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Climate Lab — Kotka, Finland

Climate Lab·

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

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
1
2
4
9
17
24
24
22
17
12
8
2
12
Daily mean°C
-2
-2
0
5
11
19
19
19
14
9
3
-3
8
Daily low°C
-11
-8
-6
0
5
14
15
15
10
4
-3
-7
2
Thermal comfort
High feels°C
-6
-4
6
13
21
29
28
25
18
7
1
-7
11
Mean feels°C
-13
-13
-6
2
11
21
20
19
11
2
-6
-12
3
Low feels°C
-24
-21
-17
-12
1
11
14
12
2
-7
-16
-21
-6
Humidity
Humidity%
89
88
83
68
58
59
71
75
82
86
88
90
78
Dewpoint°C
-3.8
-4.3
-1.8
-1.2
3.5
11.2
13.2
14.3
10.6
6.2
0.8
-4.0
3.7
Precipitation
Rainfallmm
12
25
27
32
35
37
81
80
57
79
54
23
541
Rain days≥1mm
5
4
8
9
8
9
13
14
9
13
13
6
111
Snowfallmm
69
40
15
8
0
0
0
0
0
0
17
50
199
Snow days≥1mm
14
8
4
2
0
0
0
0
0
0
5
13
46
Wind
Wind avgm/s
5.1
4.5
4.2
4.0
3.7
3.3
3.7
3.7
4.3
4.6
4.8
4.7
4.2
Windiest hoursm/s
8.2
8.2
7.5
7.3
6.3
5.9
6.7
6.8
7.4
8.1
7.4
7.4
7.3
Sun & UV
Sunshinehrs/day
0.0
2.0
6.6
10.4
12.0
13.7
12.7
10.6
8.0
3.9
0.0
0.0
6.7
Clear skyindex
3%
18%
31%
45%
49%
55%
43%
37%
28%
22%
6%
4%
28%
UV indexmax avg
0.1
0.4
1.1
2.4
3.5
4.6
4.1
3.2
1.9
0.7
0.2
0.1
1.8
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across Finland

Kotka: -17.9 °C. Typical range in Finland: -20.4–-17.4 °C. Low anchor: Haukipudas, -28.8 °C. High anchor: Sastamala, -16.7 °C.

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