Rijeka weather in January 2027

Q: How warm is it in Rijeka in January?

Daytime temperatures usually reach 8°C in Rijeka in January, falling to 1°C at night.

Q: How sunny is it in Rijeka in January?

There are normally 4 hours of bright sunshine each day in Rijeka in January - that's 39% of daylight hours.

Q: How warm is the sea around Rijeka in January?

The average sea temperature around Rijeka in January is 14°C.

Q: Does it rain in Rijeka in January?

There are usually 13 days with some rain in Rijeka in January and the average monthly rainfall is 95mm.

Expect daytime maximum temperatures of 39°F in Rijeka, Croatia in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 14 days with some rainfall and typically 4.5 inches of rainfall in the month, which might fall as snow.

39
39°F max day temperature
4
4 hours of sunshine per day
14
14 days with some rainfall
25
25°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
4.5
4.5 inches of monthly rainfall
1
1 (Low) UV index
52
52°F sea temperature

More about Rijeka

Rijeka by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Croatia

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

The January weather guide for Croatia (Rijeka) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)