Baton Rouge, LA Climate & Monthly Averages
The climate of Baton Rouge
Set in Louisiana, United States, Baton Rouge works through a humid subtropical year: July afternoons near 90°F (32°C), January afternoons near 61°F (16°C), and about 61.9 inches (1572 mm) of precipitation between them.
Climate quick facts
- Hottest month: July - highs near 90°F (32°C)
- Coldest month: January - highs near 61°F (16°C)
- Decade extremes (2015-2024): 104°F (40°C) high · 16°F (-9°C) low
- Wettest month: August (18 rainy days) · Sunniest: June (11.5 h sun/day)
- Climate type: humid subtropical
- Annual swing: 17°C between the average warmest and coolest month · day to night: 9°C
- Months averaging 30°C or hotter: 4
- Average humidity: 77%
Temperatures through the year
Six of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is February through April. January sits at the other end of the year: 61°F (16°C) by day, 44°F (7°C) at night. At its warmest, in July, Baton Rouge runs to 90°F (32°C) in the afternoon and back to 76°F (25°C) by dawn. The gridded 2015-2024 daily record for this location tops out at 104°F (40°C) and bottoms at 16°F (-9°C) - decade extremes, not all-time station records. June is the brightest month at 11.5 hours of sun a day, against an annual average of 9.2.
Rain, sun and snow
Average highs hold at or above 30°C for 4 months of the year, June through September being the unbroken run. Precipitation concentrates in August - 7.7 inches (196 mm) on 18 days - and thins out by October.
How Baton Rouge compares
- Baton Rouge sits close to the middle of our dataset on most measures: 69°F (20°C) as an annual average, 61.9 inches (1572 mm) of precipitation and 9.2 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 61° | 44° | 10 | 5.1 in | 7.3 h/day | 10.4 h | 33% | 75% |
| February | 66° | 49° | 10 | 4.3 in | 7.4 h/day | 11.1 h | 37% | 77% |
| March | 72° | 55° | 11 | 5.2 in | 8.6 h/day | 11.9 h | 36% | 77% |
| April | 77° | 60° | 12 | 6.0 in | 9.5 h/day | 12.9 h | 39% | 76% |
| May | 84° | 68° | 12 | 5.2 in | 10.8 h/day | 13.7 h | 39% | 77% |
| June | 88° | 74° | 15 | 5.3 in | 11.5 h/day | 14.1 h | 50% | 79% |
| July | 90° | 76° | 18 | 5.7 in | 10.7 h/day | 13.9 h | 58% | 80% |
| August | 90° | 76° | 18 | 7.7 in | 10.2 h/day | 13.2 h | 58% | 79% |
| September | 87° | 72° | 12 | 4.6 in | 10.3 h/day | 12.3 h | 41% | 77% |
| October | 81° | 63° | 7 | 3.3 in | 9.4 h/day | 11.4 h | 22% | 72% |
| November | 71° | 53° | 9 | 3.9 in | 8.0 h/day | 10.6 h | 29% | 75% |
| December | 65° | 49° | 11 | 5.6 in | 6.8 h/day | 10.2 h | 35% | 79% |
Baton Rouge month by month
Average high and low for each month, with the bar showing where it sits in Baton Rouge's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 10 days
- Sunshine
- 7.3 h
- Daylight
- 10.4 h
February
- Rain
- 10 days
- Sunshine
- 7.4 h
- Daylight
- 11.1 h
March
- Rain
- 11 days
- Sunshine
- 8.6 h
- Daylight
- 11.9 h
April
- Rain
- 12 days
- Sunshine
- 9.5 h
- Daylight
- 12.9 h
May
- Rain
- 12 days
- Sunshine
- 10.8 h
- Daylight
- 13.7 h
June
- Rain
- 15 days
- Sunshine
- 11.5 h
- Daylight
- 14.1 h
July
- Rain
- 18 days
- Sunshine
- 10.7 h
- Daylight
- 13.9 h
August
- Rain
- 18 days
- Sunshine
- 10.2 h
- Daylight
- 13.2 h
September
- Rain
- 12 days
- Sunshine
- 10.3 h
- Daylight
- 12.3 h
October
- Rain
- 7 days
- Sunshine
- 9.4 h
- Daylight
- 11.4 h
November
- Rain
- 9 days
- Sunshine
- 8.0 h
- Daylight
- 10.6 h
December
- Rain
- 11 days
- Sunshine
- 6.8 h
- Daylight
- 10.2 h
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Baton Rouge
Spring (March through May)
Spring in Baton Rouge settles into easy warmth, with daytime highs averaging 78°F (25°C) and nights around 61°F (16°C); rain falls on around 35 of the 90 days.
Summer (June through August)
Through summer, Baton Rouge brings hot afternoons: 89°F (32°C) by day, 75°F (24°C) after dark, and rain falls on around 51 of the 90 days. Daylight is generous - around 10.8 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Through fall, Baton Rouge settles into easy warmth: 79°F (26°C) by day, 63°F (17°C) after dark, and expect showers on roughly 28 days across the season.
Winter (December through February)
Winter runs cool rather than cold here - highs near 64°F (18°C), nights near 47°F (9°C), and rain falls on around 32 of the 90 days.
Climate questions, answered
How much sun does Baton Rouge get?
How often does it rain in Baton Rouge?
How humid does Baton Rouge get?
How cold does Baton Rouge get in winter?
Does it rain a lot in Baton Rouge?
Best time to visit Baton Rouge
Aim for January to May and October if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 74°F (23°C) against roughly 10 wet days a month. For the same question asked the other way round, see where else is warm in January.
Pack for Baton Rouge with lightweight, breathable clothing and serious sun protection, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. July nights average 76°F (25°C), so evenings rarely match the afternoons.
Baton Rouge temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.