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