NOAA NCEI Climate Normals 1991–2020

Louisiana Weather by Month

Temperature, rain and the hurricane season at 77 Louisiana stations, month by month.

Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated October 26, 2026

The median station records 60.2 inches of precipitation a year; Thibodaux 4 SE, LA records the most, 71.3 inches, and Shreveport Dwtn Airport, LA the least, 49.1 (1.5 times as much). August is the hottest month at the median station (average high 92°F); the hottest August is at Natchitoches, LA, 96°F. January is the coldest (average low 39°F); the coldest January nights are at Homer 1N, LA, 32°F. Highs reach 90°F on 86 days a year at the median station and on 111 at Eunice, LA, the most. Snowfall is heaviest at Shreveport WFO, LA, 1.4 inches a year; 45 of the 55 stations that measure snow average less than half an inch.

This page compares the 1991–2020 NOAA climate normals of 77 Louisiana weather stations, each the nearest station with full normals to at least one of the 245 Louisiana cities on this site that have one within 25 miles.

At the median station, June is the wettest month (5.8 inches) and September the driest (4.4). Station by station, the wettest month is June at 19, January at 15 and April at 14 of the 77, and the driest August at 21, March at 14 and November at 12. The gap between the wettest and driest station is widest in July: 6.6 inches.

Month by month across Louisiana

Louisiana climate normals by month: median of 77 stations and the station at each extreme
Month	High °F	Low °F	Precip. in	Hottest days	Coldest nights	Wettest	Driest
Jan	60	39	5.6	New Orleans Audubon, LA64°	Homer 1N, LA32°	Bunkie, LA6.8"	Shreveport WFO, LA4.2"
Feb	64	42	4.6	New Orleans Audubon, LA68°	Homer 1N, LA35°	Bienville 3 NE, LA5.6"	Lake Charles, LA3.3"
Mar	71	49	4.9	New Orleans Audubon, LA75°	Homer 1N, LA42°	Winnfield 3 N, LA6.1"	New Iberia Acadiana Regional Airport, LA2.9"
Apr	78	56	5.2	New Orleans Audubon, LA81°	Homer 1N, LA49°	Rayville, LA6.7"	Houma, LA4.0"
May	84	64	4.9	New Orleans Audubon, LA88°	Homer 1N, LA59°	Amite, LA6.4"	Lsu Citrus Rsch Stn, LA3.4"
Jun	90	71	5.8	New Orleans Audubon, LA93°	Homer 1N, LA66°	Thibodaux 4 SE, LA8.7"	Monroe 26 N, LA3.8"
Jul	92	73	4.8	Natchitoches, LA95°	Homer 1N, LA70°	Galliano, LA9.2"	Mansfield 4 NW, LA2.6"
Aug	92	73	4.7	Natchitoches, LA96°	Monroe 26 N, LA69°	Thibodaux 4 SE, LA8.5"	Shreveport Dwtn Airport, LA2.7"
Sep	88	68	4.4	Natchitoches, LA90°	Monroe 26 N, LA62°	New Orleans Alvin Callender Fl, LA6.8"	Mansfield 4 NW, LA3.2"
Oct	80	57	4.7	New Orleans Audubon, LA83°	Monroe 26 N, LA50°	Lsu Dean Lee Rsch Stn, LA5.5"	New Orleans Alvin Callender Fl, LA3.6"
Nov	70	46	4.4	New Orleans Audubon, LA73°	Homer 1N, LA40°	Elizabeth, LA5.8"	Lsu Citrus Rsch Stn, LA3.0"
Dec	62	41	5.3	Lsu Citrus Rsch Stn, LA67°	Homer 1N, LA34°	De Ridder, LA6.4"	Buras, LA3.9"

High, low and precipitation are the median of the 77 stations; the station columns name the station with the highest average high, the lowest average low, and the most and least precipitation that month, each linked to the city page it serves. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Hurricane season in Louisiana

June to November, the hurricane season months, bring 48% of the year's precipitation at the median station, from 42% at Tallulah, LA to 59% at Houma, LA. Since 1851, 159 tropical systems have passed within 75 miles of a Louisiana city on this site, 71 of them at hurricane strength at their closest point to one; September has brought the most (69), then August (36). 1 came outside June to November.

Tropical systems near Louisiana cities by month since 1851, with median precipitation
Month	Tropical systems	At hurricane strength	Median precip. in
Jan	0	0	5.6
Feb	0	0	4.6
Mar	0	0	4.9
Apr	0	0	5.2
May	1	0	4.9
Jun	16	4	5.8
Jul	13	4	4.8
Aug	36	20	4.7
Sep	69	30	4.4
Oct	23	13	4.7
Nov	1	0	4.4
Dec	0	0	5.3

Tropical systems from NOAA NHC HURDAT2 that passed within 75 miles of a Louisiana city on this site, each counted once, in the month of its first such pass; hurricane strength is the track's wind at its closest point to a city.

Coastal water temperature by month

Across 9 NOAA tide stations, the water is warmest in August (median 88°F, up to 93°F at Bulk Terminal, LA) and coolest in January (median 56°F, down to 48°F at Carrollton, LA). The median station averages 80°F or warmer in May, June, July, August and September.

