Mljet Island Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Mljet Island, Croatia in December.

Thinking about venturing to Mljet Island, Croatia this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Mljet Island in December

Mljet Island, Croatia is a region in Croatia. December in Mljet Island generally has mild temperatures, with precipitation levels ranging from high to heavy. During December, winter is in full swing.

Temperatures

You can expect mild maximum daytime temperatures of around 13°C (55°F) and nighttime temperatures around 7°C (45°F) in Saplunara.

To learn more about the conditions in specific areas of Mljet Island, Croatia, check out the map below.

Precipitation

In December, precipitation varies across different areas. From high rainfall in Ropa with an average of 151 mm (5.9 in) to heavy rainfall in Saplunara with 167 mm (6.6 in).

Average sunshine

Most places get a reasonable amount of sunshine. Take Saplunara as an example - it receives around 125 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

Explore Mljet Island by month

Pick a month to see the average temperature, rainfall and sunshine in Mljet Island — and find the best time to visit. (based on Saplunara)

Best Places to Visit in Mljet Island in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Mljet Island.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Mljet Island

What is the weather like in December for some of the most popular destinations in Mljet Island, Croatia?

Temperature range in Mljet Island (December)

Precipitation variation in Mljet Island (December)

Saplunara

In December Saplunara generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 7°C (45°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
17°C (63°F)
13°C (55°F)
12°C (54°F)
Min temperature
11°C (52°F)
7°C (45°F)
6°C (43°F)
Monthly sun hours
136 hours
125 hours
130 hours
Monthly rainfall
200 mm (7.9 in)
167 mm (6.6 in)
129 mm (5.1 in)
Monthly rainy days
13 days
13 days
13 days
Weather conditions

Sobra

In December Sobra generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
17°C (63°F)
13°C (55°F)
12°C (54°F)
Min temperature
11°C (52°F)
7°C (45°F)
6°C (43°F)
Monthly sun hours
136 hours
125 hours
130 hours
Monthly rainfall
184 mm (7.2 in)
156 mm (6.1 in)
119 mm (4.7 in)
Monthly rainy days
13 days
13 days
13 days
Weather conditions

Okuklje

In December Okuklje generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 7°C (45°F) and heavy monthly rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
17°C (63°F)
13°C (55°F)
12°C (54°F)
Min temperature
11°C (52°F)
7°C (45°F)
6°C (43°F)
Monthly sun hours
136 hours
125 hours
130 hours
Monthly rainfall
191 mm (7.5 in)
161 mm (6.3 in)
124 mm (4.9 in)
Monthly rainy days
13 days
13 days
13 days
Weather conditions

Polače

In December Polače generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
17°C (63°F)
14°C (57°F)
12°C (54°F)
Min temperature
12°C (54°F)
8°C (46°F)
7°C (45°F)
Monthly sun hours
136 hours
125 hours
130 hours
Monthly rainfall
190 mm (7.5 in)
160 mm (6.3 in)
121 mm (4.8 in)
Monthly rainy days
13 days
13 days
13 days
Weather conditions

Pomena

In December Pomena generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 8°C (46°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
17°C (63°F)
14°C (57°F)
12°C (54°F)
Min temperature
12°C (54°F)
8°C (46°F)
7°C (45°F)
Monthly sun hours
136 hours
125 hours
130 hours
Monthly rainfall
193 mm (7.6 in)
162 mm (6.4 in)
122 mm (4.8 in)
Monthly rainy days
13 days
13 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Mljet Island, in Croatia.

Popular cities in December

Day & night temperatures, rainfall and average weather in Mljet Island in December.

City Weather Day temp Night temp Rainfall
Saplunara 13°C (55°F) 7°C (45°F) 167 mm (6.6 in)
Sobra 13°C (55°F) 7°C (45°F) 156 mm (6.1 in)
Okuklje 13°C (55°F) 7°C (45°F) 161 mm (6.3 in)
Polače 14°C (57°F) 8°C (46°F) 160 mm (6.3 in)
Pomena 14°C (57°F) 8°C (46°F) 162 mm (6.4 in)
Kozarica 13°C (55°F) 7°C (45°F) 154 mm (6.1 in)

Mljet Island weather in December: frequently asked questions

What is the weather like in Mljet Island, Croatia in December?

In December, Mljet Island, Croatia generally has poor weather conditions. Saplunara sees daytime temperatures near 13°C (55°F), with nights cooling to roughly 7°C (45°F).

What is the average temperature in Mljet Island, Croatia in December?

Daytime temperatures in Saplunara peak at roughly 13°C (55°F) in December, dropping to about 7°C (45°F) overnight.

Does Mljet Island, Croatia get a lot of rain in December?

Expect plenty of rainfall. Saplunara records an average of 167 mm (6.6 in) in December, putting it among the wetter months for Mljet Island, Croatia.

Is December a Good Time to Visit Mljet Island, Croatia?

Given the typically poor weather conditions in Saplunara, December may not be the ideal time to visit Mljet Island, Croatia.

Generally speaking, the best visiting conditions can be found in May and June offering mostly perfect weather in Saplunara. On the other hand, the months of January, February, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Mljet Island.

Weather and climate has detailed information for every country in the world. Are you going to Croatia? Get detailed 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.