Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in San Bruno is from June, July, August. — consistent weather climate
🌥Mild
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| Score | 43 | 53 | 53 | 72 | 81 | 98 | 98 | 98 | 98 | 94 | 70 | 40 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Mild | Mild | Mild | Mild | Mild | Mild | Mild | Mild | Mild | Cold |
| Temperature | 8–14°C | 8–14°C | 9–15°C | 10–16°C | 11–17°C | 12–19°C | 13–20°C | 14–21°C | 14–21°C | 12–21°C | 9–16°C | 8–13°C |
| Feels like | 5–12°C | 5–12°C | 6–13°C | 7–14°C | 8–15°C | 10–18°C | 11–19°C | 12–20°C | 13–21°C | 11–19°C | 8–14°C | 5–11°C |
| Precipitation | 116mm 11 days | 83mm 8 days | 90mm 11 days | 29mm 5 days | 17mm 3 days | 1mm 0 days | 1mm 0 days | 1mm 1 days | 3mm 1 days | 30mm 3 days | 57mm 6 days | 127mm 11 days |
| Sunshine | 6.6h ☀︎ 66% | 8.9h ☀︎ 82% | 9.5h ☀︎ 79% | 11.3h ☀︎ 85% | 12.5h ☀︎ 88% | 13.1h ☀︎ 89% | 12.9h ☀︎ 89% | 12.1h ☀︎ 89% | 11.3h ☀︎ 91% | 9.8h ☀︎ 87% | 8.5h ☀︎ 84% | 6.7h ☀︎ 70% |
| Wind | NE · 19 km/h | NW · 22 km/h | W · 22 km/h | W · 25 km/h | W · 26 km/h | W · 27 km/h | SW · 25 km/h | W · 24 km/h | W · 22 km/h | W · 20 km/h | NW · 17 km/h | NE · 18 km/h |
| Humidity (%) | 84% | 79% | 80% | 79% | 78% | 77% | 80% | 81% | 78% | 75% | 80% | 83% |
| Day length | 9.9h | 10.8h | 12.0h | 13.2h | 14.2h | 14.7h | 14.5h | 13.6h | 12.4h | 11.2h | 10.1h | 9.6h |