Average water temperature by month at NOAA tide stations in Louisiana, 2021–2025
Station	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lake Charles, LA	59	61	68	74	81	87	89	89	86	79	70	63
Bulk Terminal, LA	62	64	72	78	83	90	92	93	89	83	75	68
New Canal Station, LA	56	58	66	72	80	85	88	90	85	78	68	63
Carrollton, LA	48	47	54	64	72	81	87	88	85	78	66	55
Shell Beach, LA	53	57	64	70	78	84	85	86	82	72	63	58
West Bank 1, Bayou Gauche, LA	56	61	68	74	82	87	88	88	84	76	67	61
Berwick, Atchafalaya River, LA	49	50	57	66	74	82	87	87	84	77	65	55
Grand Isle, LA	59	62	68	73	81	86	88	88	85	78	70	64
Pilottown, LA	49	47	54	63	72	80	86	87	84	78	68	57

°F, average of hourly readings 2021–2025; a month counts when at least three years have half their hours on record. Source: NOAA Tides & Currents; the newest readings are preliminary.

Louisiana cities and their stations

Louisiana city pages with the normals of their nearest station
City	Station	Miles	Hottest month high °F	Coldest month low °F	Year precip. in
New Orleans	Terrytown 3S, LA	5	92	45	66.0
Baton Rouge	Lsu Ben-Hur Farm, LA	6	91	40	60.6
Shreveport	Shreveport, LA	4	95	37	51.5
Lafayette	Lafayette, LA	2	92	41	64.8
Metairie	New Orleans International Airport, LA	4	91	46	63.3
Lake Charles	Lake Charles, LA	6	93	43	59.8
Slidell	Slidell, LA	<1	90	42	66.4
Houma	Houma, LA	7	91	44	65.6
Monroe	Monroe Regional Airport, LA	2	94	37	55.3
Denham Springs	Baton Rouge Ryan Airport, LA	13	92	42	62.0
Bossier City	Shreveport Dwtn Airport, LA	4	95	39	49.1
Kenner	New Orleans International Airport, LA	2	91	46	63.3
Gretna	Terrytown 3S, LA	<1	92	45	66.0
New Iberia	New Iberia Acadiana Regional Airport, LA	5	92	43	59.8
West Monroe	Monroe Regional Airport, LA	8	94	37	55.3
Alexandria	Alexandria, LA	2	92	39	61.0
Marrero	New Orleans Audubon, LA	4	94	47	64.7
Hammond	Hammond 5 E, LA	6	92	38	64.4
Prairieville	Carville 2 SW, LA	14	90	43	62.7
Gonzales	Carville 2 SW, LA	12	90	43	62.7
Sulphur	Lake Charles, LA	12	93	43	59.8
Harvey	Terrytown 3S, LA	3	92	45	66.0
Opelousas	Grand Coteau, LA	8	92	41	61.6
Pineville	Alexandria, LA	4	92	39	61.0
Ruston	Ruston La Tech, LA	1	93	35	55.8
Ponchatoula	Hammond 5 E, LA	6	92	38	64.4
Westwego	New Orleans Audubon, LA	3	94	47	64.7
Youngsville	Lafayette Regional Airport, LA	7	92	44	62.9
Harahan	New Orleans International Airport, LA	4	91	46	63.3
Natchitoches	Natchitoches, LA	2	96	39	56.1
Walker	Baton Rouge Ryan Airport, LA	18	92	42	62.0
Chalmette	Terrytown 3S, LA	5	92	45	66.0
Haughton	Benton 5E, LA	11	93	34	54.0
Bastrop	Bastrop, LA	6	91	34	58.3
Carencro	Grand Coteau, LA	6	92	41	61.6
Ville Platte	Eunice, LA	17	93	40	57.8
Eunice	Eunice, LA	<1	93	40	57.8
Baker	Baton Rouge Ryan Airport, LA	3	92	42	62.0
Minden	Minden, LA	2	95	34	57.7
Belle Chasse	New Orleans Alvin Callender Fl, LA	<1	90	43	64.1

The 40 largest of 110 Louisiana city pages in search. All Louisiana cities and their storm history →

How stations are matched to cities and what normals are: methodology · other states by month

Month	Tropical systems	At hurricane strength	Median precip. in
Jan	0	0	5.6
Feb	0	0	4.6
Mar	0	0	4.9
Apr	0	0	5.2
May	1	0	4.9
Jun	16	4	5.8
Jul	13	4	4.8
Aug	36	20	4.7
Sep	69	30	4.4
Oct	23	13	4.7
Nov	1	0	4.4
Dec	0	0	5.3

Month	Tropical systems	At hurricane strength	Median precip. in
Jan	0	0	5.6
Feb	0	0	4.6
Mar	0	0	4.9
Apr	0	0	5.2
May	1	0	4.9
Jun	16	4	5.8
Jul	13	4	4.8
Aug	36	20	4.7
Sep	69	30	4.4
Oct	23	13	4.7
Nov	1	0	4.4
Dec	0	0	5.3

Month	Tropical systems	At hurricane strength	Median precip. in
Jan	0	0	5.6
Feb	0	0	4.6
Mar	0	0	4.9
Apr	0	0	5.2
May	1	0	4.9
Jun	16	4	5.8
Jul	13	4	4.8
Aug	36	20	4.7
Sep	69	30	4.4
Oct	23	13	4.7
Nov	1	0	4.4
Dec	0	0	5.3