its NOAA 1991-2020 normals (largest first)
PlaceYearJuly highJanuary lowPrecip.SnowLast frost
New Orleans70.5°F91°F46°F63.40January 30
Baton Rouge68.5°F92°F42°F61.90February 25
Shreveport66.6°F94°F37°F51.41March 9
Lafayette69.4°F92°F44°F62.8–February 13
Lake Charles69.7°F92°F43°F59.8–February 14
Monroe65.7°F93°F37°F55.1–March 8
Alexandria66.9°F93°F39°F54.5–March 2
Marrero68.4°F90°F43°F66.1–February 10
Houma69.6°F91°F44°F65.40February 5
Slidell67.7°F91°F41°F61.9–March 3
New Iberia69.2°F92°F43°F59.7–February 14
Terrytown70.3°F92°F45°F65.90February 1
Hammond66.8°F92°F38°F64.2–March 8
Chalmette69.9°F92°F44°F70.4–February 10
Ruston64.8°F92°F35°F55.60March 11
Natchitoches68.3°F95°F39°F55.90February 28
Thibodaux70.1°F92°F45°F71.10February 5
Covington67.0°F90°F40°F62.50March 12
Moss Bluff67.9°F92°F40°F69.3–March 2
Crowley68.2°F91°F42°F63.5–February 20
Minden65.3°F94°F34°F57.60March 17
Morgan City70.1°F91°F45°F58.50January 30
Bogalusa67.3°F92°F39°F63.90March 2
Jennings67.8°F90°F42°F63.50February 19
Eunice67.7°F92°F40°F57.90February 26
Bastrop63.3°F91°F34°F58.40March 15
Reserve69.1°F92°F43°F67.20February 9
Donaldsonville68.2°F91°F42°F63.40February 21
Galliano69.4°F89°F45°F66.70February 8
Franklin68.8°F90°F44°F65.30February 11
Tallulah66.1°F93°F38°F53.4–March 3
Leesville66.2°F93°F37°F59.3–March 20
St. Martinville67.9°F91°F42°F66.40February 21
Winnsboro65.9°F94°F36°F––March 7
Jeanerette67.7°F90°F42°F65.50February 15
Mansfield65.5°F93°F36°F53.40March 8
New Roads68.8°F92°F42°F58.50February 19
Jena65.0°F91°F36°F59.51March 19
Winnfield65.3°F93°F36°F57.70March 13
Farmerville64.9°F92°F36°F58.21March 14
Lake Providence64.6°F91°F36°F58.81March 5
Rayville66.6°F93°F38°F60.01February 28
Bunkie67.3°F93°F39°F61.60February 28
Brusly67.3°F91°F40°F64.5–February 28
Lake Arthur69.0°F91°F44°F59.90February 10
Homer62.8°F92°F32°F57.01March 30
Many64.6°F92°F35°F56.30March 20
Benton64.4°F92°F34°F54.0–March 14
Jonesville65.2°F90°F37°F59.50March 6
St. Francisville66.2°F91°F36°F––March 2
Rosepine66.5°F92°F39°F60.50March 8
Clinton65.6°F90°F38°F59.70March 13
Oberlin66.5°F90°F39°F61.80March 1
Boyce65.0°F89°F39°F60.80March 2
Hackberry69.5°F90°F44°F60.10February 3
St. Joseph65.5°F93°F36°F58.20March 13
Grand Coteau68.3°F92°F41°F61.6–February 28
Buras70.3°F90°F47°F62.80January 25
Mooringsport65.3°F94°F35°F50.80March 6
Boothville70.3°F89°F48°F53.9–January 23
Elizabeth66.9°F92°F38°F62.1–March 3
Calhoun63.8°F93°F33°F57.60March 28
Columbia65.5°F93°F37°F59.30March 5
Ashland64.4°F92°F34°F56.71March 24
Bienville65.2°F93°F36°F60.81March 19

Source: NOAA NCEI 1991-2020 normals for each station. Last frost: the median last spring date of 32°F.

What are Louisiana's all-time weather records?

The official state records, reviewed by NOAA's State Climate Extremes Committee: from 114°F to −16°F.

Louisiana: official all-time records (NOAA State Climate Extremes Committee)
RecordValueWhereWhen
Highest temperature114°FPlain Dealing 4WAugust 10, 1936
Lowest temperature−16°FMindenFebruary 13, 1899
Most precipitation in 24 hours22 inHackberryAugust 28, 1962
Most snow in 24 hours13 inColfaxFebruary 13, 1960
Deepest snow on the ground24 inRayneFebruary 15, 1895

Source: NOAA NCEI State Climate Extremes Committee records.

Which large cities in Louisiana have no climate record of their own?

These 3 cities of 50,000 or more have no NOAA record with 1991-2020 normals under their own name; each page compares the nearest records, with their distance and elevation.

Which other NOAA stations in Louisiana keep normals?

33 stations in Louisiana that are not a town's own record keep 1991-2020 normals too: reservoirs and dams, parks and forests, research farms, remote sites and the second stations of towns (those are shown on the town's page). Each with its normal yearly mean:

Source: NOAA NCEI 1991-2020 normals for each station.

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