Climate in Palo Alto (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 Palo Alto, 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 Palo Alto, the United States of America

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* Data from: San Francisco, the United States of America (27 KM, 17 Miles).

Daily percent of sunshine

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

Average monthly percentage of sunshine in Palo Alto, the United States of America

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* Data from: San Francisco, the United States of America (27 KM, 17 Miles).

Monthly precipitation

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

Average monthly rainfall, snow, precipitation in Palo Alto, 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 Palo Alto, the United States of America

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Palo Alto, the United States of America

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* Data from: San Francisco, the United States of America (27 KM, 17 Miles).

Weather Forecasts for Palo Alto (CA)

Thu   Mar 28
17°C | 9°C
W 22 km/h
1.5 mm
broken clouds and small chance of slight rain

broken clouds and small chance of slight rain

Fri   Mar 29
14°C | 8°C
SE 25 km/h
17 mm
overcast and heavy rain

overcast and heavy rain

Sat   Mar 30
15°C | 8°C
NE 18 km/h
13 mm
broken clouds and thunder

broken clouds and thunder

The best time of year to visit Palo Alto in the United States of America

During the months of April, May, June, August and October 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 Palo Alto?
    The hottest season / summer takes place in June, July, August and September.
  • Does Palo Alto have a dry season?
    Yes, the months of May, June, July, August, September and October are very dry.
  • Which is the warmest month in Palo Alto?
    September has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Palo Alto?
    The coldest month is December with an average maximum temperature of 15°C.
  • Which is the wettest month in Palo Alto?
    December tops the wettest month list with 83 mm of rainfall.
  • Which is the driest month in Palo Alto?
    July is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Palo Alto?
    May is the sunniest month with an average of 324 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.