Izola Weather in December
Izola in December sees low daytime temperatures of 10°C (50°F) and nighttime lows of 5°C (41°F). Rainfall is fairly high this month at around 120 mm (4.7 in), so pack a rain jacket to stay dry.
Rainfall in Izola in December
This month experiences about 12 days of rain according to historical data, averaging 120 mm (4.7 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Izola in December
In December, Izola sees low temperatures, with highs of 10°C (50°F). Nights drop to around 5°C (41°F). December is typically considered a winter month. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Izola in December
This month sees fewer sunny days, with about 95 hours of sunshine, perfect for those who enjoy cooler temperatures.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Izola. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Izola's climate page.
Izola Temperature in December
Min Temperature
5°C (41°F)
Max Temperature
10°C (50°F)
Chance of Rain
40%
Precipitation
120 mm (4.7 in)
Rainy days
12 days
Humidity
67% *
Sunshine
95 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Izola typically stay consistent throughout December, with daily highs averaging around 10°C (50°F). Nights are cold, with lows typically ranging from 1°C (34°F) to 4°C (39°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Izola in December
Browse day-by-day weather records for Izola spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Izola historical weather extremes in December
According to our 49 years of weather records for Izola, the following extremes were recorded between 1976 and 2025.
- The hottest December day on record in Izola reached 20°C (68°F) (December 19, 1989).
- The coldest December day was on December 27, 1996, with a maximum of -4°C (25°F).
- The lowest overnight temperature recorded in December was -10°C (14°F) (December 29, 1996).
Best Places in Slovenia in December
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Izola in December
Pack for changing conditions in Izola in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Izola in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Izola's climate page.
Temperature Rainfall Sunshine Humidity
See the full Izola climate overview or explore weather in Slovenia.
