Sun, sea & sand

Rijeka weather in January

Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.

12

Holiday weather in January

Poor

Best time to visit: June – August

What is the weather like in Rijeka in January?

In January, Rijeka is cold: daytime highs average 8 °C, and nights cool down to about 3 °C. The sea averages 10.8 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 151 mm in total. Snow falls on about 2 days. All in all, January is not an ideal month for a holiday in Rijeka.

January compared

How the weather changes from December to February. Tap a month to open it.

DecemberDecJanuaryJanFebruaryFeb
Score101218
Day9°8°9°
Night4°3°3°
Sea13°11°10°
Sun4 h4 h5 h
Rain days121211

More details for January

Daylight
9 h 5 min07:38 – 16:44
UV index
1 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
63 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
2 days1 cm or more of fresh snowAll months
Time zone
UTC+1Europe/Zagreb

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %17 %
  • Few rainy daysweight 20 %44 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in January

  • Warm jacket
  • Rain jacket or umbrella

Rijeka in January: quick answers

Is Rijeka hot in January?

No. In January, Rijeka is cold: daytime highs average 8 °C and nights drop to about 3 °C.

Can you swim in Rijeka in January?

Only if you don't mind cold water: in January the sea averages just 10.8 °C. Comfortable swimming is possible from June to September.

Does it rain much in Rijeka in January?

Rain is frequent, with about 12 rainy days and 151 mm in total.

Rijeka month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences