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| Back to California, United States. Do you have any pictures of this city? ![]() Planning a vacation? Current weather forecast for Clayton, CA Land area: 3.9 square miles Zip code: 94517 Median resident age: 40.2 years New: Clayton, CA residents, houses, and apartments details Races in Clayton:
New: Political contributions by individuals in Clayton, CA Ancestries: German (20.5%), Irish (18.2%), English (14.0%), Italian (12.6%), Polish (4.1%), United States (4.0%). |
![]() For population 25 years and over in Clayton
For population 15 years and over in Clayton city
8.2% Foreign born (3.1% Asia, 2.6% Europe, 1.6% Latin America). |
![]() Nearest city with pop. 50,000+: Concord, CA (5.9 miles, pop. 121,780). Nearest city with pop. 200,000+: Oakland, CA (22.6 miles, pop. 399,484). Nearest city with pop. 1,000,000+: Los Angeles, CA (361.7 miles, pop. 3,694,820). Nearest cities: Concord, CA (5.9 miles), Pittsburg, CA (5.9 miles), Bay Point, CA (6.2 miles), Diablo, CA (7.5 miles), Walnut Creek, CA (8.1 miles), Waldon, CA (8.3 miles), Alamo, CA (8.8 miles), Clyde, CA (8.8 miles). Area code: 925 Industries providing employment: Educational,health and social services (18.7%), Finance,insurance,real estate,and rental and leasing (15.0%), Professional,scientific,management,administrative,and waste management services (12.9%), Retail trade (10.6%). |
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) | 47.1 | 49.4 | 51.1 | 55.2 | 60.4 | 66.9 | 72.4 | 72.2 | 69.8 | 63.1 | 52.9 | 47.6 |
| High temperature (°F) | 55.1 | 57.8 | 60.5 | 66.3 | 72.6 | 80.1 | 86.1 | 85.8 | 82.7 | 74.9 | 62.2 | 55.8 |
| Low temperature (°F) | 39.1 | 40.9 | 41.6 | 44.1 | 48.2 | 53.6 | 58.8 | 58.7 | 56.8 | 51.4 | 43.6 | 39.3 |
| Precipitation (in) | 4.5 | 4.2 | 3.6 | 1.3 | 0.8 | 0.1 | 0.0 | 0.1 | 0.3 | 1.2 | 3.0 | 3.1 |
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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