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Izola Weather in January

January in Izola brings low temperatures, with highs of 9°C (48°F) and nights dropping to 4°C (39°F). Rainfall is on the higher side this month, averaging around 85 mm (3.3 in), so keep a rain jacket handy.

Rainfall in Izola in January

Climate statistics over the past 30 years suggest around 12 days of rain, with 85 mm (3.3 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Izola in January

January in Izola brings typical temperatures with highs around 9°C (48°F) and lows of 4°C (39°F). January is a notable month of the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. This month tends to bring the coldest weather of the year, so be sure to pack enough warm clothing to stay comfortable.

Sunshine in Izola in January

The area experiences a moderate amount of sunshine, with approximately 102 hours of sunlight expected. This means a decent mix of sun and overcast.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Izola. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

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 January

Min TemperatureMin Temperature 4°C (39°F)  
Max TemperatureMax Temperature 9°C (48°F)  
Chance of RainChance of Rain 41%  
PrecipitationPrecipitation 85 mm (3.3 in)  
Rainy daysRainy days 12 days  
HumidityHumidity 67% *  
SunshineSunshine 102 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Portorož, Slovenia (6 KM, 3 Miles).

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Izola typically stay consistent throughout January, with daily highs averaging around 9°C (48°F). Nights are cold, with lows around 1°C (34°F).

Average temperatures in January

Daily Historical Precipitation

51-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

Historical weather for Izola in January

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 January

Our historical data for Izola spans 2000 to 2025, revealing these weather extremes.

  • The warmest day in January was on January 19, 2014, with a maximum of 18°C (64°F).
  • On January 24, 2006, Izola saw its coldest January day with temperatures maxing out at 1°C (34°F).
  • Izola registered its coldest January night on January 26, 2000, with temperatures dropping to -10°C (14°F).
  • The heaviest January precipitation occurred on January 10, 2003, when 50 mm (2 in) of precipitation fell.

Best Places in Slovenia in January

Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in January →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Izola in January

Dress warmly and in layers for your trip to Izola in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Izola in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
4/10
Walking
4/10
Camping
4/10
Outdoor sports
4/10

Select a Month

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.

More climate data for Izola