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