Climate LabLongyearbyen, Svalbard and Jan Mayen

Climate Lab·

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

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
-4
-4
-5
-1
1
7
11
10
5
2
0
-2
2
Daily mean°C
-14
-10
-16
-9
-3
3
8
6
2
-5
-8
-10
-5
Daily low°C
-20
-16
-20
-17
-8
0
5
3
-2
-9
-13
-16
-9
Thermal comfort
High feels°C
-17
-15
-10
4
10
15
16
13
4
-2
-8
-13
0
Mean feels°C
-28
-24
-21
-10
2
7
9
6
-1
-13
-19
-24
-10
Low feels°C
-36
-33
-32
-22
-7
-3
1
0
-12
-22
-28
-30
-19
Humidity
Humidity%
78
80
77
76
76
82
83
86
87
87
84
80
81
Dewpoint°C
-17.9
-13.9
-20.9
-13.7
-6.7
0.2
4.3
2.9
-0.2
-6.7
-10.8
-13.6
-8.1
Precipitation
Rainfallmm
0
0
0
0
9
28
55
68
54
13
16
1
243
Rain days≥1mm
0
0
0
0
3
5
13
15
10
3
2
0
51
Snowfallmm
42
38
46
29
24
7
0
0
13
25
47
42
312
Snow days≥1mm
11
13
10
7
8
2
0
0
4
8
16
10
89
Wind
Wind avgm/s
3.4
2.8
2.6
2.6
2.6
2.5
2.6
2.1
2.3
2.3
2.8
2.8
2.6
Wind gustsm/s
6.6
6.1
5.9
5.8
5.4
5.1
4.6
4.6
5.2
5.3
6.3
5.6
5.5
Sun & UV
Sunshinehrs/day
0.0
0.0
0.0
8.7
15.0
15.7
8.0
4.3
0.0
0.0
0.0
0.0
4.3
Clear skyindex
0%
10%
21%
29%
24%
21%
12%
11%
1%
UV indexmax avg
0.0
0.0
0.2
0.9
1.5
1.5
1.2
0.8
0.3
0.0
0.0
0.0
0.5
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared worldwide

Longyearbyen: -30.9 °C. Typical range: -9.115.9 °C. Low anchor: Toronto, -18.1 °C. High anchor: Singapore, 25.2 °C.

22,874 cities tracked