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Umag Weather in January

Thinking of visiting Umag in January? Expect low temperatures reaching 10°C (50°F) during the day, dropping to 6°C (43°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Umag in January

Historically, January sees about 12 days of rain, with a monthly average of 81 mm (3.2 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Umag in January

In January, Umag gets low temperatures, with highs of 10°C (50°F). Nights cool to around 6°C (43°F). This month falls in the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. With moderate temperatures, January stands out as the chilliest month of the year.

Sunshine in Umag in January

With about 102 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Umag. 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 Croatia, check out our Umag's climate page.

Umag Temperature in January

Min TemperatureMin Temperature 6°C (43°F)  
Max TemperatureMax Temperature 10°C (50°F)  
Chance of RainChance of Rain 39%  
PrecipitationPrecipitation 81 mm (3.2 in)  
Rainy daysRainy days 12 days  
HumidityHumidity 67% *  
SunshineSunshine 102 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Portorož, Slovenia (10 KM, 6 Miles).

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Umag typically stay consistent throughout January, with daily highs averaging around 10°C (50°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 Umag in January

Browse day-by-day weather records for Umag spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Umag historical weather extremes in January

Based on 25 years of weather observations in Umag between 2000 and 2025, these are the recorded extremes.

  • On January 19, 2014, temperatures climbed to 18°C (64°F), marking the warmest January day on record.
  • Umag experienced its chilliest January day on January 24, 2006, reaching only 1°C (34°F).
  • Umag registered its coldest January night on January 26, 2000, with temperatures dropping to -10°C (14°F).
  • The heaviest January precipitation occurred on January 8, 2001, when 54 mm (2.1 in) of precipitation fell.

Best Places in Croatia in January

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

We recommend to layer up for chilly conditions in Umag in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Umag in January

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

Swimming
5/10
Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
6/10

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 Croatia, check out our Umag's climate page.

More climate data for Umag