Best year time to visit San Marcos

General weather information about San Marcos

Average annual temperature is 21.8 °C

Absolute maximum temperature: 41.8 °C

Absolute minimum temperature: -1.5 °C

Number of sunny days: 174

Number of rainy days: 191

Number of snow days:

Average annual precipitation: 990 mm

Look at detailed online map of San Marcos

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

San Marcos air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 26.8 30.3 33 34.3 32.6 39.2 39.5 41.8 39.2 34.7 27.9 25
Average daytime temperature (°C) 19.2 20.1 25.4 25.7 28.6 34.9 36.9 39.3 35.3 27.8 19.9 19.5
Average temperature (°C) 13.8 13.4 18.7 19.4 23.2 28.6 30.9 32.6 29.5 22.3 15.1 13.6
Average night temperature (°C) 9.5 9.1 14.1 14.8 19 23.2 25.1 26 24.1 17.8 11.5 9.2
Absolute minimum temperature (°C) -1.5 -0.9 5.6 9.4 13.9 18.6 22.9 23.8 21.7 5.3 4.3 2.7

San Marcos 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 14.1 14 13.6 12.8 11.9 11 10.4
Daylight mean duration (h) 10.5 11.1 12 12.9 13.7 14 13.9 13.2 12.4 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 10.4 10.2
Sunshine mean duration (h) 7.4 7.8 7.1 7.5 8.7 11.5 12.1 12 10.4 8.3 6.9 8.2
Precipitation (mm) 76 65 78 215 192 39 16 4 45 145 58 57
Sunny days 18 15 8 7 2 13 21 25 14 15 16 20
Rainy days 13 13 23 23 29 17 10 6 16 16 14 11

San Marcos - weather forecast by months

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

Best time to visit San Marcos:

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

  • June — 11.5(h)
  • July — 12.1(h)
  • August — 12(h)

The largest precipitation sum in San Marcos is at

  • April — 215(mm)
  • May — 192(mm)
  • October — 145(mm)

Weather forecast in the closest to San Marcos admin centers