Slunj Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Slunj.

Climate overview of Slunj

Slunj, Karlovac county, Croatia, sees big temperature differences between seasons, with July peaking at 28°C (82°F) and January dropping to 6°C (43°F).

The city receives considerable rain/snowfall, with around 1284 mm (51 in) annually. September is the wettest month. The most sunshine falls in July, with an average of 10.3 hours of daily sunshine.

Slunj Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Slunj — and find the best time to visit.

Monthly Temperature in Slunj

Visitors to Slunj can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°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 Slunj

Slunj is known for its substantial rain/snowfall, with annual precipitation reaching 1284 mm (51 in). Precipitation levels in Slunj remain relatively steady throughout the year. September has the most rain, with 131 mm (5.2 in) over 13 days. In the driest month January, this drops slightly to 88 mm (3.5 in), making the city's climate fairly predictable. For more details, please visit our Slunj Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Slunj

For those who appreciate different seasons, Slunj serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.3 hours of sunshine daily, and embrace the darker days in December, offering only 3.0 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Senj, Croatia (55 KM, 34 Miles).

Daily hours of sunshine

Data from: Senj, Croatia (55 KM, 34 Miles).

Best Time to Visit Slunj

During May, June, July, August and September, Slunj experiences its most favorable weather, with temperatures between 22°C (71°F) and 28°C (83°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 89 mm (3.5 in) and 131 mm (5.2 in).

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

Frequently asked questions about the climate in Slunj

What is the best time to visit Slunj?

July and August typically offer the most optimal weather in Slunj. In contrast, January, February, November and December tend to have less optimal conditions.

What temperatures can I expect in Slunj?

Daytime highs range from 6°C (43°F) in January to 28°C (82°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 Slunj get?

Annual rainfall is around 1284 mm (51 in). September is the wettest month with 131 mm (5.2 in), while January is the driest with 88 mm (3.5 in).

How sunny is Slunj?

Slunj receives around 2,245 hours of sunshine per year. July is the sunniest month with 310 hours, while December is the cloudiest with just 90 hours. Overall, Slunj enjoys abundant sunshine.

Slunj 3-Day Forecast

Slunj 3-Day Forecast

Slunj on the map

Slunj is highlighted — select any city to see its climate.

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