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| Back to California, United States. Do you have any pictures of this city? ![]() Planning a vacation? Current weather forecast for Walnut, CA Elevation: 569 feet County: Los Angeles Land area: 9.0 square miles Zip codes: 91789. Median resident age: 37.2 years New: Walnut, CA residents, houses, and apartments details Races in Walnut:
New: Political contributions by individuals in Walnut, CA Ancestries: German (5.3%), English (3.4%), Irish (2.8%), Italian (2.6%), United States (1.4%), French (1.0%). |
![]() For population 25 years and over in Walnut
For population 15 years and over in Walnut city
46.2% Foreign born (39.6% Asia, 4.9% Latin America). |
![]() Nearest city with pop. 50,000+: Diamond Bar, CA (3.3 miles, pop. 56,287). Nearest city with pop. 200,000+: Anaheim, CA (13.4 miles, pop. 328,014). Nearest city with pop. 1,000,000+: Los Angeles, CA (35.6 miles, pop. 3,694,820). Nearest cities: South San Jose Hills, CA (3.3 miles), Diamond Bar, CA (3.3 miles), Rowland Heights, CA (3.8 miles), West Covina, CA (4.5 miles), Covina, CA (4.6 miles), Valinda, CA (4.8 miles), Charter Oak, CA (5.1 miles), San Dimas, CA (6.0 miles). Single-family new house construction building permits:
Area code commonly used in this area: 909 Industries providing employment: Educational,health and social services (20.7%), Manufacturing (13.8%), Retail trade (10.5%). |
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) | 55.8 | 57.2 | 58.1 | 61.6 | 65.0 | 69.4 | 74.0 | 74.7 | 73.1 | 67.4 | 60.7 | 56.1 |
| High temperature (°F) | 68.2 | 69.4 | 69.7 | 74.2 | 76.7 | 81.7 | 87.5 | 88.3 | 86.3 | 80.5 | 73.7 | 69.0 |
| Low temperature (°F) | 43.4 | 45.0 | 46.4 | 48.9 | 53.3 | 57.1 | 60.5 | 61.2 | 59.8 | 54.4 | 47.6 | 43.2 |
| Precipitation (in) | 4.4 | 4.6 | 3.8 | 1.0 | 0.4 | 0.1 | 0.0 | 0.2 | 0.4 | 0.7 | 1.5 | 2.4 |
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 | 81 | 82 | 82 | 82 | 83 | 81 | 79 | 77 |
| Afternoon humidity (%) | 53 | 54 | 55 | 51 | 55 | 56 | 54 | 53 | 54 | 54 | 53 | 52 |
| Sunshine (%) | 71 | 71 | 71 | 70 | 62 | 62 | 70 | 72 | 71 | 70 | 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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