Nagano Weather Averages

Climate averages for Nagano based on 10 years of historical data.

Average Nagano temperatures by month

Avg high

3°

J

5°

F

10°

M

16°

A

22°

M

25°

J

28°

J

30°

A

25°

S

19°

O

13°

N

7°

D

Avg low

-5°

J

-5°

F

-1°

M

4°

A

9°

M

14°

J

19°

J

20°

A

16°

S

8°

O

3°

N

-2°

D

Average rainfall in Nagano by month

Rainfall (mm)

125

J

96

F

118

M

124

A

136

M

152

J

252

J

167

A

187

S

164

O

104

N

131

D

Sunshine hours in Nagano by month

Sunshine (h/day)

2

J

2

F

3

M

4

A

5

M

3

J

2

J

2

A

2

S

3

O

3

N

2

D

Humidity in Nagano by month

Average humidity

85%

J

82%

F

76%

M

70%

A

70%

M

78%

J

82%

J

81%

A

82%

S

80%

O

78%

N

80%

D

Month-by-month averages

Month	Avg High	Avg Low	Rainfall	Sunshine
1월 날씨	3°C	-5°C	125 mm	1.6h
2월 날씨	5°C	-5°C	96 mm	2.3h
3월 날씨	10°C	-1°C	118 mm	3.1h
4월 날씨	16°C	4°C	124 mm	4.0h
5월 날씨	22°C	9°C	136 mm	4.6h
6월 날씨	25°C	14°C	152 mm	3.4h
7월 날씨	28°C	19°C	252 mm	2.2h
8월 날씨	30°C	20°C	167 mm	2.0h
9월 날씨	25°C	16°C	187 mm	2.5h
10월 날씨	19°C	8°C	164 mm	2.9h
11월 날씨	13°C	3°C	104 mm	2.7h
12월 날씨	7°C	-2°C	131 mm	1.8h