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Climate in San Luis Obispo (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 precipitation

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

Weather Forecasts for San Luis Obispo (CA)

Thu   Apr 25
19°C | 9°C
W 32 km/h
partly cloudy and no rain

partly cloudy and no rain

Fri   Apr 26
17°C | 11°C
NW 40 km/h
almost clear and no rain

almost clear and no rain

Sat   Apr 27
20°C | 9°C
NW 32 km/h
clear and no rain

clear and no rain

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

During the months of March, April, May, June, 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:

  • Does San Luis Obispo have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in San Luis Obispo?
    September has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in San Luis Obispo?
    The coldest month is December with an average maximum temperature of 17°C.
  • Which is the wettest month in San Luis Obispo?
    December tops the wettest month list with 98 mm of rainfall.
  • Which is the driest month in San Luis Obispo?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in San Luis Obispo?
    July is the sunniest month with an average of 352 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.