Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Diamond Bar is from April, May, November. — consistent weather climate
☀️Pleasant
| Score | 72 | 72 | 71 | 90 | 96 | 84 | 56 | 52 | 57 | 90 | 93 | 76 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Mild | Cool & rainy | Cool & rainy | Mild | Pleasant | Pleasant | Pleasant | Hot & dry | Pleasant | Pleasant | Mild | Mild |
| Temperature | 8–18°C | 8–20°C | 9–20°C | 11–24°C | 12–26°C | 15–30°C | 17–34°C | 18–35°C | 18–33°C | 15–29°C | 10–23°C | 8–19°C |
| Feels like | 5–16°C | 5–17°C | 7–18°C | 10–23°C | 12–25°C | 15–30°C | 18–34°C | 20–35°C | 19–33°C | 14–27°C | 8–20°C | 6–17°C |
| Precipitation | 91mm 7 days | 109mm 7 days | 103mm 13 days | 32mm 6 days | 11mm 4 days | 3mm 2 days | 3mm 0 days | 19mm 1 days | 25mm 2 days | 9mm 2 days | 25mm 3 days | 77mm 7 days |
| Sunshine | 8.4h ☀︎ 82% | 8.8h ☀︎ 81% | 9.4h ☀︎ 78% | 10.1h ☀︎ 77% | 11.0h ☀︎ 79% | 12.2h ☀︎ 85% | 13.2h ☀︎ 93% | 12.2h ☀︎ 91% | 10.8h ☀︎ 88% | 9.8h ☀︎ 87% | 9.3h ☀︎ 89% | 7.8h ☀︎ 79% |
| Wind | E · 13 km/h | E · 14 km/h | SW · 17 km/h | SW · 17 km/h | SW · 19 km/h | SW · 19 km/h | SW · 19 km/h | SW · 19 km/h | SW · 17 km/h | W · 15 km/h | E · 13 km/h | E · 12 km/h |
| Humidity (%) | 63% | 58% | 68% | 66% | 67% | 63% | 60% | 58% | 60% | 54% | 48% | 58% |
| 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 |