The climate in Croatia

Average daytime and nighttime temperatures

All climate diagrams on this page result from the collected data of 6 weather stations.
All data correspond to the average monthly values of the last 20 years.

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Climate zone: Moderate zone of the northern hemisphere

The climate in Croatia is quite varied, but generally does not offer extreme climatic conditions. It is cold, wet and some nice summer months are also present. A beach holiday can be enjoyed in the warmer season with water temperatures up to 24 degrees. The warmest and rainiest part of the country is Šibensko-Kniniska. The coldest is Varaždinska. Due to the warmer temperatures the best time for traveling is from June to September. Less attractive are the cold months from November to March.
Duration of daylight and sunshine in Croatia
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in Croatia
Rainy days per monthRainy days per month in Croatia
Precipitation in mm/dayPrecipitation in Croatia
Water temperatureWater temperatures in Croatia
Relative humidity in %Relative humidity in Croatia
Absolute humidity in g/m³Absolute humidity in Croatia

Regions in Croatia

All figures per year. For detailed climate data click on the name of the region.

max Ø day
min Ø night
Grad Zagreb17.3 °C9.3 °C2,008 h96 883 l71.0 %
Karlovacka17.3 °C9.3 °C2,008 h96 883 l71.0 %
Krapinsko-Zagorska17.3 °C9.3 °C2,008 h96 883 l71.0 %
Šibensko-Kniniska20.3 °C13.9 °C2,665 h80 832 l60.0 %
Sisacko-Moslavacka18.0 °C8.2 °C1,971 h101 949 l73.0 %
Splitsko-Dalmatinska20.3 °C13.9 °C2,665 h80 832 l60.0 %
Varaždinska17.0 °C7.4 °C1,971 h91 785 l71.0 %
Zagrebacka17.3 °C9.3 °C2,008 h96 883 l71.0 %

Temperature records of the last 73 years

The hottest temperature measured from 1949 to March 2022 was reported by the Split Marjan weather station. In August 2015 the record temperature of 38.5 °C was reported here. The hottest summer from July to September, based on all 3 weather stations in Croatia , was recorded in 2012 with an average temperature of 26.9 °C. This average temperature will normally be measured every 4 to 6 hours, thus also including the nights. Normally, this value is 22.7 degrees Celsius. The average maximum daily temperature at that time was 31.0 °C.

The coldest day in these 73 years was reported by the weather station Split Marjan. Here the temperature dropped to -7.2 °C in January 2017. Split Marjan lies at an altitude of 128 meters above sea level. The coldest winter (January to March) was in 1963 with an average temperature of 2.6 °C. In Croatia, it is usual to have about 4.3 degrees more at 6.9 °C for this three-month period.

The most precipitation fell in November 1962. With 10.0 mm per day, the Split Marjan weather station recorded the highest monthly average of the last 73 years.

Long-term development of temperatures from 1991 - 2021

In contrast to single record values, a long-term development cannot simply be brought about by all weather stations in the country. Both the number and the locations are constantly changing. A simply calculated average value would give a falsified result. If several measuring stations in particularly cold mountain or coastal regions are added in one year, the average would already decrease as a result of this alone. If a station fails during the summer or winter months, it does not provide any values and falsifies the average again. The subsequent long-term development was therefore reduced to only 2 measuring points in order to have actually comparable data over as long a period as possible.

In the years 1991 to 2021 there were only these 2 weather stations in the whole country, which reported continuous temperature values (Split Marjan, Zagreb). From these weather reports we have created a long-term development that shows the monthly average temperatures. The hottest month in this entire period was August 2003 with 27.5 °C. January 2017 was the coldest month with an average temperature of 1.0 °C.

The average annual temperature was about 14.4 °C in the years after 1991 and about 15.5 °C in the last years before 2021. So in less than 31 years it has increased by about 1.1 °C. This trend only applies to the selected 2 weather stations in Croatia. A considerably more comprehensive evaluation of the global warming has been provided separately.

Long-term development of temperatures in Croatia

Data basis and methodology

The data of the individual measuring stations are based on the archives of the German Weather Service, individual values averaged and supplemented by own elements. In order to determine a representative national average, average values were first calculated for each part of the country, which were then summarized at the national level. Thus, if a disproportionate number of weather stations are located in a small area, their number does not affect the national average. There are 4 stations in Croatia itself. In 2 cases, neighboring but nearby weather stations were also used to obtain more accurate values.
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