Mljet Island Weather in January

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

Planning a journey to Mljet Island, Croatia this January and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Mljet Island in January

Mljet Island, Croatia is a region in Croatia. January in Mljet Island generally has mild temperatures, with high precipitation. It's the height of winter.

Temperatures

You can expect mild maximum daytime temperatures of around 12°C (54°F) and nighttime temperatures around 6°C (43°F) in Saplunara. On average, January is the coldest month of the year in Mljet Island, Croatia. So be prepared and make sure to pack winter cloths.

To explore the conditions in Mljet Island, Croatia in more detail, check the map below.

Precipitation

In January, precipitation varies across different areas. From high rainfall in Ropa with an average of 115 mm (4.5 in) to high rainfall in Saplunara with 129 mm (5.1 in).

Average sunshine

Sunshine is fairly consistent across many areas. Saplunara receives about 130 hours of sunlight in January, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

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 January

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 January for some of the most popular destinations in Mljet Island, Croatia?

Temperature range in Mljet Island (January)

Precipitation variation in Mljet Island (January)

Saplunara

In January Saplunara generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
13°C (55°F)
12°C (54°F)
13°C (55°F)
Min temperature
7°C (45°F)
6°C (43°F)
6°C (43°F)
Monthly sun hours
125 hours
130 hours
143 hours
Monthly rainfall
167 mm (6.6 in)
129 mm (5.1 in)
136 mm (5.4 in)
Monthly rainy days
13 days
13 days
12 days
Weather conditions

Sobra

In January Sobra generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
13°C (55°F)
12°C (54°F)
13°C (55°F)
Min temperature
7°C (45°F)
6°C (43°F)
6°C (43°F)
Monthly sun hours
125 hours
130 hours
143 hours
Monthly rainfall
156 mm (6.1 in)
119 mm (4.7 in)
124 mm (4.9 in)
Monthly rainy days
13 days
13 days
12 days
Weather conditions

Okuklje

In January Okuklje generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
13°C (55°F)
12°C (54°F)
13°C (55°F)
Min temperature
7°C (45°F)
6°C (43°F)
6°C (43°F)
Monthly sun hours
125 hours
130 hours
143 hours
Monthly rainfall
161 mm (6.3 in)
124 mm (4.9 in)
130 mm (5.1 in)
Monthly rainy days
13 days
13 days
12 days
Weather conditions

Polače

In January Polače generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
14°C (57°F)
12°C (54°F)
13°C (55°F)
Min temperature
8°C (46°F)
7°C (45°F)
7°C (45°F)
Monthly sun hours
125 hours
130 hours
143 hours
Monthly rainfall
160 mm (6.3 in)
121 mm (4.8 in)
118 mm (4.6 in)
Monthly rainy days
13 days
13 days
12 days
Weather conditions

Pomena

In January Pomena generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
14°C (57°F)
12°C (54°F)
13°C (55°F)
Min temperature
8°C (46°F)
7°C (45°F)
7°C (45°F)
Monthly sun hours
125 hours
130 hours
143 hours
Monthly rainfall
162 mm (6.4 in)
122 mm (4.8 in)
118 mm (4.6 in)
Monthly rainy days
13 days
13 days
12 days
Weather conditions

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

In our records: Croatia January extremes

Notable January records observed across cities in Croatia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest January daytime high in Croatia was -9°C (16°F) in Novalja on January 3, 1993.

Popular cities in January

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

City Weather Day temp Night temp Rainfall
Saplunara 12°C (54°F) 6°C (43°F) 129 mm (5.1 in)
Sobra 12°C (54°F) 6°C (43°F) 119 mm (4.7 in)
Okuklje 12°C (54°F) 6°C (43°F) 124 mm (4.9 in)
Polače 12°C (54°F) 7°C (45°F) 121 mm (4.8 in)
Pomena 12°C (54°F) 7°C (45°F) 122 mm (4.8 in)
Kozarica 12°C (54°F) 6°C (43°F) 117 mm (4.6 in)

Mljet Island weather in January: frequently asked questions

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

In January, Mljet Island, Croatia generally has poor weather conditions. Saplunara sees daytime temperatures near 12°C (54°F), with nights cooling to roughly 6°C (43°F).

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

In Saplunara, the average daytime high in January is 12°C (54°F), while nighttime temperatures drop to around 6°C (43°F).

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

Saplunara typically receives notable rainfall in January, about 129 mm (5.1 in) on average across Mljet Island, Croatia.

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

In our opinion, January may not be the ideal time to visit Mljet Island, Croatia due to the typically poor weather in Saplunara.

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

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.

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