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