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.