Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Boulogne-sur-Mer is from June, July, August, but considering flight prices and crowds, the best months to visit are June, July, September. — consistent weather climate
🌥Mild
| Score | 8 | 10 | 25 | 39 | 59 | 81 | 79 | 79 | 78 | 40 | 14 | 6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cold | Mild | Mild | Mild | Pleasant | Mild | Cool & rainy | Cold | Cold |
| Temperature | 4–8°C | 5–9°C | 5–11°C | 6–13°C | 10–15°C | 13–19°C | 15–20°C | 16–21°C | 14–20°C | 11–16°C | 8–12°C | 5–9°C |
| Feels like | -1–4°C | 0–5°C | 1–7°C | 2–9°C | 7–14°C | 11–18°C | 13–20°C | 15–21°C | 12–19°C | 8–13°C | 4–8°C | 1–5°C |
| Precipitation | 120mm 17 days | 100mm 17 days | 85mm 16 days | 63mm 11 days | 57mm 11 days | 62mm 11 days | 76mm 14 days | 76mm 14 days | 88mm 13 days | 165mm 20 days | 149mm 19 days | 136mm 21 days |
| Sunshine | 3.7h ☀︎ 43% | 4.4h ☀︎ 44% | 7.1h ☀︎ 60% | 10.4h ☀︎ 75% | 11.8h ☀︎ 76% | 12.3h ☀︎ 75% | 11.9h ☀︎ 74% | 11.3h ☀︎ 78% | 8.7h ☀︎ 69% | 5.3h ☀︎ 50% | 3.5h ☀︎ 39% | 2.4h ☀︎ 30% |
| Wind | SO · 30 km/h | SO · 34 km/h | S · 28 km/h | NE · 26 km/h | O · 25 km/h | O · 23 km/h | SO · 25 km/h | O · 25 km/h | SO · 24 km/h | SO · 29 km/h | SO · 29 km/h | SO · 31 km/h |
| Humidity (%) | 84% | 82% | 79% | 74% | 78% | 77% | 78% | 78% | 77% | 81% | 82% | 85% |
| Day length | 8.5h | 10.1h | 11.9h | 13.9h | 15.5h | 16.4h | 16.0h | 14.5h | 12.6h | 10.7h | 9.0h | 8.0h |
| Tourist Crowds | Low season | Low season | Low season | Shoulder season | High season | Shoulder season | High season | High season | Shoulder season | Shoulder season | Low season | Low season |