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Opatija weather in December (Istria, Croatia)

Wondering what the weather is like in Opatija during December? Here's what you need to know about the weather for the month.

Temperatures

Typically, December in Opatija includes low temperatures and heavy rainfall. December is a notable month of the winter season. Anticipate daytime highs near 8°C, and cooler nights with temperatures around 2°C.

Precipitation

Opatija in December falls under the rainy season with heavy rainfall, averaging around 177 mm for the month. Analyzing past climate data, one can expect approximately 14 days of rain.

Average sunshine

The month experiences a moderate amount of sunlight, with 100 hours hours. A nice balance between sunshine and clouds.

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

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Croatia, check out our Opatija's climate page.

Opatija, monthly averages in December

Min TemperatureMin Temperature 2°C  
Max TemperatureMax Temperature 8°C  
Water TemperatureWater Temperature 14°C *  
Chance of RainChance of Rain 46%  
PrecipitationPrecipitation 177 mm  
Rainy daysRainy days 14 days  
HumidityHumidity 66% *  
SunshineSunshine 100 hours *  
Percentage SunshinePercentage Sunshine 39% *  
Data from: Rijeka, Croatia (7 KM, 4 Miles).

Where to go in Croatia in December

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

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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).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Croatia, check out our Opatija's climate page.

So, what should you wear in this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature. With a water temperature of around 14°C there is no need to bring your swimwear.

What To Do

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

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Opatija.

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