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Karlovac Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Karlovac.
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Climate overview of Karlovac
Karlovac, in Karlovac County, Croatia, sees noticeable temperature changes across the seasons, with warm summers and cold winters. The city receives high levels of rainfall, and snowfall is common during the colder months. In summer, people often spend time along the rivers and in the town’s green spaces. In winter, the weather shifts daily life indoors, and snow gives the Austro-Hungarian architecture a cozy feel. Now, let’s explore all the climate details to give you a complete picture.
Karlovac Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Karlovac - and find the best time to visit.
Monthly Temperature in Karlovac
Depending on the time of the year, temperatures range from comfortable to chilly in Karlovac. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in July to a chilly 6°C (43°F) in the coolest month, January.
Nights vary from 16°C (61°F) in July to around -2°C (28°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Karlovac
Karlovac has a relatively rain/snowy climate with high precipitation levels, averaging 1058 mm (42 in) of rain/snowfall annually. Precipitation levels in Karlovac remain relatively steady throughout the year. September has the most rain, with 109 mm (4.3 in) over 12 days. In the driest month January, this drops slightly to 68 mm (2.7 in), making the city's climate fairly predictable. For more details, please visit our Karlovac Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Karlovac
For those who appreciate different seasons, Karlovac serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.3 hours of sunshine daily, and embrace the darker days in December, offering only 1.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Zagreb, Croatia (47 KM, 29 Miles).
Daily hours of sunshine
Data from: Zagreb, Croatia (47 KM, 29 Miles).
Daily percentage of sunshine
Data from: Zagreb, Croatia (47 KM, 29 Miles).
Humidity in Karlovac by Month
The relative humidity is high throughout the year in Karlovac.
The city experiences its highest humidity in December, reaching 84%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Zagreb, Croatia (47 KM, 29 Miles).
Best Time to Visit Karlovac
Conditions in Karlovac are generally most comfortable in June, July and August. They are typically least comfortable in January, February, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
good
Apr
very good
May
very good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
very good
Oct
very good
Nov
wet
Dec
cold
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -2°C (28°F).
Frequently asked questions about the climate in Karlovac
What is the best time to visit Karlovac?
June, July and August typically offer the most optimal weather in Karlovac. In contrast, January, February, November and December tend to have less optimal conditions. Karlovac has warm summers and cold winters.
What temperatures can I expect in Karlovac?
Daytime highs range from 6°C (43°F) in January to 29°C (84°F) in July. Nighttime lows range from -2°C (28°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Karlovac get?
Annual rainfall is around 1058 mm (42 in). September is the wettest month with 109 mm (4.3 in), while January is the driest with 68 mm (2.7 in).
How sunny is Karlovac?
Karlovac receives around 1,908 hours of sunshine per year. July is the sunniest month with 280 hours, while December is the cloudiest with just 51 hours.
Karlovac 3-Day Forecast
Karlovac on the map
Karlovac is highlighted - select any city to see its climate.
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