Climate and monthly weather forecastKorčula, Croatia
Climate and monthly weather forecast
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 (35.6°F) in January to 18°C (64.4°F) in July and August. Meanwhile, maximum monthly averages rise from 9°C (48.2°F) in January to 28°C (82.4°F) 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 (1.46"), and wet winter months, peaking in December with 136mm (5.35"). 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 (78.8°F) to 28°C (82.4°F), 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 (2.24") in June and 37mm (1.46") 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 (5.35") spread over 13 days. Alongside high rainfall, lower temperatures of 9°C (48.2°F) to 11°C (51.8°F) 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 (55.4°F) to 22°C (71.6°F). Correspondingly, the rainfall reduces from 92mm (3.62") in March to 63mm (2.48") 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 (78.8°F) to 28°C (82.4°F), low rainfall from 57mm (2.24") in June to 37mm (1.46") 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 (76.6°F) to 25.1°C (77.2°F).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 (77°F) to 15°C (59°F) while rainfall rises from 76mm (2.99") to 134mm (5.28"). 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 (39.2°F) in January and February while rainfall peaks at 136mm (5.35") 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 (57.4°F) to 15.9°C (60.6°F), making winter less optimal for swimming.Weather in January
With temperatures edging from 2°C (35.6°F) to a high of 9°C (48.2°F), January in Korčula, Croatia is characterized by cold weather. Winter coats and warming clothes snap into prominence as the city embraces the cool weather. 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 (55.4°F). The outgoing winter chill slowly begins to ease, letting the more congenial spring climate take over. Weather in March »Weather in April
April's weather exhibits a rapid shift towards warmer conditions with temperatures soaring up to 17°C (62.6°F). 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 (71.6°F). 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 (78.8°F). 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 (82.4°F). 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 (76.6°F), 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 (77°F). 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 (53.6°F) to 20°C (68°F), October brings autumn to Korčula, Croatia. Evident in falling leaves and shorter daylight hours, the transition from summer to autumn becomes prominent. 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 (5.28") 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 (39.2°F) and 11°C (51.8°F). 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 »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Korčula, Croatia
The warmest months (with the highest average high temperature) are July and August (28°C).
The month with the lowest average high temperature is January (9°C).
The months with the highest average low temperature are July and August (18°C).
The coldest month (with the lowest average low temperature) is January (2°C).
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 in January:
13 days - Average rainfall days in February:
12 days - Average rainfall days in March:
12 days - Average rainfall days in April:
12 days - Average rainfall days in May:
10 days - Average rainfall days in June:
10 days
- Average rainfall days in July:
8 days - Average rainfall days in August:
8 days - Average rainfall days in September:
9 days - Average rainfall days in October:
11 days - Average rainfall days in November:
13 days - Average rainfall days in December:
13 days
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
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 in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
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).
Average UV index
Korčula, Croatia
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).





