Cool
Average highs are around 18°C, so pack for cooler days.
December verdict
Port Arthur, Texas, United States in December
Weather score34Poor
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 122mm, so some wet days are possible.
December weather
Monthly averages
Temp
18°C
Rain
122mm
Sun
4.8h
Weather score
34
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 122mm, so some wet days are possible.
Limited sun
Sunshine averages 4.8h per day, so this is not one of the brighter months.
Map
Weather map
Compare Port Arthur, Texas, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December18°C average high
December is on the cooler side of Port Arthur's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December122mm average rain
December sits near Port Arthur'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.
Sun
December4.8 hours average sun
December is one of Port Arthur's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
December34 weather score
December scores below Port Arthur's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril to June and September to October
These months have the strongest weather score in the monthly averages.
