Click on a day for an hourly weather forecast
The temperatures in Postojna in October are quite cold with temperatures between 6°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Postojna during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Postojna can expect a few days of snow in October.
Our weather forecast can give you a great sense of what weather to expect in Postojna in October 2025.
If you’re planning to visit Postojna in the near future, we highly recommend that you review the 14 day weather forecast for Postojna before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -2° | 10 | 8 | 14 | 167 mm | Awful | Postojna in January |
| February | 5° / -2° | 10 | 7 | 13 | 208 mm | Awful | Postojna in February |
| March | 9° / 1° | 8 | 16 | 6 | 170 mm | Awful | Postojna in March |
| April | 14° / 4° | 8 | 20 | 3 | 153 mm | Bad | Postojna in April |
| May | 18° / 7° | 13 | 18 | 0 | 231 mm | Ok | Postojna in May |
| June | 24° / 11° | 11 | 19 | 0 | 219 mm | Good | Postojna in June |
| July | 26° / 13° | 10 | 21 | 0 | 201 mm | Good | Postojna in July |
| August | 26° / 13° | 8 | 23 | 0 | 173 mm | Good | Postojna in August |
| September | 21° / 10° | 9 | 21 | 0 | 233 mm | Ok | Postojna in September |
| October | 15° / 6° | 7 | 23 | 1 | 182 mm | Ok | Postojna in October |
| November | 10° / 3° | 11 | 16 | 3 | 259 mm | Awful | Postojna in November |
| December | 5° / -1° | 8 | 13 | 10 | 213 mm | Awful | Postojna in December |