Rijeka Weather in December

During December, Rijeka experiences low daytime temperatures of 7°C (45°F) and cooler nights around 1°C (34°F). December sits within the rainy season, and part of the winter season, so expect regular and often heavy rainfall.

Rainfall in Rijeka in December

As part of the rainy season, Rijeka sees around 14 days of rain in December, with an average of 170 mm (6.7 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Rijeka in December

If you're visiting Rijeka in December, expect highs of 7°C (45°F) and overnight lows around 1°C (34°F). This month falls in the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Rijeka in December

The month experiences a moderate amount of sunlight, with 100 hours of sunshine. This provides a nice balance between sunshine and rain.

Average water temperature in December

With water at 14°C (57°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Rijeka.

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For a detailed overview over the year and the best time to visit Croatia, check out our Rijeka's climate page.

Rijeka Temperature in December

Min Temperature 1°C (34°F)  

Max Temperature 7°C (45°F)  

Water Temperature 14°C (57°F)  

Chance of Rain 47%  

Precipitation 170 mm (6.7 in)  

Rainy days 14 days  

Humidity 66%  

Sunshine 100 hours  

Percentage Sunshine 39%  

What to Wear in Rijeka in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Rijeka in December

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

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Croatia, check out our Rijeka's climate page.

More climate data for Rijeka

Temperature Rainfall Sunshine Humidity Water Temp

See the full Rijeka climate overview or explore weather in Croatia.