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Oakland (CA) Weather and Climate: A Comprehensive Guide

Temperatures see a moderate degree of fluctuation, transitioning from warm conditions to mild. It maintains moderate precipitation patterns. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

In Oakland, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a comfortable 24°C in September to a moderate 15°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 7°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Oakland experiences moderate precipitation patterns, averaging 516 mm yearly. The climate in Oakland shows significant variation throughout the year. Expect high rainfall in December, with an average of 116 mm of precipitation over 13 rainy days.

In contrast, August offers drier and sunnier days, with around 0 mm of rainfall over 0 rainy days. For more details, please visit our Oakland Precipitation page.

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

Sunshine over the year

For those who appreciate different seasons, Oakland serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 10.8 hours of sunshine daily, and embrace the darker days in December, offering only 5.3 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: San Francisco, the United States of America (23 KM, 14 Miles).

Daily hours of sunshine

Data from: San Francisco, the United States of America (23 KM, 14 Miles).

Average water temperature

The mean water temperature over the year ranges from 12°C in January to 14°C in June.

Water temperature over the year

Data from: San Francisco, the United States of America (23 KM, 14 Miles).

Forecast for Oakland (CA)

Fri   Dec 27
16°C | 12°C
W 5 m/s
2 mm
broken clouds and slight rain

broken clouds and slight rain

Sat   Dec 28
16°C | 13°C
SW 4 m/s
1.6 mm
overcast and  chance of slight rain

overcast and chance of slight rain

Sun   Dec 29
15°C | 9°C
SW 8 m/s
9.6 mm
partly cloudy and rain

partly cloudy and rain

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

During the months of May, June, July, August, September 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:
  • Does Oakland have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in Oakland?
    September has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Oakland?
    The coldest month is January with an average maximum temperature of 15°C.
  • Which is the wettest month in Oakland?
    December tops the wettest month list with 116 mm of rainfall.
  • Which is the driest month in Oakland?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Oakland?
    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.