Dekani Weather in December

December in Dekani averages 9°C (48°F) during the day and 3°C (37°F) at night. Quite a bit of rainfall is typical this month, with around 120 mm (4.7 in) on average. An umbrella is a good idea.

Rainfall in Dekani in December

You can expect rain on around 12 days based on historical patterns, with 120 mm (4.7 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Dekani in December

In December, Dekani sees low temperatures, with highs of 9°C (48°F). Nights drop to around 3°C (37°F). December is part of winter. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Dekani in December

The month has fewer sunny days, with around 84 hours of sunshine.

Average water temperature in December

At 11°C (52°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

December in Dekani can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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

Dekani Temperature in December

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Water Temperature 11°C (52°F) *  

Chance of Rain 41%  

Precipitation 120 mm (4.7 in)  

Rainy days 12 days  

Humidity 67% *  

Sunshine 84 hours *  

Percentage Sunshine 31% *  

* Data from: Triest, Italy (12 KM, 7 Miles).

What to Wear in Dekani 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. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 11°C (52°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Dekani in December

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

Swimming

4/10

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 Slovenia, check out our Dekani's climate page.

More climate data for Dekani

Temperature Rainfall Sunshine Humidity Water Temp

See the full Dekani climate overview or explore weather in Slovenia.