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| Back to California, United States. Do you have any pictures of this city? ![]() Planning a vacation? Current weather forecast for Rancho Cucamonga, CA Elevation: 1200 feet County: San Bernardino Land area: 37.4 square miles Median resident age: 32.2 years New: Rancho Cucamonga, CA residents, houses, and apartments details Races in Rancho Cucamonga:
New: Political contributions by individuals in Rancho Cucamonga, CA Ancestries: German (12.9%), Irish (9.2%), English (8.3%), Italian (6.2%), United States (4.6%), French (3.0%). |
![]() For population 25 years and over in Rancho Cucamonga
For population 15 years and over in Rancho Cucamonga city
13.8% Foreign born (6.7% Latin America, 5.2% Asia). |
![]() Nearest city with pop. 200,000+: Riverside, CA (17.5 miles, pop. 255,166). Nearest city with pop. 1,000,000+: Los Angeles, CA (54.8 miles, pop. 3,694,820). Nearest cities: Upland, CA (5.5 miles), Ontario, CA (5.9 miles), San Antonio Heights, CA (6.0 miles), Fontana, CA (8.5 miles), Montclair, CA (8.9 miles), Glen Avon, CA (9.5 miles), Claremont, CA (9.7 miles), Chino, CA (10.5 miles). Single-family new house construction building permits:
Area code commonly used in this area: 909 Industries providing employment: Educational,health and social services (20.9%), Retail trade (13.2%), Manufacturing (12.9%). |
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) | 54.7 | 56.4 | 57.5 | 61.4 | 65.4 | 70.6 | 75.8 | 76.4 | 73.9 | 67.3 | 59.5 | 54.8 |
| High temperature (°F) | 67.4 | 69.0 | 69.7 | 74.9 | 78.2 | 84.8 | 91.1 | 91.8 | 88.6 | 81.5 | 73.5 | 68.3 |
| Low temperature (°F) | 41.9 | 43.7 | 45.2 | 47.8 | 52.5 | 56.4 | 60.5 | 61.0 | 59.2 | 53.1 | 45.4 | 41.2 |
| Precipitation (in) | 6.0 | 6.3 | 5.6 | 1.4 | 0.6 | 0.1 | 0.0 | 0.2 | 0.5 | 0.9 | 2.0 | 3.3 |
Based on data reported by main weather stations
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Days with precip. | 6 | 5 | 5 | 3 | 1 | 0 | 0 | 0 | 1 | 2 | 3 | 5 |
| Wind speed (mph) | 5.2 | 6.0 | 6.7 | 7.4 | 7.1 | 7.0 | 6.8 | 6.6 | 6.2 | 5.6 | 5.2 | 5.0 |
| Morning humidity (%) | 76 | 78 | 80 | 80 | 80 | 81 | 81 | 81 | 82 | 81 | 79 | 77 |
| Afternoon humidity (%) | 53 | 54 | 55 | 51 | 55 | 56 | 54 | 53 | 54 | 54 | 53 | 52 |
| Sunshine (%) | 71 | 72 | 72 | 71 | 63 | 63 | 71 | 73 | 72 | 71 | 75 | 72 |
| Days clear of clouds | 12 | 10 | 11 | 12 | 10 | 12 | 18 | 19 | 15 | 13 | 13 | 13 |
| Partly cloudy days | 8 | 7 | 9 | 10 | 13 | 12 | 11 | 10 | 11 | 11 | 8 | 8 |
| Cloudy days | 11 | 11 | 11 | 8 | 8 | 6 | 2 | 2 | 4 | 7 | 8 | 10 |
| 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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