Best Time to Visit Boulogne-sur-Mer: Month-by-Month Guide
Best months for Boulogne-sur-Mer: July, August, June, September.
- Best months for Boulogne-sur-Mer: July, August, June, September.
- Peak season is August, July, September. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: June. Good weather without the busiest period.
- Wettest months: November, December, January.
- The least pleasant month is December (score 4.8).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 7°C | 4°C | 88 mm | 14 | – | – | 4.8 |
| February | 7°C | 4°C | 65 mm | 12 | – | – | 5.2 |
| March | 9°C | 5°C | 53 mm | 11 | – | – | 5.6 |
| April | 12°C | 7°C | 48 mm | 10 | – | – | 6.1 |
| May | 14°C | 10°C | 56 mm | 11 | – | – | 6.5 |
| June | 17°C | 12°C | 52 mm | 10 | – | – | 7.0 |
| July | 19°C | 15°C | 55 mm | 10 | – | – | 7.3 |
| August | 20°C | 15°C | 70 mm | 11 | – | – | 7.3 |
| September | 18°C | 13°C | 69 mm | 11 | – | – | 6.9 |
| October | 15°C | 11°C | 101 mm | 14 | – | – | 5.9 |
| November | 11°C | 7°C | 107 mm | 16 | – | – | 5.0 |
| December | 8°C | 5°C | 106 mm | 14 | – | – | 4.8 |
Frequently asked questions
When is the best time to visit Boulogne-sur-Mer?
The best months are July, August, June, September.
When is the rainy season in Boulogne-sur-Mer?
The wettest months are November, December, January.