Weather in San Antonio: January
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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 | |
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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: 15:59
February 04, wednesday
1800
68°F
S
10 mph
10 mph
2100
57°F
SW
8 mph
8 mph
February 05, thursday
0000
50°F
S
6 mph
6 mph
0300
45°F
S
6 mph
6 mph
0600
43°F
S
2 mph
2 mph
0900
45°F
E
4 mph
4 mph
1200
63°F
E
6 mph
6 mph
1500
70°F
E
7 mph
7 mph
