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The temperatures in Karlovac in April are quite cold with temperatures between 5°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Karlovac during the month of April. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Karlovac can expect a few days of snow in April.
Our weather forecast can give you a great sense of what weather to expect in Karlovac in April 2025.
If you’re planning to visit Karlovac in the near future, we highly recommend that you review the 14 day weather forecast for Karlovac before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -3° | 8 | 11 | 14 | 152 mm | Awful | Karlovac in January |
| February | 5° / -2° | 9 | 10 | 10 | 171 mm | Awful | Karlovac in February |
| March | 10° / 2° | 8 | 19 | 5 | 128 mm | Awful | Karlovac in March |
| April | 15° / 5° | 7 | 21 | 2 | 126 mm | Bad | Karlovac in April |
| May | 19° / 8° | 10 | 21 | 0 | 193 mm | Ok | Karlovac in May |
| June | 24° / 12° | 8 | 22 | 0 | 136 mm | Good | Karlovac in June |
| July | 27° / 13° | 6 | 25 | 0 | 113 mm | Perfect | Karlovac in July |
| August | 27° / 13° | 5 | 26 | 0 | 98 mm | Perfect | Karlovac in August |
| September | 21° / 10° | 6 | 24 | 0 | 149 mm | Good | Karlovac in September |
| October | 15° / 6° | 6 | 25 | 0 | 143 mm | Good | Karlovac in October |
| November | 10° / 3° | 9 | 18 | 4 | 185 mm | Awful | Karlovac in November |
| December | 6° / -1° | 8 | 15 | 8 | 141 mm | Awful | Karlovac in December |