Climate LabNiigata, Japan

Climate Lab·

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

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
9
11
13
16
20
25
29
31
29
22
18
11
19
Daily mean°C
5
6
9
12
17
22
26
28
25
18
14
7
16
Daily low°C
2
2
5
8
13
19
24
26
21
14
9
3
12
Thermal comfort
High feels°C
7
10
15
21
26
30
35
37
34
24
19
9
22
Mean feels°C
-5
-3
5
11
18
25
30
32
26
16
7
-2
13
Low feels°C
-14
-13
-6
1
9
18
24
26
17
7
-2
-12
4
Humidity
Humidity%
71
68
68
70
77
79
83
79
75
71
70
76
74
Dewpoint°C
-0.1
-0.7
2.4
7.5
13.1
18.5
23.3
24.6
20.3
13.1
7.8
2.9
11.0
Precipitation
Rainfallmm
159
123
104
99
108
110
178
144
134
160
228
210
1755
Rain days≥1mm
24
24
18
11
11
13
15
16
14
17
20
29
212
Snowfallmm
3
2
0
0
0
0
0
0
0
0
0
3
8
Snow days≥1mm
1
1
0
0
0
0
0
0
0
0
0
1
3
Wind
Wind avgm/s
5.7
5.5
4.0
3.9
3.2
2.8
2.8
3.0
3.6
3.9
4.5
6.4
4.1
Wind gustsm/s
12.9
11.3
9.9
8.0
6.8
6.2
6.2
6.7
6.8
8.2
9.6
11.5
8.7
Sun & UV
Sunshinehrs/day
5.0
6.8
8.0
9.9
10.6
10.2
10.3
9.3
8.3
7.6
6.2
4.7
8.1
Clear skyindex
20%
32%
37%
44%
44%
40%
45%
45%
41%
39%
38%
26%
38%
UV indexmax avg
1.3
1.8
2.9
5.0
6.1
6.6
6.8
7.1
5.6
3.3
1.8
1.0
4.1
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across Japan

Niigata: -9.0 °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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