Climate and monthly weather forecast
Korčula, Croatia


The climate of Korčula

Korčula, a Croatian island located in the Adriatic Sea, falls under the Köppen climate classification Csa. Much as in other Mediterranean regions, the island experiences hot, dry summers and mild, wet winters. The temperature remains steady throughout the year, with minimum monthly averages oscillating between 2°C in January to 18°C in July and August. Meanwhile, maximum monthly averages rise from 9°C in January to 28°C in July and August.

In line with the typical Mediterranean climate, Korčula witnesses a considerable variation in rainfall from month to month. The rainfall makes an evident shift between dry summer months, with the lowest precipitation observed in July with 37mm, and wet winter months, peaking in December with 136mm. Correspondingly, the number of rainy days ranges from 8 in July and August to as high as 13 in January and December.

Despite the variation in rainfall, the amount of daylight remains relatively stable throughout the year. The shortest daylight is experienced in December with 9.1 hours, and the longest in June with 15.3 hours. The island has a healthy dose of sunshine befitting its prime Mediterranean location, with averages ranging from a minimum of 3 hours in December to a maximum of 11 hours in July. Overall, the weather in Korčula exhibits a distinctive seasonality marked by hot, sunny summers and humid, mild winters characteristic of the Csa zone.

The best time to visit Korčula

Given its enjoyable temperatures, low rainfall and abundant sunshine, the optimal time for visitors to experience Korčula is from June to August. With temperatures between 26°C to 28°C, these summer months present ample opportunity for tourists to indulge in outdoor activities and water sports. Compared to other months, rainfall is at its relative low with averages around 57mm in June and 37mm in July. Moreover, plentiful sunshine of up to 10 to 11 hours per day enhances the experience.

The worst time to visit Korčula

Despite the mildness of Korčula's winters, the months from November to January may not be the best time for a visit. High rainfall characterizes this period, culminating in December with a substantial precipitation amount of 136mm spread over 13 days. Alongside high rainfall, lower temperatures of 9°C to 11°C and reduced hours of daylight, ranging from 9.1 to 9.8 hours, make outdoor activities less appealing.

Spring weather in Korčula

With rising temperatures and decreasing rainfall, spring heralds Korčula's transition from the mild wet winters towards dry, hot summers. During March, April and May, temperatures climb steadily from 13°C to 22°C. Correspondingly, the rainfall reduces from 92mm in March to 63mm in May. With a consistent increase in sunshine hours from 6 in March to 8 in May, spring provides a pleasant weather for visitors.

Summer weather in Korčula

Peak summer months in Korčula from June to August showcase the typical Mediterranean climate. Experience high temperatures from 26°C to 28°C, low rainfall from 57mm in June to 37mm in July and long hours of sunshine, which hit their zenith at 11 hours in July. Particularly, July and August present ideal conditions for swimming with sea temperatures peaking at a comfortable 24.8°C to 25.1°C.

Autumn weather in Korčula

Autumn in Korčula, spanning September to November, marks a gradual decline in temperatures and an increase in precipitation. In these months, temperatures decrease from 25°C to 15°C while rainfall rises from 76mm to 134mm. Despite the increasing rainfall, the sunshine hours remain respectable, decreasing from 8 in September to 4 in November.

Winter weather in Korčula

Winter months in Korčula, stretching from December to February, are characterized by cooler temperatures and high rainfall. Temperatures plunge to lows of 4°C in January and February while rainfall peaks at 136mm in December. Shorter daylight characteristics of winter reduce sunshine hours to a yearly low of 3 hours in December to 4 hours in February. These months also witness the lowest sea temperatures of the year, dropping down to 14.1°C to 15.9°C, making winter less optimal for swimming.

Weather in January

With temperatures edging from 2°C to a high of 9°C, January in Korčula, Croatia is characterized by cold weather. Winter coats and warming clothes snap into prominence as the city embraces the cool weather. An increase in the number of rainy days signals more indoor activities. Weather in January »

Weather in February

In February, a positive shift in temperatures lightly warms up the early year's cold, paving the way for milder weather. Traces of winter weather gradually fade as daylight extends into additional hour, compelling locals and tourists to spare more time for outdoor activities. Weather in February »

Weather in March

Spring subtly announces its arrival in Korčula as March enjoys moderately warm temperatures hitting a high of 13°C. The outgoing winter chill slowly begins to ease, letting the more congenial spring climate take over. An extended period of daylight coupled with a rise in sunshine hours cater to more outdoor activities and exploration opportunities. Weather in March »

Weather in April

April's weather exhibits a rapid shift towards warmer conditions with temperatures soaring up to 17°C. The advent of more prolonged hours of sunshine and daylight entices residents and tourists to revel in the city's numerous outdoor offerings. Weather in April »

