Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Pittsburg (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Pittsburg.
–
Climate overview of Pittsburg
Temperatures in Pittsburg, California, United States of America, vary greatly throughout the year. July is the hottest month at 32°C (90°F), while December is the coldest at 13°C (55°F).
The city has a relatively dry climate, receiving around 344 mm (14 in) of rainfall per year. It does experience a distinct dry season from April to November, with very warm summers and mild winters. December is the wettest month and July the driest. Sunshine peaks in May, when the city sees around 10.8 hours of sunshine per day.
Pittsburg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pittsburg - and find the best time to visit.
Monthly Temperature in Pittsburg
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 (90°F) in July to a moderate 13°C (55°F) in December.
Nighttime temperatures range from 15°C (59°F) in July to 5°C (41°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Pittsburg
Pittsburg has a relatively dry climate with low precipitation, averaging 344 mm (14 in) 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 (2.8 in) of precipitation. This rainfall is distributed across 12 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 0 mm (0 in) 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
The average number of days each month with precipitation
Sunshine Hours in Pittsburg
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).
Daily percentage of sunshine
Data from: San Francisco, the United States of America (63 KM, 39 Miles).
Humidity in Pittsburg by Month
The relative humidity is high throughout the year in Pittsburg.
The city experiences its highest humidity in January, reaching 80%. In June, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: San Francisco, the United States of America (63 KM, 39 Miles).
Best Time to Visit Pittsburg
The most comfortable overall weather for exploring Pittsburg is usually found in April, May, June, September and October. Conditions are generally least comfortable in December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
good
Feb
good
Mar
very good
Apr
excellent
May
excellent
Jun
excellent
Jul
very good
Aug
very good
Sep
excellent
Oct
excellent
Nov
very good
Dec
mixed
- Best overall: April, May, June, September and October
- Warmest weather: July and August
- Most sunshine: April, May, June and July
- Fewest rainy days: June, July, August and September
- Seasonal pattern: A distinct dry season from April to November, with very warm summers and mild winters
Frequently asked questions about the climate in Pittsburg
What is the best time to visit Pittsburg?
April, May, June, September and October typically offer the most optimal weather in Pittsburg. In contrast, December tends to have less optimal conditions. Pittsburg has a distinct dry season from April to November, with very warm summers and mild winters.
What temperatures can I expect in Pittsburg?
Daytime highs range from 13°C (55°F) in December to 32°C (90°F) in July. Nighttime lows range from 5°C (41°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Pittsburg get?
Annual rainfall is around 344 mm (14 in). December is the wettest month with 71 mm (2.8 in), while July is the driest with 0 mm (0 in).
How sunny is Pittsburg?
Pittsburg receives around 3,058 hours of sunshine per year. May is the sunniest month with 324 hours, while December is the cloudiest with just 160 hours. Overall, Pittsburg enjoys abundant sunshine.
Pittsburg 3-Day Forecast
Pittsburg on the map
Pittsburg is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Miami Beach
29°C (84°F) Orlando29°C (84°F) Kissimmee
29°C (84°F) Destin26°C (79°F) Los Angeles24°C (75°F) New York City19°C (66°F) Big Bear Lake19°C (66°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.