Koštabona
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Koštabona Weather in December

During December, Koštabona experiences low daytime temperatures of 10°C (50°F) and cooler nights around 4°C (39°F). As part of the winter season, expect quite a bit of rainfall. Around 116 mm (4.6 in) is typical.

Rainfall in Koštabona in December

On average, there are about 12 days with rain during this month, averaging 116 mm (4.6 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Koštabona in December

In December, Koštabona sees low temperatures, with highs of 10°C (50°F). Nights drop to around 4°C (39°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. Nights fall to 4°C (39°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 Koštabona in December

The month has fewer sunny days, with around 95 hours of sunshine.

December in Koštabona has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

Koštabona Temperature in December

Min Temperature
4°C (39°F)
Max Temperature
10°C (50°F)
Chance of Rain
41%
Precipitation
116 mm (4.6 in)
Rainy days
12 days
Humidity
67% *
Sunshine
95 hours *
Percentage Sunshine
*
* Data from: Portorož, Slovenia (12 KM, 7 Miles).

Koštabona Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Koštabona - and find the best time to visit.

Best Places in Slovenia in December

Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in December →

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 Koštabona in December

We recommend to layer up for chilly conditions in Koštabona in December. 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. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Koštabona 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

Koštabona 3-Day Forecast

More climate data for Koštabona

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.