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San Ysidro
Weather averages
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Climate in San Ysidro (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.

Average monthly minimum and maximum temperature in San Ysidro, the United States of America

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in San Ysidro, the United States of America

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* Data from: Tijuana, Mexico (2 KM, 1 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average monthly percentage of sunshine in San Ysidro, the United States of America

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* Data from: Tijuana, Mexico (2 KM, 1 Miles).

Monthly precipitation

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

Average monthly rainfall, snow, precipitation in San Ysidro, the United States of America

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Monthly rainy days

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

Average monthly rainy days in San Ysidro, the United States of America

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in San Ysidro, the United States of America

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* Data from: Tijuana, Mexico (2 KM, 1 Miles).

Weather Forecasts for San Ysidro (CA)

Thu   Apr 18
21°C | 12°C
W 18 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Fri   Apr 19
19°C | 11°C
W 18 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Sat   Apr 20
20°C | 11°C
W 14 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

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

During the months of January, March, April, May, June, July, October 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:

  • When is summer in San Ysidro?
    The hottest season / summer takes place in July, August, September and October.
  • Which is the warmest month in San Ysidro?
    September has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in San Ysidro?
    The coldest month is December with an average maximum temperature of 19°C.
  • Which is the wettest month in San Ysidro?
    December tops the wettest month list with 58 mm of rainfall.
  • Which is the driest month in San Ysidro?
    June is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in San Ysidro?
    July is the sunniest month with an average of 312 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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