San Antonio weather by month & the best time to visit
🇺🇸 United States · city break · humid subtropical climate
The best time to visit San Antonio is February — its sunniest month (Sunshine Score 88/100), with November and March close behind. San Antonio averages about 2,599 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 36 mm of rain in February.
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- Sun hours / year
- 2,599
- Sunniest month
- February
- Peak score
- 88/100
- Rain / year
- 779 mm
- Midday UV at peak
- 10 (very high)
- Population
- 1.5M
- Elevation
- 238 m

When is the best time to visit San Antonio?
For sunshine, the best time to visit San Antonio is February, then November and March. The dullest month is August (50/100, 62 mm of rain). The full month-by-month picture is in the table below.
How sunny is San Antonio?
San Antonio gets a lot of sun: around 2,599 hours a year. February (88/100) is noticeably better than August (50). It ranks #170 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 779 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 64 | 17° / 63°F | 4° / 39°F | 49 mm | 4 |
| February | 88 | 20° / 68°F | 6° / 43°F | 36 mm | 5 |
| March | 83 | 24° / 75°F | 10° / 50°F | 61 mm | 6 |
| April | 83 | 28° / 82°F | 15° / 59°F | 62 mm | 8 |
| May | 76 | 32° / 90°F | 19° / 66°F | 100 mm | 8 |
| June | 57 | 35° / 95°F | 23° / 73°F | 71 mm | 10 |
| July | 57 | 35° / 95°F | 23° / 73°F | 71 mm | 10 |
| August | 50 | 36° / 97°F | 24° / 75°F | 62 mm | 10 |
| September | 77 | 32° / 90°F | 21° / 70°F | 95 mm | 8 |
| October | 80 | 28° / 82°F | 15° / 59°F | 78 mm | 6 |
| November | 85 | 22° / 72°F | 10° / 50°F | 49 mm | 4 |
| December | 72 | 18° / 64°F | 5° / 41°F | 45 mm | 3 |
See San Antonio on the interactive sunshine globe →
Nearby places for sunshine
- Austin United States · 107 km · best in Nov · 2,614 h sun/yr
- Killeen United States · 181 km · best in Nov · 2,671 h sun/yr
- Corpus Christi United States · 218 km · best in Feb · 2,553 h sun/yr
- Houston United States · 306 km · best in Mar · 2,407 h sun/yr
- McAllen United States · 374 km · best in Feb · 2,689 h sun/yr
- Harlingen United States · 376 km · best in Jan · 2,492 h sun/yr
Nearest destinations
- Piedras Negras Mexico · 225 km · 2,840 h sun/yr · best in Feb
- College Station United States · 234 km · 2,550 h sun/yr · best in Apr
- Laredo United States · 242 km · 2,777 h sun/yr · best in Feb
Head-to-head
How San Antonio compares month by month: San Antonio vs Houston · San Antonio vs Austin · San Antonio vs Corpus Christi · San Antonio vs Killeen · all comparisons
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