Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Saint Helier is from June, July, August. — consistent weather climate
🌥Mild
| Score | 9 | 14 | 25 | 44 | 59 | 77 | 81 | 79 | 75 | 51 | 21 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Mild | Mild | Pleasant | Pleasant | Mild | Cool & rainy | Cold | Cold |
| Temperature | 7–9°C | 7–10°C | 7–11°C | 8–13°C | 11–15°C | 14–18°C | 16–20°C | 16–20°C | 15–19°C | 13–16°C | 10–13°C | 8–11°C |
| Feels like | 1–5°C | 1–5°C | 2–7°C | 4–10°C | 8–14°C | 11–18°C | 14–20°C | 14–20°C | 13–17°C | 9–14°C | 5–9°C | 3–7°C |
| Precipitation | 114mm 18 days | 81mm 15 days | 77mm 15 days | 44mm 9 days | 56mm 11 days | 64mm 10 days | 56mm 11 days | 76mm 12 days | 80mm 12 days | 108mm 15 days | 126mm 19 days | 120mm 18 days |
| Sunshine | 3.7h ☀︎ 43% | 5.2h ☀︎ 51% | 7.1h ☀︎ 60% | 10.7h ☀︎ 78% | 11.8h ☀︎ 77% | 12.4h ☀︎ 77% | 12.5h ☀︎ 79% | 11.0h ☀︎ 77% | 9.7h ☀︎ 77% | 6.9h ☀︎ 64% | 4.4h ☀︎ 49% | 3.4h ☀︎ 41% |
| Wind | W · 35 km/h | SW · 35 km/h | SW · 33 km/h | NE · 28 km/h | NW · 26 km/h | NW · 25 km/h | W · 26 km/h | W · 26 km/h | W · 28 km/h | SW · 31 km/h | SW · 36 km/h | SW · 36 km/h |
| Humidity (%) | 79% | 78% | 79% | 76% | 79% | 80% | 79% | 80% | 77% | 79% | 78% | 81% |
| Day length | 8.7h | 10.2h | 11.9h | 13.8h | 15.3h | 16.2h | 15.7h | 14.3h | 12.6h | 10.8h | 9.1h | 8.3h |