Cool
Average highs are around 14°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 5.5h per day, enough for a balanced month. Rainfall averages 56mm, which is relatively low for holiday planning.

Monthly averages
Temp
14°C
Rain
56mm
Sun
5.5h
Weather score
36
Poor
Cool
Average highs are around 14°C, so pack for cooler days.
Drier
Rainfall averages 56mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Map
Compare Plano, Texas, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
December14°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
December56mm average rain
December is one of Plano's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to February, July to August, and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December5.5 hours average sun
December is one of Plano's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
December36 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 monthsMay to September
These months have the strongest weather score in the monthly averages.
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