Slovenia
Koper sees feels-like daytime highs peak around 32.1°C in July and nighttime lows bottom out near 2.5°C in January. October is the wettest month (~98 mm), while February is the driest (~52 mm). For sunshine, July leads with about 72% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are May, September, and June — expect around 15.3–24.2°C with roughly 29% chance of rain on a given day in May.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | 2.5° / 7.1° | 21% | 54 mm | 47% | 12.8 kph |
| February | 3° / 8.2° | 19% | 52 mm | 50% | 13 kph |
| March | 6.2° / 12.5° | 22% | 58 mm | 49% | 12.2 kph |
| April | 10.2° / 17.6° | 27% | 62 mm | 49% | 11.1 kph |
| May☀ | 15.3° / 24.2° | 29% | 68 mm | 52% | 10.1 kph |
| June☀ | 20.2° / 29.6° | 29% | 64 mm | 61% | 9.2 kph |
| July | 22.6° / 32.1° | 24% | 52 mm | 72% | 9 kph |
| August | 22.4° / 31.9° | 24% | 61 mm | 71% | 9.4 kph |
| September☀ | 18.8° / 26.9° | 27% | 87 mm | 61% | 10.5 kph |
| October | 13.6° / 20.4° | 30% | 98 mm | 52% | 11.9 kph |
| November | 7.8° / 13.3° | 28% | 92 mm | 45% | 12.8 kph |
| December | 4.1° / 9.3° | 25% | 73 mm | 45% | 12.8 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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