Cool
Average highs are around 18°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 5h per day, enough for a balanced month. Rainfall averages 142mm, so some wet days are possible.
Monthly averages
Temp
18°C
Rain
142mm
Sun
5h
Weather score
30
Poor
Cool
Average highs are around 18°C, so pack for cooler days.
Showers
Rainfall averages 142mm, so some wet days are possible.
Some sun
Sunshine averages 5h per day, enough for a balanced month.
Map
Compare Baton Rouge, Louisiana, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
December18°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
December142mm average rain
December sits near Baton Rouge's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsOctober to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December5 hours average sun
December is one of Baton Rouge's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
December30 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsApril to June and September to October
These months have the strongest weather score in the monthly averages.
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