The weather in Portoroz in December is very cold with temperatures between 2°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Portoroz. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Portoroz can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Portoroz in December 2024.
If you’re planning to visit Portoroz in the near future, we highly recommend that you review the 14 day weather forecast for Portoroz before you arrive.