Portorož
December
Weather in Portorož for December 2025
Your guide to Portorož weather in December - trends and predictions
In general, the average temperature in Portorož at the beginning of December is 8.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 10.7 °C by the end of December.
Portorož experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 32.3 mm.
Temperatures
Rain 🌧️
25
Dry days
6
Rainy days
0
Snow days
10°/3°
Temperatures
11 km/h
Avg max wind
79 %
Avg humidity
Portorož in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  10° | 2  11° | 3  9° | 4  8° | 5 8° | 6  7° | 7 8° |
| 8  8° | 9 8° | 10 9° | 11 9° | 12 9° | 13 10° | 14 8° |
| 15 10° | 16 9° | 17 10° | 18 11° | 19 11° | 20 10° | 21 9° |
| 22 8° | 23 8° | 24 9° | 25 10° | 26 10° | 27 11° | 28 11° |
| 29 11° | 30 11° | 31 11° |
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Temperatures trend during December in Portorož
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Sunny | 10° /3° | 0 mm | 4 | |
| 2 Dec. | Partly cloudy | 11° /1° | 0 mm | 4 | |
| 3 Dec. | Overcast | 9° /1° | 0 mm | 2 | |
| 4 Dec. | Cloudy | 8° /2° | 0 mm | 2 | |
| 5 Dec. | Sunny | 8° /2° | 0 mm | 3 | |
| 6 Dec. | Patchy rain possible | 7° /0° | 0 mm | 2 | |
| 7 Dec. | Cloudy | 8° /0° | 0 mm | 2 | |
| 8 Dec. | Patchy light rain | 8° /3° | 2.4 mm | 2 | |
| 9 Dec. | Overcast | 8° /2° | 0.1 mm | 2 | |
| 10 Dec. | Light drizzle | 9° /1° | 1 mm | 2 | |
| 11 Dec. | Patchy rain possible | 9° /1° | 0.1 mm | 3 | |
| 12 Dec. | Patchy rain possible | 9° /2° | 0.1 mm | 3 | |
| 13 Dec. | Light rain shower | 10° /2° | 10.7 mm | 3 | |
| 14 Dec. | Light drizzle | 8° /3° | 1.2 mm | 2 | |
| 15 Dec. | Sunny | 10° /1° | 0 mm | 4 | |
| 16 Dec. | Sunny | 9° /0° | 0 mm | 3 | |
| 17 Dec. | Overcast | 10° /1° | 0 mm | 4 | |
| 18 Dec. | Sunny | 11° /2° | 0 mm | 3 | |
| 19 Dec. | Sunny | 11° /3° | 4.5 mm | 3 | |
| 20 Dec. | Overcast | 10° /2° | 9.9 mm | 3 | |
| 21 Dec. | Patchy rain possible | 9° /1° | 0 mm | 3 | |
| 22 Dec. | Partly cloudy | 8° /0° | 5.2 mm | 3 | |
| 23 Dec. | Partly cloudy | 8° /1° | 4.2 mm | 3 | |
| 24 Dec. | Sunny | 9° /2° | 0 mm | 3 | |
| 25 Dec. | Cloudy | 10° /2° | 0 mm | 3 | |
| 26 Dec. | Patchy rain possible | 10° /2° | 0.1 mm | 3 | |
| 27 Dec. | Patchy rain possible | 11° /2° | 0 mm | 4 | |
| 28 Dec. | Patchy rain possible | 11° /3° | 0.4 mm | 4 | |
| 29 Dec. | Patchy rain possible | 11° /4° | 0.5 mm | 4 | |
| 30 Dec. | Patchy rain possible | 11° /4° | 0.1 mm | 4 | |
| 31 Dec. | Light rain shower | 11° /4° | 2 mm | 4 | |
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Important Notice
Our weather forecast for Portorož 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 Portorož forecast closer to your planned date for the most up-to-date weather information.
Portorož in December - FAQ
What are the expected maximum and minimum temperatures in Portorož during December?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 3°.
How much rainfall should be expected in Portorož during December?
In December, Portorož can expect light to moderate rainfall, totaling 32.3 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Portorož during December?
The average wind speed in Portorož during December is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Portorož
Explore the daily rainfall trends and prepare for Portorožs December weather 💧
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