Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in South San Francisco is from July, August, September. — consistent weather climate
🌥Mild
| Score | 47 | 57 | 45 | 68 | 78 | 92 | 98 | 98 | 97 | 94 | 68 | 35 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Mild | Mild | Mild | Mild | Mild | Mild | Mild | Mild | Cold |
| Temperature | 8–14°C | 7–14°C | 8–14°C | 9–15°C | 10–17°C | 12–19°C | 12–19°C | 13–20°C | 14–21°C | 12–21°C | 9–16°C | 8–13°C |
| Feels like | 5–12°C | 4–12°C | 5–12°C | 6–13°C | 7–15°C | 9–17°C | 10–18°C | 12–19°C | 12–20°C | 11–19°C | 7–14°C | 5–12°C |
| Precipitation | 95mm 9 days | 54mm 7 days | 92mm 12 days | 20mm 4 days | 17mm 3 days | 1mm 0 days | 0mm 0 days | 1mm 0 days | 4mm 1 days | 36mm 3 days | 61mm 5 days | 172mm 13 days |
| Sunshine | 6.9h ☀︎ 70% | 9.1h ☀︎ 84% | 9.5h ☀︎ 79% | 11.5h ☀︎ 87% | 12.6h ☀︎ 88% | 12.9h ☀︎ 87% | 12.4h ☀︎ 86% | 11.9h ☀︎ 88% | 11.1h ☀︎ 89% | 9.6h ☀︎ 86% | 8.5h ☀︎ 84% | 6.2h ☀︎ 65% |
| Wind | NW · 22 km/h | NW · 24 km/h | W · 26 km/h | W · 28 km/h | W · 29 km/h | W · 30 km/h | SW · 27 km/h | SW · 26 km/h | W · 24 km/h | W · 21 km/h | NW · 19 km/h | N · 19 km/h |
| Humidity (%) | 84% | 79% | 79% | 79% | 78% | 78% | 80% | 81% | 80% | 75% | 79% | 85% |
| Day length | 9.9h | 10.8h | 12.0h | 13.2h | 14.2h | 14.7h | 14.5h | 13.6h | 12.4h | 11.2h | 10.2h | 9.6h |