Average data for 10 years
1 April
Monday
+6°
+1°
2 April
Tuesday
+7°
+2°
3 April
Wednesday
+8°
+3°
4 April
Thursday
+9°
+4°
5 April
Friday
+8°
+4°
6 April
Saturday
+8°
+3°
7 April
Sunday
+7°
+4°
8 April
Monday
+10°
+5°
9 April
Tuesday
+11°
+5°
10 April
Wednesday
+8°
+3°
11 April
Thursday
+7°
+3°
12 April
Friday
+10°
+5°
13 April
Saturday
+11°
+6°
14 April
Sunday
+9°
+5°
15 April
Monday
+11°
+6°
16 April
Tuesday
+11°
+7°
17 April
Wednesday
+12°
+6°
18 April
Thursday
+9°
+4°
19 April
Friday
+9°
+6°
20 April
Saturday
+9°
+5°
21 April
Sunday
+9°
+5°
22 April
Monday
+9°
+5°
23 April
Tuesday
+12°
+7°
24 April
Wednesday
+12°
+7°
25 April
Thursday
+12°
+7°
26 April
Friday
+11°
+8°
27 April
Saturday
+12°
+7°
28 April
Sunday
+13°
+7°
29 April
Monday
+14°
+9°
30 April
Tuesday
+14°
+9°
April in Nagano is the windiest month of the year. Average daily high temperature in April is about 10 degrees above zero. On average, Nagano has 21 rainy, 6 sunny, and 3 partly cloudy days in April. The rains are usually heavy. April as well as March, June, July, and August is considered the most uncomfortable time to visit Nagano.