Slunj Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore Slunj’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in Croatia.
Monthly Temperature Averages
Visitors to Slunj will encounter a climate influenced by big temperature differences across the year. Average maximum daytime temperatures reach a warm 28°C in July. In January, the coolest month of the year, temperatures drop to a cold 6°C. At night, expect even cooler temperatures, with lows averaging around -2°C.
The chart below illustrates the average maximum day and minimum night temperatures in Slunj by month:
Typically, the coolest time of day is between 4 AM and 6 AM, while the hottest time occurs around 3 PM, when the sun’s heating effect is strongest. July, the city’s warmest month, experiences 310 hours of sunshine.
The chart below shows the average temperature throughout the year:
January, the city’s coldest month, sees about 88 mm of rainfall spread over roughly 14 days. It records 100 hours of sunshine of sunshine.
Annual Temperatures in Croatia Compared
The map below shows the annual temperature across Croatia. You can also select the different months in case you are interested in a specific month.






Slunj Temperatures Compared World Wide
Slunj’s average annual maximum temperature is 17°C. Let’s compare this with some popular tourist destinations:
The city of Rome, Italy, has an average annual temperature of 20°C, known for its sunny summers and comfortable winters.
Glasgow, Scotland, the average annual temperature is significantly lower at 13°C, with mild summers and cold winters.
Osaka, Japan, offers a similar climate to Tokyo, with an average annual temperature of 22°C.
Perth, Australia, experiences a Mediterranean climate, with a pleasant average temperature of 25°C.
How are these Temperatures Measured?
Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.
This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.
Temperatures in the Mountains
Although not all regions have mountains, elevated areas exhibit distinct temperature variations.
- Sun Exposure: Sunlit slopes tend to be warmer, while shaded areas remain cooler.
- Altitude Effects: Temperatures drop by approximately 6°C for every 1,000 meters of elevation, creating distinct microclimates.
For more detailed information about Slunj’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Slunj climate page.