Best year time to visit San Antonio

General weather information about San Antonio

Average annual temperature is 22.4 °C

Absolute maximum temperature: 41.8 °C

Absolute minimum temperature: 0.6 °C

Number of sunny days: 189

Number of rainy days: 176

Number of snow days:

Average annual precipitation: 848 mm

Look at detailed online map of San Antonio

* Weather data for San Antonio United States is based on climate observations for 2023 year

San Antonio air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 29.1 31.6 33.2 34.8 33.9 40.7 41.1 41.8 38.9 34.5 28.3 24.7
Average daytime temperature (°C) 20.9 21.4 26.5 26.9 29.4 37 38.3 39.4 36 27.8 20.2 20.1
Average temperature (°C) 14.5 14.2 19.6 20.3 23.9 29.9 31.6 32.4 29.9 22.4 15.5 13.8
Average night temperature (°C) 9.6 9.4 14.8 15.6 19.6 24 25.8 26.3 24.7 18.3 11.8 8.8
Absolute minimum temperature (°C) 0.6 0.6 5.7 11 14.8 18.7 24 24.4 22 6.4 4.6 2.4

San Antonio monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10.8 11.5 12.5 13.3 13.9 14 14 13.6 12.8 11.9 11 10.4
Daylight mean duration (h) 10.5 11.2 12 12.9 13.6 14 13.8 13.2 12.3 11.5 10.7 10.3
Daylight minimum duration (h) 10.3 10.8 11.6 12.5 13.3 13.9 13.6 12.8 11.9 11.1 10.4 10.3
Sunshine mean duration (h) 7.3 7.6 6.8 8.3 8.9 11.8 12.1 11.9 10.9 8.3 6.7 7.4
Precipitation (mm) 37 40 64 154 176 43 15 8 37 190 50 32
Sunny days 20 16 8 11 5 17 23 24 16 11 17 21
Rainy days 11 12 23 19 26 13 8 7 14 20 13 10

San Antonio - weather forecast by months

January February March April May June July August September October November December

Best time to visit San Antonio:

The best time to visit San Antonio during the most sunny months:

  • June — 11.8(h)
  • July — 12.1(h)
  • August — 11.9(h)

The largest precipitation sum in San Antonio is at

  • April — 154(mm)
  • May — 176(mm)
  • October — 190(mm)

Weather forecast in the closest to San Antonio admin centers