Average data for 10 years
1 December
Sunday
+4°
+2°
2 December
Monday
+3°
+1°
3 December
Tuesday
+2°
+1°
4 December
Wednesday
+3°
+1°
5 December
Thursday
+4°
+1°
6 December
Friday
+5°
+2°
7 December
Saturday
+4°
+3°
8 December
Sunday
+3°
+1°
9 December
Monday
+3°
0°
10 December
Tuesday
+4°
+2°
11 December
Wednesday
+4°
+3°
12 December
Thursday
+2°
+2°
13 December
Friday
+2°
0°
14 December
Saturday
+3°
+2°
15 December
Sunday
+2°
+1°
16 December
Monday
+1°
0°
17 December
Tuesday
+1°
0°
18 December
Wednesday
0°
0°
19 December
Thursday
+2°
−1°
20 December
Friday
+3°
0°
21 December
Saturday
+4°
+2°
22 December
Sunday
+5°
+2°
23 December
Monday
+5°
+3°
24 December
Tuesday
+5°
+4°
25 December
Wednesday
+4°
+3°
26 December
Thursday
+3°
+2°
27 December
Friday
+2°
+1°
28 December
Saturday
+2°
0°
29 December
Sunday
0°
−2°
30 December
Monday
0°
−3°
31 December
Tuesday
0°
−3°
Cities with similar weather in December
Georgia
Tbilisi
Germany
Berlin
Ireland
Dublin
Denmark
Copenhagen
Switzerland
Zurich
In December, the weather in Postojna is typically cold. Average daily high temperature in December is about 3 degrees above zero. On average, Postojna has 16 rainy, 6 sunny, 6 cloudy, 2 snowy, and 1 partly cloudy day in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Postojna.