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