Climate averages 1991–2020

Baton Rouge weather
in July.

A hot, wet month: the 2nd warmest and the 11th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 31.9°C Daytime mean, July

Average low 24.1°C Night-time mean, July

Rainfall 132 mm 17 days with ≥1 mm

Daylight 14 h Sunrise to sunset, per day

July is a hot month in Baton Rouge: daytime highs average 31.9°C and nights cool to about 24.1°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 132 mm of rain on roughly 17 days, which makes July a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 54 min on an average July day.

The nearest other city in this atlas is Lafayette (Louisiana), United States (84 km away). In July its highs average 31.8°C, about as warm as Baton Rouge, with 124 mm of rain.

Among the 498 cities listed in the United States, Baton Rouge ranks joint 137th of 498 for the warmest July highs and joint 466th of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Baton Rouge is 1.6°C warmer than that mean.

From July to August, average highs rise by 0.1°C to 32.0°C, and monthly rainfall rises from 132 mm to 133 mm.

The annual picture

July in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Baton Rouge climate table

1991–2020

Monthly climate averages for Baton Rouge, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	15.9°C6.9°C	6.9°C	124	9.4	10.410 h
February	18.1°C8.7°C	8.7°C	115	8.9	11.111 h
March	21.4°C11.7°C	11.7°C	118	9.8	12.012 h
April	25.0°C15.2°C	15.2°C	115	8.8	12.913 h
May	28.9°C19.5°C	19.5°C	105	9.5	13.714 h
June	31.3°C22.9°C	22.9°C	120	13.6	14.114 h
July, selected	31.9°C24.1°C	24.1°C	132	17.0	13.914 h
August	32.0°C24.0°C	24.0°C	133	15.7	13.213 h
September	30.1°C21.8°C	21.8°C	100	10.7	12.412 h
October	26.2°C16.7°C	16.7°C	86	7.6	11.511 h
November	20.8°C11.3°C	11.3°C	89	7.7	10.611 h
December	17.1°C8.1°C	8.1°C	112	9.3	10.210 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

July in nearby cities

Distance from Baton Rouge

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Baton Rouge) is explained once on the Baton Rouge year overview and on the Sources, method and limits page.