Measurements:
°C
°F
San Antonio
62°F
E 5 mph
Feels like: 62°F
Precip: 0%
World Resorts Chile San Antonio Weather December Weather in San Antonio

San Antonio Weather: December

Average Day Temperature: 67.7°F
Average Night Temperature: 56.3°F
Sea Water Temperature: 58.9°F
Number of Sunny Days: 28 days
Sunshine Hours: 14.2 - 14.4 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.0 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 69°F. The lowest night temperature was 52°F. The average values for day and night temperatures during December were 64.4°F и 54.9°F respectivly.

San Antonio Water Sea Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2023 for San Antonio was 59.9°F. The maximum and minimum values were 56.8°F and 64.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Precipitation total in December for San Antonio is 0.0 in. It makes december one of the least rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 8.3 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Antonio in December is 13.0 hours.

Best Time to Visit San Antonio
The most sunny months:
January 29 days
March 28 days
December 28 days
The most warm months:
February 70.2 °F
March 69.2 °F
January 69.2 °F
Warmest sea temperature:
February 63.3 °F
January 61.6 °F
March 61.4 °F
The most cold months:
July 56.8 °F
August 57.1 °F
June 58.5 °F
The most rainy months:
June 3 days
July 2 days
August 2 days
The most windy months:
November 8 mph
September 8 mph
October 8 mph

San Antonio on the Weather Map

24 Hours Weather Forecast
San Antonio
Local time: 10:29
25 dec, wednesday
1200 66°F
E
9 mph
1500 66°F
E
8 mph
1800 62°F
E
6 mph
2100 58°F
E
2 mph
26 dec, thursday
0000 56°F
NE
2 mph
0300 56°F
NE
2 mph
0600 56°F
S
1 mph
0900 62°F
SE
6 mph