Weather in Sliven for December 2025
Snowfall in Sliven during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Sliven at the beginning of December is 7.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 4 °C by the end of December.
Sliven experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 142 mm.
Is December a good time to visit Sliven? check out the best time to travel to Sliven page.
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Sliven Weather December
Temperatures trend during December in Sliven
December weather in Sliven day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Overcast | 7° /5° | 0 mm | 0 cm | |
| 2 Dec. |  Moderate rain at times | 6° /2° | 10.3 mm | 0 cm | |
| 3 Dec. | Overcast | 6° /2° | 0.1 mm | 0 cm | |
| 4 Dec. |  Cloudy | 7° /2° | 0 mm | 0 cm | |
| 5 Dec. | Overcast | 8° /3° | 0 mm | 0 cm | |
| 6 Dec. | Moderate rain at times | 8° /2° | 0.8 mm | 0 cm | |
| 7 Dec. | Moderate or heavy rain shower | 10° /4° | 19.8 mm | 0 cm | |
| 8 Dec. | Moderate rain at times | 8° /5° | 7.5 mm | 0 cm | |
| 9 Dec. |  Patchy rain possible | 11° /5° | 2 mm | 0 cm | |
| 10 Dec. | Moderate or heavy rain shower | 10° /3° | 14 mm | 0 cm | |
| 11 Dec. | Overcast | 8° /3° | 0 mm | 0 cm | |
| 12 Dec. |  Partly cloudy | 6° /0° | 0 mm | 0 cm | |
| 13 Dec. |  Sunny | 6° /-1° | 0 mm | 0 cm | |
| 14 Dec. | Overcast | 4° /0° | 0.7 mm | 0 cm | |
| 15 Dec. | Overcast | 7° /0° | 0.3 mm | 0 cm | |
| 16 Dec. | Sunny | 6° /0° | 0 mm | 0 cm | |
| 17 Dec. | Sunny | 13° /3° | 0 mm | 0 cm | |
| 18 Dec. | Sunny | 11° /3° | 0 mm | 0 cm | |
| 19 Dec. | Overcast | 9° /3° | 0 mm | 0 cm | |
| 20 Dec. | Overcast | 9° /2° | 0 mm | 0 cm | |
| 21 Dec. | Moderate or heavy rain shower | 5° /0° | 18.6 mm | 0.5 cm | |
| 22 Dec. | Patchy rain possible | 5° /0° | 0.7 mm | 0 cm | |
| 23 Dec. | Overcast | 6° /1° | 0.2 mm | 0 cm | |
| 24 Dec. | Moderate or heavy rain shower | 9° /5° | 28.2 mm | 0 cm | |
| 25 Dec. | Moderate or heavy rain shower | 6° /2° | 30.8 mm | 0 cm | |
| 26 Dec. | Moderate or heavy rain shower | 2° /0° | 6.5 mm | 0 cm | |
| 27 Dec. |  Light freezing rain | 1° /-2° | 1.4 mm | 0 cm | |
| 28 Dec. | Overcast | 2° /-1° | 0 mm | 0 cm | |
| 29 Dec. | Overcast | 3° /0° | 0 mm | 0 cm | |
| 30 Dec. | Sunny | 6° /-2° | 0 mm | 0 cm | |
| 31 Dec. | Sunny | 8° /0° | 0 mm | 0 cm | |
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Sliven weather in December vs November vs January
| November | December | January | |
|---|---|---|---|
| Weather | Sunny | Cloudy | Cloudy |
| Temperatures | 10°/2° | 7°/2° | 7°/1° |
| Rainfall | 58 mm | 142 mm | 27 mm |
| Snowfall | 0 cm | 1 cm | 2 cm |
| Wind | 11 km/h | 13.9 km/h | 8.8 km/h |
| Humidity | 68% | 84% | 79% |
| Rainy days | 10 days | 9 days | 3 days |
| Snow days | 0 days | 1 days | 2 days |
| Dry days | 20 days | 21 days | 26 days |
Planning a trip to Sliven? Discover the best time to visit
Sliven in December - FAQ
What to pack to Sliven in December?
As you prepare for your trip to Sliven 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 Sliven, 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
Sliven snow forecast December 2025
December rainfall patterns in Sliven
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Where is Sliven?Get accurate weather forecasts for Sliven, located at latitude 42.686 and longitude 26.329. Stay updated with localized weather information tailored for Sliven.