Sisak Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sisak.
Climate overview of Sisak
Temperatures in Sisak, Sisak-Moslavina County, Croatia, vary greatly throughout the year. July is the hottest month at 30°C (86°F), while January is the coldest at 6°C (43°F).
With around 956 mm (38 in) of annual rain/snowfall, the city has moderate precipitation levels. September is the wettest month and January the driest. It also has warm summers and cold winters. July is the sunniest month, averaging 9.3 hours of sunshine per day.
Sisak Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sisak - and find the best time to visit.
Monthly Temperature in Sisak
The climate in Sisak is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 30°C (86°F) in July to a chilly 6°C (43°F) in the coolest month, January.
Nights vary from 17°C (63°F) in July to around -1°C (30°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sisak
Generally, Sisak receives mid-range precipitation levels, with 956 mm (38 in) annually. Precipitation levels in Sisak remain relatively steady throughout the year. September has the most rain, with 100 mm (3.9 in) over 12 days. In the driest month January, this drops slightly to 62 mm (2.4 in), making the city's climate fairly predictable. For more details, please visit our Sisak 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 Sisak
For those who appreciate different seasons, Sisak 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
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Sisak by Month
The relative humidity is high throughout the year in Sisak.
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
Best Time to Visit Sisak
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and June
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Sisak
What is the best time to visit Sisak?
May and June typically offer the most optimal weather in Sisak. In contrast, January, February and December tend to have less optimal conditions. Sisak has warm summers and cold winters.
What temperatures can I expect in Sisak?
Daytime highs range from 6°C (43°F) in January to 30°C (86°F) in July. Nighttime lows range from -1°C (30°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Sisak get?
Annual rainfall is around 956 mm (38 in). September is the wettest month with 100 mm (3.9 in), while January is the driest with 62 mm (2.4 in).
How sunny is Sisak?
Sisak 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.
Sisak 3-Day Forecast
Sisak on the map
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