Baton Rouge weather in August

In August, Baton Rouge sees average daytime highs of 91°F and overnight lows near 74°F, with 5.2 in of rain across 15.7 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 91°F through the month. The sky is clear or mostly clear about 28% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 30 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Baton Rouge's 11th-clearest and 12th-windiest month. For the whole year in context, see Baton Rouge's year-round climate.

Daytime high
91°
1st warmest
Overnight low
74°
11th coldest
Rainfall
5.2 in
15.7 wet days
Daylight
13 h 06 min
5:35 AM – 6:42 PM
Cloud cover
61%
11th clearest
Wind
4 mph
12th windiest
Solar energy
5.58 kWh/m²
Travel score
3.2
out of 10

Baton Rouge is capital city of the U.S. state of Louisiana and seat of East Baton Rouge Parish.

Density
997/km²
people per km²
Founded
1719

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 91°F through the month.

A typical August day in Baton Rouge reaches about 91°F in the afternoon and slips back to 74°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 86°F and 96°F. Set against its neighbours, August runs on par with July and about 3°F warmer than September.

70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19174
29174
39174
49174
59174
69174
79174
89174
99174
109174
119174
129174
139174
149174
159174
169174
179174
189174
199174
209174
219174
229174
239173
249173
259173
269173
279073
289073
299073
309073
319073

How August really feels in Baton Rouge

Once humidity and wind are folded in, August averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Baton Rouge weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan61° / 43°4.99.410.35.2
Feb65° / 46°4.58.910.96.0
Mar72° / 52°4.69.811.86.8
Apr78° / 58°4.58.812.77.0
May85° / 66°4.19.513.55.5
Jun89° / 72°4.713.713.93.7
Jul91° / 74°5.217.113.83.1
Aug91° / 74°5.215.713.13.2
Sep88° / 70°3.910.712.24.5
Oct80° / 59°3.47.611.37.1
Nov70° / 50°3.57.710.57.1
Dec64° / 45°4.59.410.15.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44654
54654
64654
74654
84654
94753
104753
114753
124852
134852
144951
154852
164951
174951
184951
195050
205050
215050
225050
234852
244951
254951
264852
274951
284852
294951
304951
315050

Chance of precipitation in August

Any precipitation

Baton Rouge gets around 5.2 in of rain over 15.7 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 51% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
153
253
352
452
552
652
752
852
952
1052
1152
1252
1352
1453
1553
1653
1753
1852
1952
2052
2151
2251
2351
2450
2550
2649
2749
2848
2947
3047
3146

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10265735
20265735
30265735
40265834
50265834
60275734
70275734
80275734
90275734
100285634
111285534
121295434
131295434
141295434
1512105334
1612105433
1712105433
1813105432
1913115431
2013115530
2113115629
2213125628
2313125727
2414135626
2514135824
2614135923
2715135922
2815145921
2916145920
3026145919
3127146017

Wind in August

Winds average 4 mph in August, the calmest month.

Across August, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 30 min at the start of August to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over August. Sunrise moves from 5:26 AM to 5:44 AM, and sunset from 6:55 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:266:55
213.55:276:55
313.45:276:54
413.45:286:53
513.45:296:52
613.45:296:52
713.35:306:51
813.35:316:50
913.35:316:49
1013.35:326:48
1113.25:326:47
1213.25:336:46
1313.25:346:45
1413.25:346:44
1513.15:356:43
1613.15:356:42
1713.15:366:41
1813.15:376:40
1913.05:376:39
2013.05:386:38
2113.05:396:37
2212.95:396:36
2312.95:406:35
2412.95:406:33
2512.95:416:32
2612.85:426:31
2712.85:426:30
2812.85:436:29
2912.75:436:28
3012.75:446:26
3112.75:446:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.58 kWh/m².

For context, solar energy here swings from a low near 2.63 kWh/m² to a high of 6.17 kWh/m² in May across the year — August's 5.58 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.4Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.2Bright
315.2Bright
Planning a trip in August

Hazard calendar for Baton Rouge

In seasonPeak

In August, Baton Rouge sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Baton Rouge sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Baton Rouge?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2
Sightseeing
11th-best month of the year
5.5
Beach & pool
6th-best month of the year

August is a weaker month for outdoor sightseeing in Baton Rouge.

What to pack for Baton Rouge in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Baton Rouge sees daytime highs around 91°F and nights near 74°F. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Baton Rouge in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Baton Rouge peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 13UV 10Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar6High
Apr10Very high
May10Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Baton Rouge in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Baton Rouge is worst in July — around 24 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1623 µg/m³Jan 249 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar11Good
Apr11Good
May15Moderate
Jun19Moderate
Jul24Moderate
Aug18Moderate
Sep13Moderate
Oct12Good
Nov10Good
Dec9Good
Location & terrain

Where is Baton Rouge?

Baton Rouge sits at 30.4°N, 91.2°W, 46 ft above sea level, in United States. The nearest listed city is Shenandoah, 11 mi away.

Topography around Baton Rouge

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Baton Rouge.

Within 2 miles, the terrain around Baton Rouge has only modest variations in elevation — a maximum elevation change of 89 ft around an average of 39 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 148 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 482 ft.

The land around Baton Rouge is covered by artificial surfaces (35%) and trees (30%) within 2 miles, trees (49%) within 10 miles, and trees (69%) within 50 miles.

2 miles
89 ft
10 miles
148 ft
50 miles
482 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Shenandoah 11 mi · Central 12 mi · Zachary 14 mi · Prairieville 16 mi · Hammond 43 mi · New Iberia 48 mi · Laplace 50 mi · Lafayette 52 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Baton Rouge (30.4433°, -91.1875°, elevation 46 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).