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