Weather in San Antonio: January
| Average day temperature: | 60.5°F | |
| Average night temperature: | 49.2°F | |
| Number of sunny days: | 16 days | |
| Day length: | 10.3 - 10.8 hours | |
| Number of rainy days: | 1 day | |
| Precipitation totals: | 0.6 in. | |
| more information | ||
14 days
forecast
forecast
| San Antonio |
weather in
February
February
| San Antonio |
Air temperature in January, °F
Show year:
2026
2025
2024
The highest day temperature during January of 2026 was 82°F. At the same time the lowest night temperature was 22°F. Daily and nightly averages during January were 62.6°F and 46.1°F.
Sunny, partly cloudy and cloudy days
Mostly all days in January are sunny but cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in San Antonio in January is 0.6 in. Other months of the year show relatively similar values.
Wind speed in January, mph
The average wind speed value in January is 8.5 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 6.8.
Best time for vacation in San Antonio
San Antonio on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Antonio
Local time: 03:40
June 22, monday
0600

77°F
N
11 mph
11 mph
0900

81°F
N
15 mph
15 mph
1200

88°F
N
17 mph
17 mph
1500

93°F
NW
14 mph
14 mph
1800

91°F
NW
14 mph
14 mph
2100

84°F
NW
16 mph
16 mph
June 23, tuesday
0000

79°F
NW
11 mph
11 mph
0300

77°F
NW
9 mph
9 mph



























