Best Time to Visit Koper: Month-by-Month Guide
Best months for Koper: July, August, June, September.
- Best months for Koper: July, August, June, September.
- Peak season is August, July, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: May, September. Good weather without the busiest period.
- Wettest months: November, October, May.
- The least pleasant month is December (score 5.4).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 7°C | 3°C | 77 mm | 9 | – | – | 5.5 |
| February | 8°C | 3°C | 85 mm | 9 | – | – | 5.7 |
| March | 12°C | 6°C | 86 mm | 9 | – | – | 6.2 |
| April | 16°C | 9°C | 95 mm | 11 | – | – | 6.5 |
| May | 20°C | 14°C | 103 mm | 12 | – | – | 7.1 |
| June | 24°C | 18°C | 84 mm | 10 | – | – | 7.7 |
| July | 27°C | 20°C | 62 mm | 8 | – | – | 8.0 |
| August | 27°C | 20°C | 90 mm | 9 | – | – | 7.9 |
| September | 22°C | 16°C | 146 mm | 10 | – | – | 7.4 |
| October | 17°C | 12°C | 157 mm | 13 | – | – | 6.3 |
| November | 12°C | 8°C | 167 mm | 13 | – | – | 5.4 |
| December | 8°C | 3°C | 112 mm | 10 | – | – | 5.4 |
Frequently asked questions
When is the best time to visit Koper?
The best months are July, August, June, September.
When is the rainy season in Koper?
The wettest months are November, October, May.