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Climate in Baton Rouge LA

August is the hottest month in Baton Rouge LA, with an average high of 91°F / 33°C; January is the coldest (60°F / 15°C). August is the wettest month, averaging 3.0 in / 75 mm of precipitation.

MonthHigh °F / °CLow °F / °CPrecip in / mmWet days
Jan60 / 1539 / 41.5 / 393
Feb64 / 1843 / 61.5 / 373
Mar71 / 2249 / 101.4 / 362
Apr77 / 2555 / 131.8 / 453
May84 / 2963 / 171.8 / 464
Jun89 / 3270 / 211.7 / 444
Jul90 / 3272 / 222.8 / 717
Aug91 / 3372 / 223.0 / 756
Sep87 / 3168 / 201.6 / 403
Oct79 / 2657 / 141.3 / 332
Nov69 / 2046 / 80.6 / 161
Dec62 / 1642 / 51.1 / 272

Extremes since 1973: highest 104°F / 40°C (September 1, 2000), lowest 3°F / -16°C (January 21, 1985).

Daylight lasts about 14.0 hours in June and 10.0 hours in December.

Data: Meteostat — McComb / Fernwood, 1991–2020 averages.