ClimateAverages

San Antonio Weather in December

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
23°C
Clear · feels like 25°C
Humidity
91%
Wind
9 kph S
UV
0
Rain
0%
Updated Jul 9, 06:45 AMWeather data by WeatherAPI.com
December daytime high
18.3°C
December overnight low
5.4°C
December average
11.9°C

In December, San Antonio typically sees daytime highs of 18.3°C and overnight lows around 5.4°C. Compared to the annual average high of 26.8°C, December runs -8.5°C.

vs. annual avg high
-8.5°C
Rank among 12 months
#11 warmest
Hottest year overall
2016

Where December ranks in San Antonio

JanFebMarAprMayJunJulAugSepOctNovDec18°

FAQ

What is the average temperature in San Antonio in December?

December in San Antonio averages a daytime high of 18.3°C and an overnight low of 5.4°C.

Is December warm or cold in San Antonio?

December runs -8.5°C compared to San Antonio's annual average high of 26.8°C, ranking #11 of 12 months by warmth.

What should I pack for San Antonio in December?

Plan for daytime highs near 18.3°C and cooler evenings around 5.4°C.

Other months for San Antonio

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovember

December in nearby cities

HoustonDallasAustinFort WorthEl PasoArlingtonCorpus ChristiPlanoLaredoLubbockGarlandIrving