Average data for 10 years
1 January
Monday
+3°
+1°
2 January
Tuesday
+3°
+1°
3 January
Wednesday
+3°
+1°
4 January
Thursday
+3°
+2°
5 January
Friday
+3°
+1°
6 January
Saturday
+3°
+1°
7 January
Sunday
+4°
+1°
8 January
Monday
+4°
+3°
9 January
Tuesday
+4°
+3°
10 January
Wednesday
+4°
+3°
11 January
Thursday
+4°
+3°
12 January
Friday
+3°
+3°
13 January
Saturday
+4°
+2°
14 January
Sunday
+4°
+3°
15 January
Monday
+4°
+2°
16 January
Tuesday
+3°
+2°
17 January
Wednesday
+3°
+1°
18 January
Thursday
+3°
+1°
19 January
Friday
+3°
+1°
20 January
Saturday
+2°
+1°
21 January
Sunday
+2°
+1°
22 January
Monday
+2°
+1°
23 January
Tuesday
+2°
0°
24 January
Wednesday
+2°
+1°
25 January
Thursday
+2°
+1°
26 January
Friday
+2°
0°
27 January
Saturday
+3°
0°
28 January
Sunday
+4°
+1°
29 January
Monday
+3°
+2°
30 January
Tuesday
+3°
+2°
31 January
Wednesday
+2°
+1°
Cities with similar weather in January
Netherlands
Amsterdam
Turkey
Kemer
Belgium
Brussels
Ireland
Dublin
Belgium
Bruges
January in Heidelberg is the rainiest and the coldest month of the year. In January, the weather in Heidelberg is typically cold. Average daily high temperature in January is about 3 degrees above zero. On average, Heidelberg has 20 rainy, 7 cloudy, and 4 sunny days in January. The rains are usually moderate. January as well as February, November, and December is considered the most uncomfortable time to visit Heidelberg.