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