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Koper-Capodistria (Koper)
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Weather in Koper-Capodistria for December 2026

Your guide to Koper-Capodistria weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Koper-Capodistria at the beginning of December is 9.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 10 °C by the end of December.

    • Rain 🌧️

  • Koper-Capodistria experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 42.4 mm.

Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
9°/2°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Koper-Capodistria Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
10°
2
Partly cloudy
12°
3
Overcast
9°
4
Cloudy
9°
5
Sunny
9°
6
Patchy rain possible
9°
7
Cloudy
10°
8
Patchy light rain
10°
9
Overcast
10°
10
Light drizzle
10°
11
Patchy rain possible
10°
12
Patchy rain possible
10°
13
Light rain shower
11°
14
Light drizzle
9°
15
Sunny
10°
16
Sunny
10°
17
Overcast
10°
18
Sunny
11°
19
Sunny
11°
20
Overcast
11°
21
Sunny
10°
22
Partly cloudy
9°
23
Patchy rain possible
9°
24
Sunny
8°
25
Cloudy
9°
26
Sunny
9°
27
Sunny
11°
28
Sunny
11°
29
Sunny
11°
30
Patchy rain possible
10°
31
Sunny
9°

Temperatures trend during December in Koper-Capodistria

See the weather trend as well as the moving average line

December weather in Koper-Capodistria day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Sunny
Sunny
 10° /3° 0.1 mm 3
2 Dec. Partly cloudy
Partly cloudy
 12° /3° 0.3 mm 4
3 Dec. Overcast
Overcast
 9° /5° 0.9 mm 2
4 Dec. Cloudy
Cloudy
 9° /4° 0.2 mm 3
5 Dec. Sunny
Sunny
 9° /3° 5.1 mm 3
6 Dec. Patchy rain possible
Patchy rain possible
 9° /1° 0 mm 3
7 Dec. Cloudy
Cloudy
 10° /3° 0 mm 3
8 Dec. Patchy light rain
Patchy light rain
 10° /4° 1.2 mm 3
9 Dec. Overcast
Overcast
 10° /3° 0.1 mm 3
10 Dec. Light drizzle
Light drizzle
 10° /2° 0.7 mm 2
11 Dec. Patchy rain possible
Patchy rain possible
 10° /2° 0 mm 3
12 Dec. Patchy rain possible
Patchy rain possible
 10° /2° 0.1 mm 3
13 Dec. Light rain shower
Light rain shower
 11° /3° 7.1 mm 3
14 Dec. Light drizzle
Light drizzle
 9° /3° 0.8 mm 3
15 Dec. Sunny
Sunny
 10° /1° 0 mm 4
16 Dec. Sunny
Sunny
 10° /1° 0 mm 3
17 Dec. Overcast
Overcast
 10° /2° 2.9 mm 3
18 Dec. Sunny
Sunny
 11° /4° 0 mm 3
19 Dec. Sunny
Sunny
 11° /4° 3.1 mm 3
20 Dec. Overcast
Overcast
 11° /3° 6.6 mm 2
21 Dec. Sunny
Sunny
 10° /2° 0 mm 2
22 Dec. Partly cloudy
Partly cloudy
 9° /1° 3.7 mm 2
23 Dec. Patchy rain possible
Patchy rain possible
 9° /3° 4.1 mm 2
24 Dec. Sunny
Sunny
 8° /2° 0.9 mm 2
25 Dec. Cloudy
Cloudy
 9° /1° 0 mm 2
26 Dec. Sunny
Sunny
 9° /1° 0 mm 2
27 Dec. Sunny
Sunny
 11° /1° 0 mm 2
28 Dec. Sunny
Sunny
 11° /2° 0.2 mm 2
29 Dec. Sunny
Sunny
 11° /3° 0.3 mm 2
30 Dec. Patchy rain possible
Patchy rain possible
 10° /2° 0.1 mm 2
31 Dec. Sunny
Sunny
 9° /1° 1.3 mm 2
Next
Important Notice
Our weather forecast for Koper-Capodistria in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Koper-Capodistria forecast closer to your planned date for the most up-to-date weather information.
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Koper-Capodistria in December - FAQ

What are the expected maximum and minimum temperatures in Koper-Capodistria during December?

Prepare for cooler days with highs just around 9° and colder nights, dipping below 2°.

How much rainfall should be expected in Koper-Capodistria during December?

In December, Koper-Capodistria can expect light to moderate rainfall, totaling 42.4 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Koper-Capodistria in December 2026?

Koper-Capodistria typically sees 0 cm of snowfall during December.

What are the typical wind conditions in Koper-Capodistria during December?

The average wind speed in Koper-Capodistria during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Koper-Capodistria

Explore the daily rainfall trends and prepare for Koper-Capodistrias December weather 💧
Typically, Koper-Capodistria has 9 rainy days in December with a total of 42.4 mm of rainfall.
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Location coordinates Where is Koper-Capodistria?

Get accurate weather forecasts for Koper-Capodistria, located at latitude 45.547 and longitude 13.729. Stay updated with localized weather information tailored for Koper-Capodistria.

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