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San Marcos
Weather averages
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Climate in San Marcos (California), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: San Diego, the United States of America (47 KM, 29 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year
* Data from: San Diego, the United States of America (47 KM, 29 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year
* Data from: San Diego, the United States of America (47 KM, 29 Miles).

Weather Forecasts for San Marcos (CA)

Fri   Apr 26
16°C | 12°C
W 14 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Sat   Apr 27
17°C | 12°C
SW 14 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Sun   Apr 28
18°C | 11°C
W 14 km/h
clear and no rain

clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit San Marcos in the United States of America

During the months of January, February, March, April, May and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Does San Marcos have a dry season?
    Yes, the months of May, June, July, August, September and October are very dry.
  • Which is the warmest month in San Marcos?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in San Marcos?
    The coldest month is December with an average maximum temperature of 19°C.
  • Which is the wettest month in San Marcos?
    December tops the wettest month list with 79 mm of rainfall.
  • Which is the driest month in San Marcos?
    June is the driest month with 1 mm of precipitation.
  • Which is the sunniest month in San Marcos?
    July is the sunniest month with an average of 304 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     

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