Ideal weather days in San Antonio
The best time to visit San Antonio for warm, dry weather is March, November and December, with 21 to 26 such days a month.
How many days here suit you?
Set your ideal day. Each day measured at San Antonio's weather station in 2023–2025 is checked against it.
They're most common in March, November and December.
This station doesn't record cloud cover, so the sky setting is left out here.
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Your ideal days in San Antonio, month by month
Why the other days don't count
- Too hot146
- Too wet47
- Too cold24
- Too windy14
A day can fail more than one test.
Warm and dry, beach and mild days
With the Warm & dry preset (a high of 18–33 °C, no more than 1 mm of rain, wind under 20 km/h), San Antonio averaged 157 days a year in 2023–2025. Every number here is counted from real measured days in the United States, not from climate averages.
Beach days (a high of 26–35 °C, almost no rain, mostly sunny) are most common in March and October (up to 15 a month, 73 a year). Mild, still days (16–26 °C, light wind) are most common in December (up to 19 a month, 55 a year).
What spoils the other days
Most of the days that don't count are too hot (over 33 °C): 146 a year, mostly in June to September. Another 47 are wet (more than 1 mm of rain), mostly in March to June and October to November. A day can fail more than one test.
San Antonio weather, month by month
| Month | Typical high | Rain days | Windy days | Clear days | Warm & dry days |
|---|---|---|---|---|---|
| January | 20 °C 68 °F | 4 | 1 | 16 | 17 of 31 |
| February | 24 °C 74 °F | 4 | 2 | 12 | 20 of 28 |
| March | 29 °C 83 °F | 6 | 2 | 14 | 22 of 31 |
| April | 30 °C 86 °F | 6 | 3 | 10 | 19 of 30 |
| May | 32 °C 90 °F | 7 | 2 | 10 | 13 of 31 |
| June | 37 °C 98 °F | 4 | 1 | 11 | 1 of 30 |
| July | 37 °C 99 °F | 4 | 0 | 16 | 3 of 31 |
| August | 40 °C 103 °F | 1 | 0 | 21 | 0 of 31 |
| September | 37 °C 98 °F | 3 | 0 | 19 | 2 of 30 |
| October | 33 °C 91 °F | 6 | 1 | 14 | 13 of 31 |
| November | 27 °C 80 °F | 6 | 2 | 14 | 21 of 30 |
| December | 22 °C 72 °F | 6 | 0 | 14 | 26 of 31 |
| Year | 58 | 14 | 169 | 157 of 365 |
Typical high is the median daily maximum. A rain day has 1 mm or more; a windy day a mean wind above 20 km/h; a clear day a daytime cloud cover of 2/8 or less on average (9:00–17:00). Days are averaged over 2023–2025 and scaled to the length of each month.
Year by year
- 2023 158 warm, dry days
- 2024 173 warm, dry days
- 2025 incomplete (8 of 12 months)
Questions
When is the best time to visit San Antonio for good weather?
The best time to visit San Antonio for warm, dry weather is March, November and December, with 21 to 26 such days a month. Beach days (a high of 26–35 °C, almost no rain, mostly sunny) are most common in March and October (up to 15 a month, 73 a year). Counted from measured days at San Antonio Stinson Municipal Airport station, 2023–2025.
Does it rain a lot in San Antonio?
On average 58 days a year had 1 mm of rain or more in 2023–2025. The wettest month was May (7 rain days), the driest August (1).
How many sunny days does San Antonio get a year?
About 169 days a year had mostly clear skies (daytime cloud cover of 2/8 or less on average, 9:00–17:00), most of them in August (21).
How warm does San Antonio get?
The median daily high ranged from 20 °C (68 °F) in January to 40 °C (103 °F) in August.
Nearby
- Austin120 km134 days
- Houston300 km141 days
- Dallas410 km129 days
- New Orleans820 km144 days
- Guadalajara1090 km, Mexico231 days
- Mexico City1110 km, Mexico304 days
- Oaxaca1380 km, Mexico237 days
More cities in the United States
- San Diego 317 days
- Tijuana 311 days
- Los Angeles 296 days
- Honolulu 224 days
- Orlando 203 days
- Tampa 194 days
- Miami 181 days
- Charlotte 177 days
- Sacramento 169 days
- Atlanta 168 days
- Phoenix 166 days
- San Francisco 162 days
- Denver 151 days
- Nashville 150 days
- St. Louis 143 days
- Seattle 142 days
- Kansas City 135 days
- Albuquerque 132 days
- Detroit 131 days
- New York 129 days
- Las Vegas 126 days
- Chicago 120 days
- Minneapolis 120 days
- Boise 117 days
- Billings 116 days
- Boston 116 days
- Salt Lake City 107 days
- Fairbanks 81 days
- Anchorage 55 days
- Juneau 45 days
Where is the best climate in the United States?
Open San Antonio on the map Set your own temperature, rain and wind limits.
Source: San Antonio Stinson Municipal Airport weather station (72252312970), 9 km from the centre of San Antonio, 173 m above sea level. Daily records from NOAA's Global Surface Summary of the Day, 2023–2025; 89% of days have a complete record. A single station may not represent every part of a city, and three years is a short record.