Best Time to Hike JK15
Month-by-month temperatures and rainfall for JK15, Slovenia, based on 2-year climate normals.
Month-by-month weather on JK15
| Month | Avg high | Avg low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 5.5°C / 42°F | -2°C / 28°F | 234 mm | 12 |
| February | 7.8°C / 46°F | 0.2°C / 32°F | 190 mm | 12 |
| March | 10.6°C / 51°F | 2.1°C / 36°F | 325 mm | 19 |
| April | 14.4°C / 58°F | 4.8°C / 41°F | 197 mm | 15 |
| May | 16.3°C / 61°F | 8.2°C / 47°F | 345 mm | 20 |
| June | 22.4°C / 72°F | 13.9°C / 57°F | 202 mm | 16 |
| July | 23.9°C / 75°F | 15°C / 59°F | 216 mm | 17 |
| August | 24.9°C / 77°F | 15.5°C / 60°F | 109 mm | 11 |
| September | 19°C / 66°F | 11.1°C / 52°F | 322 mm | 17 |
| October | 14.3°C / 58°F | 6.5°C / 44°F | 380 mm | 18 |
| November | 9.6°C / 49°F | 0.6°C / 33°F | 147 mm | 8 |
| December | 7.1°C / 45°F | -1.3°C / 30°F | 45 mm | 6 |
Highlighted rows are the recommended hiking window. Climate normals via Open-Meteo (2-year average). Mountain weather varies — always check a live forecast before you set off.
The best months to hike JK15 are April, May, September. Expect daytime highs around 17°C (63°F) and nights near 8°C (46°F).
Pack flexible layers and a reliable rain shell — conditions can shift quickly in the mountains.