Mljet Island Weather in August

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

Planning a trip to Mljet Island, Croatia this August? Here's what you need to know about the weather:

What to Expect in Mljet Island in August

Mljet Island, Croatia is a region in Croatia. August in Mljet Island generally has very warm temperatures, with moderate precipitation. August is a summer month.

Temperatures

You can expect very warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 22°C (72°F) in Saplunara. In Mljet Island, Croatia, August typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

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

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Pomena with an average of 40 mm (1.6 in) to moderate rainfall in Saplunara with 47 mm (1.9 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in August. Saplunara typically receives 326 hours of sunlight, making it ideal for those seeking sunny weather.

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 August

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

Temperature range in Mljet Island (August)

Precipitation variation in Mljet Island (August)

Saplunara

In August Saplunara generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

July
August
September
Max temperature
30°C (86°F)
30°C (86°F)
26°C (79°F)
Min temperature
22°C (72°F)
22°C (72°F)
19°C (66°F)
Monthly sun hours
346 hours
326 hours
310 hours
Monthly rainfall
29 mm (1.1 in)
47 mm (1.9 in)
121 mm (4.8 in)
Monthly rainy days
7 days
7 days
9 days
Weather conditions

Sobra

In August Sobra generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

July
August
September
Max temperature
30°C (86°F)
30°C (86°F)
26°C (79°F)
Min temperature
22°C (72°F)
22°C (72°F)
19°C (66°F)
Monthly sun hours
346 hours
326 hours
310 hours
Monthly rainfall
26 mm (1 in)
45 mm (1.8 in)
112 mm (4.4 in)
Monthly rainy days
7 days
8 days
9 days
Weather conditions

Okuklje

In August Okuklje generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

July
August
September
Max temperature
30°C (86°F)
30°C (86°F)
26°C (79°F)
Min temperature
22°C (72°F)
22°C (72°F)
18°C (64°F)
Monthly sun hours
346 hours
326 hours
310 hours
Monthly rainfall
28 mm (1.1 in)
46 mm (1.8 in)
117 mm (4.6 in)
Monthly rainy days
7 days
8 days
9 days
Weather conditions

Polače

In August Polače generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
25°C (77°F)
Min temperature
23°C (73°F)
23°C (73°F)
19°C (66°F)
Monthly sun hours
346 hours
326 hours
310 hours
Monthly rainfall
21 mm (0.8 in)
40 mm (1.6 in)
107 mm (4.2 in)
Monthly rainy days
7 days
8 days
9 days
Weather conditions

Pomena

In August Pomena generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
28°C (82°F)
29°C (84°F)
25°C (77°F)
Min temperature
23°C (73°F)
23°C (73°F)
19°C (66°F)
Monthly sun hours
346 hours
326 hours
310 hours
Monthly rainfall
20 mm (0.8 in)
40 mm (1.6 in)
107 mm (4.2 in)
Monthly rainy days
8 days
8 days
9 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 August extremes

Notable August 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 warmest August day in Croatia reached 43°C (109°F) in Orebić on August 2, 1998.

Popular cities in August

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

City Weather Day temp Night temp Rainfall
Saplunara 30°C (86°F) 22°C (72°F) 47 mm (1.9 in)
Sobra 30°C (86°F) 22°C (72°F) 45 mm (1.8 in)
Okuklje 30°C (86°F) 22°C (72°F) 46 mm (1.8 in)
Polače 29°C (84°F) 23°C (73°F) 40 mm (1.6 in)
Pomena 29°C (84°F) 23°C (73°F) 40 mm (1.6 in)
Kozarica 30°C (86°F) 23°C (73°F) 42 mm (1.7 in)

Mljet Island weather in August: frequently asked questions

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

Mljet Island, Croatia typically experiences tolerable weather in August, part of the summer season. Daytime highs in Saplunara average around 30°C (86°F), and temperatures drop to about 22°C (72°F) at night.

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

In Saplunara, the average daytime high in August is 30°C (86°F), while nighttime temperatures drop to around 22°C (72°F).

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

Rain is generally moderate to light in Mljet Island, Croatia during August, with Saplunara averaging close to 47 mm (1.9 in).

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

In our opinion, August is a good time to visit Mljet Island, Croatia with overall pleasant weather in Saplunara. However, the weather conditions may vary depending on your destination.

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.

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