Best year time to visit City of San Marcos

General weather information about City of 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 days

Number of rainy days: 191 days

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* Weather data for City of San Marcos United States is based on climate observations for 2026 year

City of San Marcos air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)26.830.333.034.332.639.239.541.839.234.727.925.0
Average daytime temperature (°C)19.220.125.425.728.634.936.939.335.327.819.919.5
Average temperature (°C)13.813.418.719.423.228.630.932.629.522.315.113.6
Average night temperature (°C)9.59.114.114.819.023.225.126.024.117.811.59.2
Absolute minimum temperature (°C)-1.5-0.95.69.413.918.622.923.821.75.34.32.7

City of San Marcos monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.511.112.012.913.714.013.913.212.311.410.710.3
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)7.17.56.87.58.711.512.112.010.48.26.07.4
Precipitation (mm)75657821519139153451455857
Sunny days181587213212514151620
Rainy days13132323291710616161411
Snow days000000000000

City of San Marcos - weather forecast by months

City of San Marcos weather in januaryCity of San Marcos weather in februaryCity of San Marcos weather in marchCity of San Marcos weather in aprilCity of San Marcos weather in mayCity of San Marcos weather in juneCity of San Marcos weather in julyCity of San Marcos weather in augustCity of San Marcos weather in septemberCity of San Marcos weather in octoberCity of San Marcos weather in novemberCity of San Marcos weather in december

Best time to visit City of San Marcos:

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

  • June — 11.5(h)
  • July — 12.1(h)
  • August — 12.0(h)

The largest precipitation sum in City of San Marcos is at

  • April — 215(mm)
  • May — 191(mm)
  • October — 145(mm)

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    Frequently asked questions

    When is the best time to visit City of San Marcos?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit City of San Marcos.
    What is the weather like in City of San Marcos?
    See average temperature, rainfall and daylight hours for City of San Marcos by month in the table above.
    How many sunny days does City of San Marcos have?
    The monthly weather statistics above show sunshine and rainfall patterns for City of San Marcos throughout the year.