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Pittsburg (CA) Weather and Climate: A Comprehensive Guide

Pittsburg experiences great temperature shifts. The city's weather can transition from very warm days to mild weather. It maintains relatively low levels of precipitation throughout the seasons. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The climate in Pittsburg is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 32°C in July to a moderate 13°C in January.

Nighttime temperatures can drop, with average lows reaching 5°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Pittsburg has a relatively dry climate with low precipitation, averaging 344 mm of rainfall annually. The seasons in Pittsburg, bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 71 mm of precipitation. This rainfall is distributed across 12 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 0 mm over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Pittsburg Precipitation page.

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

Sunshine over the year

In Pittsburg, summer days are longer and more sunny, with daily sunshine hours peaking at 10.8 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.3 hours per average day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: San Francisco, the United States of America (63 KM, 39 Miles).

Daily hours of sunshine

Data from: San Francisco, the United States of America (63 KM, 39 Miles).

Forecast for Pittsburg (CA)

Fri   Dec 27
17°C | 12°C
SW 5 m/s
5.4 mm
broken clouds and slight rain

broken clouds and slight rain

Sat   Dec 28
17°C | 12°C
SW 4 m/s
0.2 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

Sun   Dec 29
16°C | 8°C
S 6 m/s
8.2 mm
partly cloudy and rain

partly cloudy and rain

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

During the months of April, May 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 Pittsburg have a dry season?
    Yes, the months of May, June, July, August, September and October are very dry.
  • Which is the warmest month in Pittsburg?
    July has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Pittsburg?
    The coldest month is January with an average maximum temperature of 13°C.
  • Which is the wettest month in Pittsburg?
    December tops the wettest month list with 71 mm of rainfall.
  • Which is the driest month in Pittsburg?
    July is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Pittsburg?
    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.