Month guide · San Antonio · United States
San Antonio in January
What January is really like in San Antonio: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
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Quick answer
January is a quieter month with trade-offs. Expect average highs of 17°C (63°F), lows of 5°C (41°F), about 7 rainy days and roughly 10.4 hours of daylight. Mild, with sunny days but occasional cold fronts that bring near-freezing nights. Quiet and good value.
Key facts
- Average high / low
- 17°C (63°F) / 5°C (41°F)
- Rainy days
- About 7
- Daylight
- About 10.4 hours
- Crowds
- Quiet
- Hotel prices
- Low
Weather in January
January is the coolest month in San Antonio: days average 17°C (63°F) against a yearly average high of 27°C (81°F), and nights fall to about 5°C (41°F). Rain falls on roughly 7 of its 31 days. Compared with December (18°C (64°F)), January is about as warm; by February highs climb to around 20°C (68°F).
- Sunrise (15 January)
- About 07:29
- Sunset (15 January)
- About 17:57
- Daylight
- About 10.4 hours
Winter (December–February). Mild days, occasional cold fronts, holiday lights on the River Walk and lower prices after New Year.
Crowds and prices
On a 1–5 scale, January rates 2 for crowds (the peak is April at 5) and 2 for hotel prices (highest in April). That makes January one of the better-value months to book.
Events in January
- Martin Luther King Jr. March — one of the largest in the country (MLK Day)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in January
Mild, settled days suit walking, viewpoints and time outdoors.
Waterfront · Downtown
San Antonio River Walk
Take a narrated river boat first to get your bearings, then walk the quieter Museum Reach to the Pearl.
- Time needed
- 2–3 hours
- Cost
- Free
- Iconic
- Free
- Couples
- After dark
- Outdoors
Historic site · Mission Reach
San Antonio Missions National Historical Park
Four 18th-century Spanish missions south of downtown — Concepción, San José, San Juan and Espada — still serve as active parishes.
- Time needed
- Half a day
- Cost
- Free
- History
- Free
- Architecture
- Outdoors
- Photo spot
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Viewpoint · Hemisfair
Tower of the Americas
Go up shortly before sunset to see the city in daylight and as the lights come on.
- Time needed
- 1 hour
- Cost
- Mid-priced
- Views
- After dark
- Kids
- Couples
Park · Hemisfair
Yanaguana Garden at Hemisfair
A large free playground on the former world's fair grounds, with climbing structures, a splash pad, sand areas and giant board games, surrounded by restored historic houses and cafés.
- Time needed
- 1–2 hours
- Cost
- Free
- Kids
- Free
- Outdoors
What to pack
For highs near 17°C, lows near 5°C and 7 wet days: layers, a warm sweater and a jacket for cool evenings; a packable rain jacket for showers; comfortable walking shoes.
Is January a good time to visit San Antonio?
A quieter month with trade-offs, with a notable event on the calendar. If your dates are flexible, March–April and October–November are better overall. Compare every month.
San Antonio in other months
Questions travellers ask
+Is January a good time to visit San Antonio?
It is a quieter month with trade-offs. Mild, with sunny days but occasional cold fronts that bring near-freezing nights. Quiet and good value.
+How warm is San Antonio in January?
Average highs are around 17°C (63°F) and lows around 5°C (41°F).
+Does it rain a lot in San Antonio in January?
Expect rain on about 7 days of the month.