| < December >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in San Antonio, Texas in December is quite mild at 11.2 °C (52.16 °F).
- Afternoons can be very mild with average high temperatures reaching 17.5 °C (63.5 °F).
- Overnight temperatures are generally cool with an average low of 4.9 °C (40.8 °F).
- The average diurnal temperature variation/ range in December is 12.6 °C (22.7 °F).
- The weather in December is dry with intermittent rain. A mere 38.4mm (1.5in) of liquid is unloaded across an average of 8 days.
- The blue above San Antonio, Texas is fair having on average a moderate 5:50 of bright sunlight per day.
- The shortest day is 10:13 long and the longest day is 10:21 long with an average length of 10:15.
- There are approximately 4:17 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 57.6% of daylight hours and cloudy 42.4% of daylight hours.
Check the distance to and compare the San Antonio, Texas December averages with somewhere beginning with:
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Weather Trend Graph for December in San Antonio, Texas, Usa
Navigate to December Weather in Locations Surrounding San Antonio, Texas:
- Temple, Tx, Usa - 204.7 kms (127.2 miles) NNE
- Lampasas, Tx, Usa - 172.4 kms (107.1 miles) N
- Austin, Tx, Usa - 112.8 kms (70.1 miles) NE
- Brenham, Tx, Usa - 211.6 kms (131.5 miles) ENE
- Luling, Tx, Usa - 80.9 kms (50.3 miles) ENE
- Hallettsville, Tx, Usa - 148 kms (92 miles) E
- Victoria, Tx, Usa - 168.6 kms (104.7 miles) ESE
- Beeville E, Tx, Usa - 144 kms (89.5 miles) SSE
- Alice, Tx, Usa - 176.5 kms (109.7 miles) SSE
- Corpus Christi, Tx, Usa - 216.5 kms (134.5 miles) SSE