Ilirska Bistrica Temperature by Month
Ilirska Bistrica, Notranjska, Slovenia has an average annual maximum temperature of 16°C (61°F), ranging from 5°C (41°F) in January to 26°C (79°F) in July. Below you'll find a full monthly breakdown and a comparison with cities worldwide.
Ilirska Bistrica Monthly Temperatures
The climate in Ilirska Bistrica is dynamic, ranging widely from chilly in winter to comfortable in summer. Nights are significantly colder, with lows dropping from 16°C (61°F) in July to -2°C (28°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Ilirska Bistrica by month:
The coldest point of the day usually falls between 4 AM and 6 AM, with temperatures peaking around 3 PM. July, the city's warmest month, gets 298 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Ilirska Bistrica vs Slovenia
The map below shows the annual temperature across Slovenia. You can also select individual months if you want to compare a specific time of year.
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Ilirska Bistrica vs World: Temperature Compared
Ilirska Bistrica's average annual maximum temperature is 16°C (61°F). To put that in context, here's how it compares to a few well-known destinations:
Barcelona, Spain has an annual average of around 21°C (70°F), with warm summers and mild, fairly short winters.
Toronto, Canada averages 13°C (55°F) annually, with cold snowy winters balanced by genuinely warm summers.
Osaka, Japan averages 22°C (72°F) annually, with hot humid summers, mild winters, and pleasant spring and autumn seasons.
Brisbane, Australia averages 26°C (79°F) a year, with warm winters and hot, humid summers.
What Does the Temperature Feel Like in Ilirska Bistrica?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In Ilirska Bistrica, January is the coolest month, with average highs of 5°C (41°F) and humidity around 66% — considered high. In July, the warmest month, temperatures average 26°C (79°F) with 56% humidity — conditions that feel moderate. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
For cities and regions with significant elevation, altitude is one of the biggest factors shaping local temperatures. As a rule of thumb, temperatures fall by around 6°C for every 1,000 metres gained — so a city at 2,000 metres will typically be around 12°C cooler than a city at sea level in the same region. Higher ground also tends to see more dramatic day-to-night temperature swings, since thinner air loses heat faster after sunset.
For more on Ilirska Bistrica's weather — including monthly rainfall, sunshine hours, and humidity — visit our Ilirska Bistrica climate page.
