Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Chelsea is from May, June, September. — consistent weather climate
🌦Humid
| Score | 10 | 13 | 19 | 43 | 82 | 82 | 79 | 82 | 84 | 60 | 24 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Mild | Humid | Humid | Pleasant | Pleasant | Mild | Cold | Cold |
| Temperature | -6–1°C | -6–3°C | 0–10°C | 4–14°C | 10–21°C | 16–27°C | 18–28°C | 18–27°C | 14–23°C | 8–17°C | 2–10°C | -2–4°C |
| Feels like | -10–-4°C | -11–-2°C | -5–6°C | 0–11°C | 8–20°C | 16–27°C | 19–30°C | 18–29°C | 13–23°C | 6–14°C | -2–6°C | -7–0°C |
| Precipitation | 72mm 12 days | 55mm 10 days | 80mm 10 days | 82mm 12 days | 70mm 9 days | 81mm 8 days | 98mm 9 days | 77mm 8 days | 70mm 8 days | 82mm 10 days | 47mm 9 days | 62mm 11 days |
| Sunshine | 2.8h ☀︎ 30% | 6.3h ☀︎ 59% | 6.6h ☀︎ 55% | 7.8h ☀︎ 59% | 10.1h ☀︎ 69% | 12.1h ☀︎ 80% | 12.0h ☀︎ 81% | 11.4h ☀︎ 82% | 9.2h ☀︎ 74% | 7.3h ☀︎ 66% | 5.8h ☀︎ 59% | 2.7h ☀︎ 30% |
| Wind | W · 19 km/h | W · 21 km/h | W · 22 km/h | SW · 21 km/h | S · 19 km/h | SW · 18 km/h | W · 16 km/h | W · 15 km/h | SW · 17 km/h | W · 19 km/h | SW · 21 km/h | SW · 20 km/h |
| Humidity (%) | 78% | 73% | 68% | 66% | 65% | 64% | 71% | 72% | 73% | 72% | 72% | 78% |
| Day length | 9.5h | 10.6h | 12.0h | 13.4h | 14.6h | 15.2h | 14.9h | 13.8h | 12.5h | 11.0h | 9.8h | 9.1h |