Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Rancho Cucamonga is from April, May, October. — consistent weather climate
☀️Pleasant
| Score | 56 | 65 | 72 | 93 | 94 | 91 | 61 | 59 | 79 | 96 | 93 | 61 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cool & rainy | Mild | Mild | Mild | Pleasant | Pleasant | Hot & dry | Hot & dry | Pleasant | Pleasant | Mild | Mild |
| Temperature | 7–17°C | 7–19°C | 8–20°C | 11–24°C | 12–25°C | 15–30°C | 18–34°C | 19–34°C | 18–32°C | 15–28°C | 10–23°C | 7–18°C |
| Feels like | 4–15°C | 4–16°C | 6–18°C | 9–22°C | 11–24°C | 15–30°C | 19–34°C | 20–34°C | 18–31°C | 14–26°C | 7–19°C | 4–15°C |
| Precipitation | 106mm 8 days | 84mm 8 days | 91mm 11 days | 25mm 5 days | 16mm 5 days | 2mm 1 days | 4mm 1 days | 7mm 0 days | 16mm 2 days | 16mm 3 days | 32mm 4 days | 75mm 7 days |
| Sunshine | 8.3h ☀︎ 81% | 9.0h ☀︎ 82% | 10.1h ☀︎ 84% | 11.1h ☀︎ 85% | 11.7h ☀︎ 84% | 13.0h ☀︎ 90% | 13.6h ☀︎ 96% | 12.6h ☀︎ 94% | 11.2h ☀︎ 91% | 10.2h ☀︎ 90% | 9.4h ☀︎ 90% | 8.2h ☀︎ 83% |
| Wind | N · 13 km/h | NW · 14 km/h | W · 16 km/h | W · 19 km/h | W · 20 km/h | W · 20 km/h | W · 20 km/h | W · 20 km/h | W · 19 km/h | W · 17 km/h | NW · 14 km/h | N · 12 km/h |
| Humidity (%) | 61% | 57% | 63% | 58% | 64% | 57% | 53% | 52% | 54% | 48% | 45% | 54% |
| Day length | 10.2h | 11.0h | 12.0h | 13.1h | 13.9h | 14.4h | 14.2h | 13.4h | 12.4h | 11.3h | 10.4h | 9.9h |