Average data for 10 years
1 December
Sunday
+10°
+7°
2 December
Monday
+9°
+7°
3 December
Tuesday
+9°
+6°
4 December
Wednesday
+7°
+3°
5 December
Thursday
+7°
+4°
6 December
Friday
+7°
+4°
7 December
Saturday
+7°
+4°
8 December
Sunday
+6°
+3°
9 December
Monday
+5°
+4°
10 December
Tuesday
+4°
+1°
11 December
Wednesday
+5°
+1°
12 December
Thursday
+5°
+3°
13 December
Friday
+5°
+2°
14 December
Saturday
+4°
+2°
15 December
Sunday
+4°
+2°
16 December
Monday
+3°
+1°
17 December
Tuesday
+4°
+1°
18 December
Wednesday
+4°
+1°
19 December
Thursday
+5°
+2°
20 December
Friday
+4°
+1°
21 December
Saturday
+4°
+1°
22 December
Sunday
+5°
+1°
23 December
Monday
+7°
+2°
24 December
Tuesday
+7°
+4°
25 December
Wednesday
+6°
+4°
26 December
Thursday
+6°
+3°
27 December
Friday
+6°
+3°
28 December
Saturday
+3°
+3°
29 December
Sunday
+1°
0°
30 December
Monday
0°
−2°
31 December
Tuesday
0°
−2°
Cities with similar weather in December
United States
New York
Turkey
Ankara
Kazakhstan
Taraz
Serbia
Belgrade
Azerbaijan
Gyandja
In December, the weather in Sliven is typically cold. Average daily high temperature in December is about 5 degrees above zero. On average, Sliven has 13 partly cloudy, 9 sunny, 5 rainy, 3 cloudy, and 1 snowy day in December. The rains are usually moderate. December as well as January, February, March, and May is considered the most uncomfortable time to visit Sliven.