Average Weather during December in Opatija (Istria), Croatia

The average minimum temperature (usually the minimum temperature is noted during the night) in Opatija in December is 4.0°C (39.2°F). The amount of rain in December is high with an average of 92mm (3.6in). This month is known as a chilly month. The average maximum temperature lies around 8.0°C (46.4°F). With a water temperature of around 11.0°C (51.8°F), this is not the best month to swim. In this month you will hardly see any sunshine with 84 hours of sun during the whole month.

So what to wear in December? Visitors traveling to Opatija should plan on bringing a totally waterproof rain jacket since it will often be raining. Also plan on bringing your warm clothes, it can be a bit chilly during this period.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in December look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 4 °C
Max Temperature 8 °C
Water Temperature 11 °C
Chance of Rain 30%
Precipitation 92mm
Rainy Days 9
Sunshine Hours 84

What To Do

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

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

More Climate Information For Opatija

Weather and Climate offers all the information you need to know about the climate in Opatija.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Croatia and climate and forecast data for all other countries in the world.