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Climate Lab — Nagaoka, Japan

Climate Lab·

Monthly climate metrics across temperature, precipitation, wind, and UV.

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
7
11
15
20
25
28
32
33
31
23
17
10
21
Daily mean°C
3
4
9
14
19
24
28
29
25
18
12
5
16
Daily low°C
0
0
4
9
14
20
24
26
20
12
7
1
11
Thermal comfort
High feels°C
10
14
17
22
27
31
36
37
35
25
20
12
24
Mean feels°C
-2
-1
6
13
19
26
31
33
26
16
9
0
15
Low feels°C
-12
-11
-5
2
10
19
24
26
18
7
-2
-10
6
Humidity
Humidity%
79
74
68
64
66
70
78
75
74
76
76
85
74
Dewpoint°C
-0.4
-0.8
2.0
6.7
12.1
17.7
23.3
23.5
20.7
12.2
7.2
2.1
10.5
Precipitation
Rainfallmm
153
137
149
130
116
110
205
148
194
166
296
148
1951
Rain days≥1mm
22
21
18
13
12
15
23
21
16
16
20
25
222
Snowfallmm
44
24
0
0
0
0
0
0
0
0
0
19
88
Snow days≥1mm
8
6
0
0
0
0
0
0
0
0
0
4
18
Wind
Wind avgm/s
2.3
2.6
2.5
2.4
2.0
1.9
1.6
1.7
1.9
2.0
2.2
2.6
2.1
Wind gustsm/s
7.3
6.8
6.7
6.1
5.1
4.2
4.2
4.0
3.8
4.5
5.6
6.5
5.4
Sun & UV
Sunshinehrs/day
5.3
7.0
8.0
9.2
9.8
10.1
9.7
8.8
8.9
7.6
6.7
5.7
8.1
Clear skyindex
20%
30%
37%
44%
43%
37%
40%
37%
39%
40%
41%
23%
36%
UV indexmax avg
1.4
2.0
3.3
5.0
6.2
6.7
6.8
7.4
5.5
3.3
2.0
1.1
4.2
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across Japan

Nagaoka: -7.4 °C. Typical range in Japan: -9.4–-4.3 °C. Low anchor: Hakodate, -19.9 °C. High anchor: Naha, 8.1 °C.

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