Measurements:
°C
°F
San Antonio
52°F
N 6 mph
Feels like: 50°F
Precip: 0%
World Resorts Chile San Antonio Weather December Weather in San Antonio

San Antonio Weather: December

Average Day Temperature: 67.1°F
Average Night Temperature: 56.0°F
Sea Water Temperature: 59.0°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: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
11
22
33
44
55
66
77
88
Day Temperature   
Night Temperature

The highest day temperature in December 2024 was 69°F. The lowest night temperature was 51°F. The average values for day and night temperatures during December were 64.4°F и 54.8°F respectivly.

San Antonio Water Sea Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
45
49
53
57
61
65
69

The average sea surface temperature in December 2024 for San Antonio was 60.0°F. The maximum and minimum values were 56.8°F and 62.8°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
93%
7%

Almost all days in December are sunny. There is very low probability of clouds or gloomy days.

Precipitation Totals in December, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.2
0.5
0.7
1.0
1.2
1.4
1.7

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
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
2.9
4.4
5.8
7.3
8.7
10.2

The average wind speed in December is 8.4 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.2
4.5
6.7
8.9
11.1
13.4
15.6

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 69.9 °F
January 69.1 °F
March 68.8 °F
Warmest sea temperature:
February 63.2 °F
January 61.9 °F
March 61.5 °F
The most cold months:
July 57.1 °F
August 57.3 °F
June 58.3 °F
The most rainy months:
June 3 days
July 2 days
August 2 days
The most windy months:
November 8 mph
September 8 mph
December 8 mph

San Antonio on the Weather Map

24 Hours Weather Forecast
San Antonio
Local time: 19:34
08 oct, wednesday
2100 52°F
N
6 mph
09 oct, thursday
0000 54°F
N
7 mph
0300 52°F
N
7 mph
0600 52°F
N
6 mph
0900 60°F
NE
7 mph
1200 62°F
NE
13 mph
1500 60°F
NE
12 mph
1800 56°F
N
11 mph