Cool
Average highs are around 18°C, so pack for cooler days.
December verdict
Katy, Texas, United States in December
Weather score37Poor
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 4.7h per day, so this is not one of the brighter months. Rainfall averages 79mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
18°C
Rain
79mm
Sun
4.7h
Weather score
37
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 79mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.7h per day, so this is not one of the brighter months.
Map
Weather map
Compare Katy, Texas, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December18°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.
Rain
December79mm average rain
December sits on the drier side of Katy's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April, July, and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December4.7 hours average sun
December is one of Katy's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
December37 weather score
December scores below Katy's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril to October
These months have the strongest weather score in the monthly averages.
