Ilirska Bistrica Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ilirska Bistrica.
Climate overview of Ilirska Bistrica
The climate in Ilirska Bistrica, Notranjska, Slovenia, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in July to 5°C (41°F) in January.
The city has a wet climate, receiving around 1839 mm (72 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from September to November, with warm summers and cold winters. November is the wettest month. Sunshine peaks in July, when the city sees around 9.9 hours of sunshine per day.
Ilirska Bistrica Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ilirska Bistrica - and find the best time to visit.
Monthly Temperature in Ilirska Bistrica
In Ilirska Bistrica, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C (79°F) in July to a chilly 5°C (41°F) in January.
Nighttime temperatures range from 16°C (61°F) in July to -2°C (28°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ilirska Bistrica
Ilirska Bistrica experiences significant rain/snowfall throughout the year, averaging 1839 mm (72 in) of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, November, sees around 215 mm (8.5 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 107 mm (4.2 in) of snow/rainfall. For more details, please visit our Ilirska Bistrica 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 Ilirska Bistrica
In Ilirska Bistrica, summer days are longer and more sunny, with daily sunshine hours peaking at 9.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Ilirska Bistrica by Month
The relative humidity is high throughout the year in Ilirska Bistrica.
The city experiences its highest humidity in November, reaching 67%. In July, the humidity drops to its lowest level at 56%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Ilirska Bistrica
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: A distinct rainy season from September to November, with warm summers and cold winters
- Coldest conditions: January, with freezing nights around -2°C (28°F).
Frequently asked questions about the climate in Ilirska Bistrica
What is the best time to visit Ilirska Bistrica?
May, June, July and August typically offer the most optimal weather in Ilirska Bistrica. In contrast, January, February, March, October, November and December tend to have less optimal conditions. Ilirska Bistrica has a distinct rainy season from September to November, with warm summers and cold winters.
What temperatures can I expect in Ilirska Bistrica?
Daytime highs range from 5°C (41°F) in January to 26°C (79°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 Ilirska Bistrica get?
Annual rainfall is around 1839 mm (72 in). November is the wettest month with 215 mm (8.5 in), while January is the driest with 107 mm (4.2 in).
How sunny is Ilirska Bistrica?
Ilirska Bistrica receives around 2,222 hours of sunshine per year. July is the sunniest month with 298 hours, while December is the cloudiest with just 100 hours. Overall, Ilirska Bistrica enjoys abundant sunshine.
Ilirska Bistrica 3-Day Forecast
Ilirska Bistrica 3-Day Forecast
Ilirska Bistrica on the map
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