World Resorts USA San Antonio Weather

San Antonio weather in January

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.

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

Sunniest months:
October 19 days
September 17 days
August 17 days
Warmest months:
August 96.0 °F
July 94.2 °F
June 93.1 °F
Coldest months:
January 60.5 °F
February 63.7 °F
December 65.9 °F
Rainiest months:
May 3 days
April 2 days
July 1 day
Windiest months:
April 10.3 mph
May 9.8 mph
March 9.8 mph

San Antonio on a weather map

San Antonio
+77°F
NW 5 mph
Feels like: +82°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+57°F
+52°F
+79°F
+79°F
+66°F
+54°F
+54°F
+50°F
+77°F
+75°F
+75°F
+52°F
24 Hours Forecast
San Antonio
Local time: 07:28
April 29, wednesday
0900
79°F
N
9 mph
1200
90°F
NW
7 mph
1500
95°F
NW
4 mph
1800
86°F
NW
10 mph
2100
73°F
SW
16 mph
April 30, thursday
0000
70°F
SW
8 mph
0300
70°F
W
8 mph
0600
70°F
SW
10 mph
Units of measurement: °C / °F