Average data for 10 years
1 December
Monday
+5°
−1°
2 December
Tuesday
+5°
−2°
3 December
Wednesday
+5°
−1°
4 December
Thursday
+5°
−1°
5 December
Friday
+5°
−1°
6 December
Saturday
+3°
−2°
7 December
Sunday
+3°
−2°
8 December
Monday
+3°
−3°
9 December
Tuesday
+3°
−2°
10 December
Wednesday
+4°
−2°
11 December
Thursday
+3°
−2°
12 December
Friday
+3°
−2°
13 December
Saturday
+2°
−3°
14 December
Sunday
+2°
−4°
15 December
Monday
+2°
−3°
16 December
Tuesday
+2°
−3°
17 December
Wednesday
+1°
−3°
18 December
Thursday
0°
−4°
19 December
Friday
+1°
−4°
20 December
Saturday
+2°
−4°
21 December
Sunday
+2°
−3°
22 December
Monday
+2°
−3°
23 December
Tuesday
+1°
−4°
24 December
Wednesday
+1°
−4°
25 December
Thursday
+1°
−5°
26 December
Friday
0°
−4°
27 December
Saturday
0°
−6°
28 December
Sunday
0°
−5°
29 December
Monday
+1°
−4°
30 December
Tuesday
+1°
−4°
31 December
Wednesday
0°
−5°
Cities with similar weather in December
Gagra
Azerbaijan
Baku
Pitsunda
Uzbekistan
Tashkent
Bulgaria
The Sunny Beach
In December, the weather in Nagano is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Nagano has 11 snowy, 8 partly cloudy, 5 rainy, 5 cloudy, and 2 sunny days in December. The snowfalls are usually heavy. December as well as February, March, April, and May is considered the most uncomfortable time to visit Nagano.