Weather in May

In May, temperatures warm up impressively, marking a definitive arrival of summer; average temperatures ascend towards 22°C. Broad daylight of nearly 15 hours coupled with an abundant 8 hours of sunshine opens up possibilities for various activities. Weather in May »

Weather in June

June brings with it the full glory of the Croatian summer, with the city basking under the heat that climaxes at average temperatures of 26°C. The extended daylight of over 15 hours permits plenty of time for outdoor ventures and water activities. Weather in June »

Weather in July

July is the zenith of summer in Korčula, with average temperatures peaking at 28°C. The city hits its warmest period, marked by hot sunny days interspersed with balmy nights. This is an excellent time for beach enthusiasts as the sea temperature reaches a favorable 24.8°C, the highest in the year. Weather in July »

Weather in August

August weather persists with the heat wave, showcasing equal scorching temperatures as experienced in July. The sea continues being warm, luring both locals and tourists in large numbers to the coastline. Long hours of daylight and sunshine provide ample opportunities for sightseeing and exploration. Weather in August »

Weather in September

There's a slight dip in temperatures during September yet the city continues to experience warm days with temperatures topping an average high of 25°C. After months of intense heat, a cooler breeze sets in, giving a welcoming twist to the weather. Weather in September »

Weather in October

With temperatures dropping to a moderate range of 12°C to 20°C, October brings autumn to Korčula, Croatia. Evident in falling leaves and shorter daylight hours, the transition from summer to autumn becomes prominent. Decreased daylight, higher rainfall, and cooler nights usher in the new season. Weather in October »

Weather in November

November showcases a further fall in temperatures, making the days and nights considerably cooler. A drastic shift in weather witnesses short daylight hours and a significant drop in sunshine hours. The high rainfall of 134mm during the month brings about more wet days, adding to the autumnal atmosphere. Weather in November »

Weather in December

December brings the onset of winter, with temperatures varying between 4°C and 11°C. A steep reduction in daylight hours and minimal sunshine cast a winter-like ambience over Korčula, completing its transition through all the seasons. Weather in December »


What are the coldest months in Korčula?

The month of January, characterized by an average high of 9°C and a low of 2°C, is recognized as the coldest.

How many days does it rain in Korčula?

In Korčula, during the entire year, the rain falls for 131 days and collects up to 1036mm of precipitation.

What is the month with the coldest sea water in Korčula?

With an average sea temperature of 14.1°C, January is the month with the coldest seawater.

What is the month with the lowest UV index in Korčula?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Korčula, Croatia.

When is Daylight Saving Time (DST) in Korčula?

On Sunday, 26. March 2023, at 02:00, Daylight Saving Time starts, and the time zone changes from CET to CEST. Daylight Saving Time ends on Sunday, 29. October 2023, at 03:00, and the time zone reverts from CEST to CET.

When are the longest days in Korčula?

With an average of 15h and 18min of daylight, June has the longest days of the year in Korčula.

What is the month with the highest UV index in Korčula?

The months with the highest UV index are June and July, with an average maximum UV index of 8.

What are the warmest months in Korčula?

Korčula witnesses its highest temperatures in July and August, reaching an average of 28°C.

What is the driest month in Korčula?

July is the month with the least rainfall in Korčula. Rain falls for 8 days and accumulates 37mm of precipitation.

What month has the most sunshine in Korčula?

July has the most sunshine of the year, with an average of 11h of sunshine.

What is the month with the warmest sea water in Korčula?

The month with the warmest seawater in Korčula, Croatia, is August, with an average sea temperature of 25.1°C.

What is the rainiest month in Korčula?

December is the month with the most rainfall. Rain falls for 13 days and accumulates 136mm of precipitation.

What is the month with the shortest days in Korčula?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Korčula?

The month with the least sunshine in Korčula, Croatia, is December, with an average of 3h of sunshine.

Average rainfall
Korčula, Croatia

Average rainfall - Korčula, Croatia

The wettest month (with the highest rainfall) is December (136mm).
The driest month (with the least rainfall) is July (37mm).


Average rainfall days
Korčula, Croatia

Average rainfall days - Korčula, Croatia

The months with the highest number of rainy days are January, November and December (13 days).
The months with the least rainy days are July and August (8 days).


Average sea temperature
Korčula, Croatia

Average sea temperature - Korčula, Croatia

The best month for swimming (with the highest average sea temperature) is August (25.1°C).
The coldest month (with the lowest average sea temperature) is January (14.1°C).


Average daylight / Average sunshine
Korčula, Croatia

Average daylight / Average sunshine - Korčula, Croatia

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 3h).


Korčula, Croatia

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