Trieste
December
Weather in Trieste for December 2025
Your guide to Trieste weather in December - trends and predictions
In general, the average temperature in Trieste at the beginning of December is 8.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 9.6 °C by the end of December.
Trieste experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 52.8 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
9°/3°
Temperatures
5 km/h
Avg max wind
70 %
Avg humidity
Trieste in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  9° | 2  11° | 3  8° | 4 8° | 5 6° | 6  8° | 7  8° |
| 8 6° | 9  8° | 10 8° | 11 8° | 12 9° | 13 8° | 14 9° |
| 15 10° | 16 9° | 17 9° | 18 10° | 19 9° | 20 8° | 21 8° |
| 22 7° | 23 8° | 24 9° | 25 9° | 26 9° | 27 10° | 28 10° |
| 29 10° | 30 10° | 31 9° |
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Temperatures trend during December in Trieste
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. | Light drizzle | 9° /4° | 4.8 mm | 0 cm | |
| 2 Dec. | Light rain shower | 11° /5° | 7.4 mm | 0 cm | |
| 3 Dec. | Partly cloudy | 8° /2° | 0.2 mm | 0 cm | |
| 4 Dec. | Patchy rain possible | 8° /2° | 0.1 mm | 0 cm | |
| 5 Dec. | Light drizzle | 6° /2° | 1.8 mm | 0 cm | |
| 6 Dec. | Overcast | 8° /1° | 0 mm | 0 cm | |
| 7 Dec. | Sunny | 8° /0° | 0 mm | 0 cm | |
| 8 Dec. | Patchy rain possible | 6° /2° | 24 mm | 0 cm | |
| 9 Dec. | Cloudy | 8° /3° | 0.7 mm | 0 cm | |
| 10 Dec. | Sunny | 8° /2° | 0 mm | 0 cm | |
| 11 Dec. | Sunny | 8° /2° | 0 mm | 0 cm | |
| 12 Dec. | Partly cloudy | 9° /2° | 0 mm | 0 cm | |
| 13 Dec. | Light rain | 8° /3° | 3.3 mm | 0 cm | |
| 14 Dec. | Partly cloudy | 9° /4° | 1 mm | 0 cm | |
| 15 Dec. | Sunny | 10° /2° | 0 mm | 0 cm | |
| 16 Dec. | Sunny | 9° /2° | 0 mm | 0 cm | |
| 17 Dec. | Overcast | 9° /1° | 0 mm | 0 cm | |
| 18 Dec. | Sunny | 10° /3° | 0 mm | 0 cm | |
| 19 Dec. | Sunny | 9° /3° | 3.8 mm | 0 cm | |
| 20 Dec. | Overcast | 8° /2° | 6.8 mm | 0 cm | |
| 21 Dec. | Partly cloudy | 8° /1° | 0 mm | 0 cm | |
| 22 Dec. | Sunny | 7° /0° | 0.9 mm | 0.2 cm | |
| 23 Dec. | Sunny | 8° /2° | 0 mm | 0 cm | |
| 24 Dec. | Sunny | 9° /1° | 0 mm | 0 cm | |
| 25 Dec. | Sunny | 9° /1° | 0 mm | 0 cm | |
| 26 Dec. | Overcast | 9° /2° | 0 mm | 0 cm | |
| 27 Dec. | Cloudy | 10° /2° | 0 mm | 0 cm | |
| 28 Dec. | Partly cloudy | 10° /3° | 0 mm | 0 cm | |
| 29 Dec. | Partly cloudy | 10° /4° | 0 mm | 0 cm | |
| 30 Dec. | Partly cloudy | 10° /4° | 0 mm | 0 cm | |
| 31 Dec. | Light drizzle | 9° /4° | 3.3 mm | 0 cm | |
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Important Notice
Our weather forecast for Trieste 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 Trieste forecast closer to your planned date for the most up-to-date weather information.
Trieste in December - FAQ
What are the expected maximum and minimum temperatures in Trieste during December?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 3°.
How much rainfall should be expected in Trieste during December?
Moderate rainfall is anticipated in Trieste during December, with a total of 52.8 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
Will it snow in Trieste in December 2025?
Trieste typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Trieste during December?
The average wind speed in Trieste during December is 5 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Trieste in December?
As you prepare for your trip to Trieste in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Trieste, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
Trieste snow forecast December 2025
Track daily snowfall levels and discover Trieste’s snowy potential this December ❄️
December rainfall patterns in Trieste
Explore the daily rainfall trends and prepare for Triestes December weather 💧
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