Postojna
December
Weather in Postojna for December 2025
Your guide to Postojna weather in December - trends and predictions
With an average of 5 snowy days, Postojna usually enjoys a light touch of snow in December.
In general, the average temperature in Postojna at the beginning of December is 3.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 6.6 °C by the end of December.
Snow Forecast ❄️
Temperatures
25
Dry days
1
Rainy days
5
Snow days
6°/1°
Temperatures
12 km/h
Avg max wind
89 %
Avg humidity
Postojna in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  4° | 2  5° | 3  3° | 4  3° | 5 2° | 6  4° | 7  6° |
| 8  2° | 9  2° | 10  2° | 11 4° | 12  4° | 13  7° | 14  3° |
| 15 5° | 16 5° | 17 7° | 18  8° | 19 8° | 20 8° | 21 5° |
| 22 4° | 23 4° | 24 6° | 25 5° | 26 5° | 27 7° | 28 6° |
| 29 8° | 30 7° | 31 8° |
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Temperatures trend during December in Postojna
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Cloudy | 4° /0° | 0 mm | 0 cm | |
| 2 Dec. | Freezing fog | 5° /0° | 0 mm | 0 cm | |
| 3 Dec. | Mist | 3° /-1° | 0 mm | 0 cm | |
| 4 Dec. | Light freezing rain | 3° /0° | 0.1 mm | 0 cm | |
| 5 Dec. | Light freezing rain | 2° /-2° | 0.1 mm | 0 cm | |
| 6 Dec. | Light snow | 4° /-2° | 0 mm | 0 cm | |
| 7 Dec. | Overcast | 6° /-1° | 0 mm | 0 cm | |
| 8 Dec. | Moderate snow | 2° /0° | 2.4 mm | 1.2 cm | |
| 9 Dec. | Heavy snow | 2° /-1° | 1.8 mm | 1.3 cm | |
| 10 Dec. | Moderate or heavy snow showers | 2° /0° | 1.4 mm | 0.9 cm | |
| 11 Dec. | Fog | 4° /0° | 0.2 mm | 0 cm | |
| 12 Dec. | Light drizzle | 4° /0° | 0.4 mm | 0 cm | |
| 13 Dec. | Light rain shower | 7° /0° | 22.9 mm | 5.1 cm | |
| 14 Dec. | Light snow showers | 3° /0° | 4.1 mm | 2.9 cm | |
| 15 Dec. | Patchy rain possible | 5° /-1° | 0 mm | 0 cm | |
| 16 Dec. | Mist | 5° /-3° | 0 mm | 0 cm | |
| 17 Dec. | Cloudy | 7° /-1° | 0 mm | 0 cm | |
| 18 Dec. | Sunny | 8° /1° | 0 mm | 0 cm | |
| 19 Dec. | Sunny | 8° /1° | 3.6 mm | 0 cm | |
| 20 Dec. | Overcast | 8° /0° | 15.6 mm | 5.1 cm | |
| 21 Dec. | Patchy rain possible | 5° /-2° | 0 mm | 0 cm | |
| 22 Dec. | Mist | 4° /-2° | 5.3 mm | 3.8 cm | |
| 23 Dec. | Mist | 4° /-3° | 4.6 mm | 1.5 cm | |
| 24 Dec. | Mist | 6° /-2° | 0 mm | 0 cm | |
| 25 Dec. | Fog | 5° /-3° | 0 mm | 0 cm | |
| 26 Dec. | Fog | 5° /-1° | 0 mm | 0 cm | |
| 27 Dec. | Patchy rain possible | 7° /-1° | 0 mm | 0 cm | |
| 28 Dec. | Fog | 6° /1° | 0.2 mm | 0 cm | |
| 29 Dec. | Patchy rain possible | 8° /1° | 0.4 mm | 0 cm | |
| 30 Dec. | Fog | 7° /1° | 0.2 mm | 0 cm | |
| 31 Dec. | Light rain shower | 8° /2° | 2.5 mm | 0 cm | |
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Important Notice
Our weather forecast for Postojna 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 Postojna forecast closer to your planned date for the most up-to-date weather information.
Postojna in December - FAQ
What are the expected maximum and minimum temperatures in Postojna during December?
Prepare for cooler days with highs just around 6° and colder nights, dipping below 1°.
How much rainfall should be expected in Postojna during December?
Moderate rainfall is anticipated in Postojna during December, with a total of 65.4 mm spread over approximately 1 days. Considering plans for rainy days is advisable.
Will it snow in Postojna in December 2025?
Postojna experiences an average snowfall of 17.895 cm during December, occurring over 5 days.
What are the typical wind conditions in Postojna during December?
The average wind speed in Postojna during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
Postojna snow forecast December 2025
Track daily snowfall levels and discover Postojna’s snowy potential this December ❄️
December rainfall patterns in Postojna
Explore the daily rainfall trends and prepare for Postojnas December weather 💧
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