Get the app
Best time to visit · Texas, United States
On the climate data, the best time to visit San Antonio is October – March, scoring up to 92/100 with highs around 73°F (23°C) and 1.9 in (49 mm) of rain in November. April is a good shoulder-season month. The toughest months are June – August, mainly because of heat.
These averages also cover Downtown San Antonio & Hemisfair and Pearl & Museum Reach.
Highs run from 63°F to 98°F across the year, and the yearly total is about 30.7 in (779 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 63°F17°C | 68°F20°C | 76°F24°C | 84°F29°C | 89°F32°C | 95°F35°C | 96°F36°C | 98°F36°C | 90°F32°C | 83°F28°C | 73°F23°C | 64°F18°C |
| Avg low | 40°F5°C | 44°F7°C | 51°F11°C | 59°F15°C | 67°F19°C | 73°F23°C | 75°F24°C | 76°F24°C | 70°F21°C | 60°F16°C | 50°F10°C | 42°F6°C |
| Rain | 1.9 in49 mm | 1.4 in36 mm | 2.4 in61 mm | 2.4 in62 mm | 3.9 in100 mm | 2.8 in71 mm | 2.8 in71 mm | 2.4 in62 mm | 3.7 in95 mm | 3.1 in78 mm | 1.9 in49 mm | 1.8 in45 mm |
| Humidity | 70% | 70% | 70% | 66% | 68% | 65% | 65% | 61% | 68% | 68% | 70% | 69% |
| Cloud | 55% | 60% | 61% | 60% | 60% | 46% | 44% | 41% | 46% | 41% | 50% | 55% |
| Comfort | 88 | 90 | 87 | 81 | 63 | 59 | 57 | 56 | 67 | 86 | 92 | 91 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 302 m (991 ft), close to San Antonio's own ~198 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The cold peaks here: highs of 63–68°F (17–20°C), and nights reach 40°F (5°C). It's the driest season, with only about 5.1 in (130 mm) of rain, 17% of the year's total. Comfort peaks here: December – February rank with the year's best, and the season averages 90/100.
Temperatures climb through the season, from 76°F highs in March to 89°F by May. It's the wettest season, with about 8.8 in (223 mm) of rain, 29% of the year's total. Lows bottom out around 51°F (11°C). March is among the best-scoring months (season average 77/100).
The warmest stretch of the year, with highs of 95–98°F (35–36°C). About 8.0 in (204 mm) of rain falls across these months, 26% of the year's total. Lows bottom out around 73°F (23°C). It holds the toughest stretch on our comfort score (June – August), averaging 57/100.
Temperatures slide from 90°F highs in September to 73°F by November. About 8.7 in (222 mm) of rain falls across these months, 28% of the year's total. Lows bottom out around 50°F (10°C). October & November are among the best-scoring months (season average 82/100).
By comfort score: 7 Great, 2 Good and 3 Fair. Great months: October – April. Tap a month for its own guide.
On the climate data, the best time to visit San Antonio is October – March, scoring up to 92/100 with highs around 73°F (23°C) and 1.9 in (49 mm) of rain in November. April is a good shoulder-season month. The toughest months are June – August, mainly because of heat.
May is the wettest month, averaging about 3.9 in (100 mm) of rain. February is the driest, with about 1.4 in (36 mm). The yearly total is around 30.7 in (779 mm).
January is the coldest, with average lows of 40°F (5°C) and highs of 63°F (17°C). The warmest is August, with average highs of 98°F (36°C).
Not very: summer (June – August) humidity averages 64%, and highs peak around 98°F (36°C), so heat matters more than mugginess.
Not on average: even in January, the coldest month, lows average 40°F (5°C). Individual cold snaps can still dip lower.
Share this with your crew, run a quick poll on dates in TripsCircle, then build the itinerary, packing list and shared costs in one place.
