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| Back to California, United States. Do you have any pictures of this city? ![]() Planning a vacation? Current weather forecast for Petaluma, CA Elevation: 12 feet County: Sonoma Land area: 13.8 square miles Median resident age: 37.1 years New: Petaluma, CA residents, houses, and apartments details Races in Petaluma:
New: Political contributions by individuals in Petaluma, CA Ancestries: Irish (18.5%), German (16.2%), English (13.4%), Italian (11.1%), French (4.3%), Scottish (3.5%). |
![]() For population 25 years and over in Petaluma
For population 15 years and over in Petaluma city
14.4% Foreign born (7.5% Latin America, 3.0% Asia, 3.0% Europe). |
![]() Nearest city with pop. 200,000+: San Francisco, CA (36.2 miles, pop. 776,733). Nearest city with pop. 1,000,000+: Los Angeles, CA (410.2 miles, pop. 3,694,820). Nearest cities: Cotati, CA (7.7 miles), Rohnert Park, CA (8.3 miles), Temelec, CA (9.6 miles), El Verano, CA (10.5 miles), Eldridge, CA (10.6 miles), Glen Ellen, CA (10.7 miles), Boyes Hot Springs, CA (11.1 miles), Fetters Hot Springs-Agua Caliente, CA (11.3 miles). Single-family new house construction building permits:
Industries providing employment: Educational,health and social services (18.3%), Professional,scientific,management,administrative,and waste management services (12.3%), Retail trade (12.2%), Finance,insurance,real estate,and rental and leasing (10.2%). |
Based on data reported by over 4,000 weather stations
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Average temp. (°F) | 48.4 | 51.9 | 53.9 | 57.0 | 60.5 | 64.9 | 67.4 | 67.6 | 67.0 | 62.3 | 54.1 | 47.9 |
| High temperature (°F) | 57.9 | 62.6 | 65.3 | 69.9 | 74.0 | 79.5 | 82.9 | 83.0 | 82.3 | 77.2 | 65.9 | 58.1 |
| Low temperature (°F) | 38.9 | 41.2 | 42.5 | 44.2 | 46.9 | 50.3 | 51.8 | 52.1 | 51.5 | 47.5 | 42.2 | 37.7 |
| Precipitation (in) | 5.5 | 5.4 | 3.9 | 1.4 | 0.6 | 0.2 | 0.1 | 0.1 | 0.3 | 1.4 | 3.6 | 3.8 |
Based on data reported by main weather stations
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Days with precip. | 10 | 9 | 9 | 5 | 3 | 1 | 0 | 0 | 1 | 3 | 7 | 9 |
| Wind speed (mph) | 7.1 | 7.3 | 8.4 | 8.6 | 9.0 | 9.6 | 8.9 | 8.4 | 7.4 | 6.4 | 6.0 | 6.4 |
| Morning humidity (%) | 91 | 89 | 86 | 83 | 82 | 78 | 77 | 78 | 77 | 79 | 87 | 88 |
| Afternoon humidity (%) | 70 | 61 | 53 | 44 | 38 | 32 | 30 | 29 | 31 | 37 | 57 | 67 |
| Sunshine (%) | 48 | 65 | 74 | 82 | 90 | 94 | 97 | 96 | 93 | 86 | 66 | 49 |
| Days clear of clouds | 7 | 8 | 10 | 12 | 17 | 22 | 27 | 26 | 24 | 19 | 10 | 8 |
| Partly cloudy days | 6 | 7 | 9 | 10 | 9 | 6 | 3 | 4 | 4 | 6 | 8 | 6 |
| Cloudy days | 19 | 13 | 12 | 8 | 5 | 2 | 1 | 1 | 2 | 6 | 12 | 17 |
| Snowfall (in) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
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