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 4.8h per day, so this is not one of the brighter months. Rainfall averages 124mm, so some wet days are possible.

Monthly averages
Temp
18°C
Rain
124mm
Sun
4.8h
Sea
16°C
Weather score
28
Poor
Cool
Average highs are around 18°C, so pack for cooler days.
Showers
Rainfall averages 124mm, so some wet days are possible.
Limited sun
Sunshine averages 4.8h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Compare Beaumont, Texas, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
December18°C average high
December is on the cooler side of Beaumont's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
December124mm average rain
December sits near Beaumont's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary to April and October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December4.8 hours average sun
December is one of Beaumont's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
December16°C average sea
December is below Beaumont's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
December28 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 October
These months have the strongest weather score in the monthly averages.