Best Time to Visit San Antonio
Best time: Mar, Apr, Jul, Nov.
Aug is warmest (35°C high); May is rainiest (112 mm).
San Antonio weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 16.9 | 4.6 | 42 | 4.5 |
| Feb | 19.6 | 6.8 | 46 | 5.5 |
| Mar | 23.9 | 10.6 | 42 | 7.1 |
| Apr | 27.2 | 14.4 | 66 | 8.6 |
| May | 30.2 | 18.9 | 112 | 9.3 |
| Jun | 33.1 | 22.1 | 96 | 10.3 |
| Jul | 34.9 | 23.3 | 49 | 10.8 |
| Aug | 35 | 23.1 | 63 | 9.9 |
| Sep | 32.3 | 20.5 | 85 | 8.4 |
| Oct | 28 | 15.4 | 87 | 6.6 |
| Nov | 22.2 | 10 | 58 | 4.9 |
| Dec | 18.1 | 5.9 | 44 | 4.2 |
Average high temperature
Best months by activity
Overall: MarAprJulNov
Beaches: JulAugAprMar
Hiking: MarFebJanDec
Sightseeing: MarAprFebNov
San Antonio quick facts
What to pack
Hot months (Jul, Aug): light clothes, sunscreen, hat.
Wet months (May, Jun): raincoat and umbrella.
Frequently asked questions
When is the best time to visit San Antonio?
Mar, Apr, Jul, Nov.
What is the rainiest month?
May, about 112 mm.
What is the warmest month?
Aug, with average highs of 35°C.
Where to stay
Book San Antonio hotels · San Antonio tours & activities
All destinations · Best time to visit New York · Best time to visit Los Angeles · Best time to visit Miami · Best time to visit San Francisco
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.