San Antonio, United StatesQuick decision
When to visit San Antonio?
🌞 Best time overall
October
🌡️ Optimal temperature
66°F–84°F in October
🌧 Least rain
25% rainy days in October
🌧 Wettest month
July (25%)
📅 Best score
8.3/10
By trip type
Best time by type of trip
The AlamoYear-round — 1836 battle shrine, Texas history icon.
River WalkYear-round — 24 km riverwalk, restaurants, boat tours.
Tex-Mex & Market SquareYear-round — puffy tacos, enchiladas, largest Mexican market in US.
BudgetJun–Aug — hot but prices –30%, indoor attractions.
Monthly climate data
San Antonio weather month by month
| Month | Min °F | Max °F | Rainy days (%) | Precip. in/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 43°F | 64°F | 25% | 0.1in | 9.7h | 7.2/10 |
| 🌤️ February | 48°F | 70°F | 26% | 0.1in | 8.1h | 7.4/10 |
| 🌤️ March | 57°F | 79°F | 32% | 0.1in | 8.8h | 7.8/10 |
| 🌤️ April | 63°F | 82°F | 37% | 0.1in | 10.0h | 8.0/10 |
| 🌤️ May | 70°F | 86°F | 47% | 0.2in | 11.0h | 7.5/10 |
| 🌤️ June | 75°F | 93°F | 36% | 0.1in | 12.4h | 7.2/10 |
| 🥵 July | 77°F | 97°F | 25% | 0.1in | 12.9h | 6.9/10 |
| 🥵 August | 77°F | 97°F | 26% | 0.1in | 12.6h | 6.9/10 |
| 🌤️ September | 73°F | 91°F | 32% | 0.1in | 11.2h | 7.3/10 |
| 🌤️ October | 66°F | 84°F | 25% | 0.1in | 10.7h | 8.3/10 |
| 🌤️ November | 55°F | 75°F | 29% | 0.1in | 8.4h | 7.7/10 |
| 🌤️ December | 48°F | 68°F | 25% | 0.1in | 7.8h | 7.3/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 28°F, 39% rainy days, 9.9h sunshine/day. Score: 7.8/10.
☀️ Summer (Jun–Aug) — Good time
Average 35°F, 29% rainy days, 12.6h sunshine/day. Score: 7.0/10.
🍂 Autumn (Sep–Nov) — Good time
Average 29°F, 29% rainy days, 10.1h sunshine/day. Score: 7.8/10.
❄️ Winter (Dec–Feb) — Good time
Average 20°F, 25% rainy days, 8.5h sunshine/day. Score: 7.3/10.
Accommodation
Find a place to stay in San Antonio
Check availability during the recommended period
Tip : off-peak months (July, August) are cheapest but weather is significantly worse.
Search on Hotels.comActivities & tours
Activities and tours in San Antonio
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to San Antonio
Compare flights from all airlines.
Search flights
Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
October is ideal with 25% rainy days and 29°F.
July is the wettest month with 25% rainy days.
Yes, October is the best month with an average of 29°F.
In winter, the average score is 7.3/10. Acceptable conditions for cultural visits.
Also explore
Destinations with similar climate
ItalyWeather rankings
Compare destinations by weather
Best in EuropeGuides & comparisons