Average data for 10 years
1 May
Wednesday
+16°
+11°
2 May
Thursday
+15°
+10°
3 May
Friday
+15°
+10°
4 May
Saturday
+17°
+11°
5 May
Sunday
+16°
+10°
6 May
Monday
+17°
+11°
7 May
Tuesday
+18°
+13°
8 May
Wednesday
+18°
+13°
9 May
Thursday
+19°
+13°
10 May
Friday
+19°
+14°
11 May
Saturday
+18°
+14°
12 May
Sunday
+16°
+12°
13 May
Monday
+16°
+12°
14 May
Tuesday
+16°
+11°
15 May
Wednesday
+16°
+11°
16 May
Thursday
+17°
+11°
17 May
Friday
+18°
+12°
18 May
Saturday
+17°
+13°
19 May
Sunday
+17°
+12°
20 May
Monday
+20°
+13°
21 May
Tuesday
+19°
+15°
22 May
Wednesday
+20°
+14°
23 May
Thursday
+19°
+14°
24 May
Friday
+20°
+14°
25 May
Saturday
+19°
+14°
26 May
Sunday
+19°
+13°
27 May
Monday
+21°
+14°
28 May
Tuesday
+21°
+16°
29 May
Wednesday
+20°
+15°
30 May
Thursday
+19°
+14°
31 May
Friday
+18°
+14°
In May, the weather in Heidelberg is typically warm. Average daily high temperature in May is about 18 degrees above zero. On average, Heidelberg has 16 rainy, 8 sunny, and 7 partly cloudy days in May. The rains are usually moderate.