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Climate Lab — Sundsvall, Sweden

Climate Lab·

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

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
2
3
6
10
16
24
21
21
16
11
7
2
11
Daily mean°C
-3
-2
1
5
11
18
17
17
11
7
1
-7
6
Daily low°C
-10
-11
-4
-1
5
12
14
12
6
2
-7
-15
0
Thermal comfort
High feels°C
-7
-2
6
14
19
26
24
23
17
8
1
-6
10
Mean feels°C
-15
-12
-4
1
10
20
18
17
10
1
-7
-17
2
Low feels°C
-26
-23
-17
-11
0
10
11
9
1
-8
-17
-24
-8
Humidity
Humidity%
80
80
69
55
49
59
66
72
81
85
87
84
72
Dewpoint°C
-6.1
-5.6
-4.0
-3.0
0.4
8.6
11.4
11.7
6.7
3.9
-1.2
-8.6
1.2
Precipitation
Rainfallmm
17
8
9
15
23
41
89
95
71
67
20
3
455
Rain days≥1mm
2
1
3
7
8
9
16
13
14
11
5
2
91
Snowfallmm
52
29
33
19
0
0
0
0
0
1
27
43
204
Snow days≥1mm
11
6
6
3
0
0
0
0
0
0
7
10
43
Wind
Wind avgm/s
3.6
3.5
3.3
3.1
3.1
2.9
2.9
3.0
3.0
3.2
3.6
3.2
3.2
Wind gustsm/s
6.9
6.6
6.6
6.2
6.0
5.7
6.3
5.9
5.4
5.9
6.1
6.2
6.2
Sun & UV
Sunshinehrs/day
0.0
3.6
7.7
10.9
12.7
12.6
11.8
10.1
6.6
4.7
0.0
0.0
6.7
Clear skyindex
7%
35%
42%
45%
46%
44%
32%
37%
35%
27%
9%
8%
30%
UV indexmax avg
0.1
0.4
1.0
2.0
3.2
4.0
3.3
2.6
1.7
0.6
0.1
0.1
1.6
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across Sweden

Sundsvall: -21.6 °C. Typical range in Sweden: -17.6–-13.7 °C. Low anchor: Luleå, -26.5 °C. High anchor: Karlskrona, -12.1 °C.

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