Mljet Island Weather by Month — Temperature & Rainfall Guide

Mljet Island is a region in Croatia. Many people wonder what the weather conditions are in Mljet Island over the year. What is the best time to visit Mljet Island?

This page shows the average weather conditions by month in Mljet Island over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in Mljet Island is generally poor. January is a winter month. In Saplunara you can expect mild maximum average daytime temperatures around 12°C (54°F) and nighttime temperatures around 6°C (43°F). On average, this month is the coldest month of the year in Mljet Island.

Find more detailed climate information for Mljet Island in January here.

In February the weather in Mljet Island is generally poor. February is a winter month. In Saplunara you can expect mild maximum average daytime temperatures around 13°C (55°F) and nighttime temperatures around 6°C (43°F).

Find more detailed climate information for Mljet Island in February here.

In March the weather in Mljet Island ranges from unpleasant in Saplunara to tolerable in Ropa. In Saplunara you can expect mild maximum average daytime temperatures around 15°C (59°F) and nighttime temperatures around 9°C (48°F).

Find more detailed climate information for Mljet Island in March here.

In April the weather in Mljet Island ranges from tolerable in Saplunara to pleasant in Polače. In Saplunara you can expect pleasant maximum average daytime temperatures around 18°C (64°F) and nighttime temperatures around 11°C (52°F).

Find more detailed climate information for Mljet Island in April here.

In May the weather in Mljet Island is generally perfect. In Saplunara you can expect warm maximum average daytime temperatures around 23°C (73°F) and nighttime temperatures around 16°C (61°F).

Find more detailed climate information for Mljet Island in May here.

In June the weather in Mljet Island is generally perfect. June is a summer month. In Saplunara you can expect warm maximum average daytime temperatures around 27°C (81°F) and nighttime temperatures around 19°C (66°F).

Find more detailed climate information for Mljet Island in June here.

In July the weather in Mljet Island is generally perfect. July is a summer month. In Saplunara you can expect warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 22°C (72°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Mljet Island in July here.

In August the weather in Mljet Island ranges from pleasant in Saplunara to perfect in Polače. August is a summer month. In Saplunara you can expect very warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 22°C (72°F). On average, this month is one of the warmest months of the year in Mljet Island. So be prepared and make sure to dress lightly.

Find more detailed climate information for Mljet Island in August here.

In September the weather in Mljet Island is generally pleasant. In Saplunara you can expect warm maximum average daytime temperatures around 26°C (79°F) and nighttime temperatures around 19°C (66°F).

Find more detailed climate information for Mljet Island in September here.

In October the weather in Mljet Island is generally pleasant. In Saplunara you can expect pleasant maximum average daytime temperatures around 21°C (70°F) and nighttime temperatures around 15°C (59°F).

Find more detailed climate information for Mljet Island in October here.

In November the weather in Mljet Island ranges from poor in Saplunara to unpleasant in Ropa. In Saplunara you can expect mild maximum average daytime temperatures around 17°C (63°F) and nighttime temperatures around 11°C (52°F).

Find more detailed climate information for Mljet Island in November here.

In December the weather in Mljet Island ranges from poor in Saplunara to unpleasant in Polače. December is a winter month. In Saplunara you can expect mild maximum average daytime temperatures around 13°C (55°F) and nighttime temperatures around 7°C (45°F).

Find more detailed climate information for Mljet Island in December here.