Climate LabGrytviken, South Georgia and the South Sandwich Islands

Climate Lab·

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

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
4
6
5
4
1
1
-1
0
1
2
3
4
3
Daily mean°C
2
3
2
1
-1
-3
-4
-3
-1
0
1
2
0
Daily low°C
1
1
-1
-2
-5
-7
-7
-6
-4
-3
-1
0
-3
Thermal comfort
High feels°C
9
8
6
1
-2
-5
-8
-3
1
5
9
10
3
Mean feels°C
2
0
-4
-9
-12
-15
-18
-14
-9
-5
0
2
-7
Low feels°C
-8
-11
-15
-20
-21
-25
-27
-26
-20
-17
-11
-10
-18
Humidity
Humidity%
89
90
89
91
87
89
84
89
90
90
89
89
89
Dewpoint°C
0.5
1.4
0.4
-0.4
-3.2
-4.6
-6.4
-4.3
-3.3
-1.1
-0.1
0.8
-1.7
Precipitation
Rainfallmm
102
104
106
82
39
0
4
3
38
32
67
75
652
Rain days≥1mm
20
17
19
13
5
2
0
0
5
10
12
15
118
Snowfallmm
23
14
44
44
73
110
131
142
92
102
36
27
835
Snow days≥1mm
4
4
8
12
18
19
20
22
19
22
9
7
164
Wind
Wind avgm/s
5.3
6.0
5.7
6.2
4.6
4.9
5.3
5.6
5.6
5.6
5.4
5.5
5.5
Wind gustsm/s
9.1
9.1
9.6
9.3
8.7
8.8
9.4
9.3
9.3
9.3
8.9
9.1
9.1
Sun & UV
Sunshinehrs/day
10.6
9.0
7.3
5.0
3.6
2.0
3.0
5.0
7.0
9.0
10.6
11.6
7.0
Clear skyindex
25%
24%
23%
18%
21%
12%
16%
22%
22%
24%
30%
28%
22%
UV indexmax avg
4.7
3.4
1.9
0.9
0.5
0.3
0.4
0.8
2.0
3.4
5.2
5.4
2.4
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared worldwide

Grytviken: -22.3 °C. Typical range: -9.115.9 °C. Low anchor: Toronto, -18.1 °C. High anchor: Singapore, 25.2 °C.

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