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Portorož weather in December (Carinthia, Slovenia)

How is the weather in Portorož in December? This guide provides all the details you need.

In December, Portorož typically experiences low temperatures and high rainfall. December is a winter month. Daytime temperatures hover around 11°C, while nights can cool down to about 6°C.

Portorož in December usually receives high rainfall, averaging around 119 mm for the month. Rain is expected on roughly 12 days.

The city usually sees around 95 hours of sunlight, indicating fewer sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Portorož. May, June, July and August generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Portorož climate page with graphs.

 

Portorož, monthly averages in December

Min TemperatureMin Temperature 6°C  
Max TemperatureMax Temperature 11°C  
Chance of RainChance of Rain 39%  
PrecipitationPrecipitation 119 mm  
Rainy daysRainy days 12 days  
HumidityHumidity 67%  
SunshineSunshine 95 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Slovenia in December

Find out more about the weather in Slovenia in December and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Portorož in December?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Swimming
4/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
5/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Portorož.

Our site offers climate and forecast data for every country in the world. Are you going to Slovenia? On this website you can find historical weather averages for many cities in Slovenia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.