Average annual temperature is 1.7 °C
Absolute maximum temperature: 15.3 °C
Absolute minimum temperature: -13.8 °C
Number of sunny days: 44
Number of rainy days: 233
Number of snow days: 88
Average annual precipitation: 3738 mm
Look at detailed online map of Grytviken
* Weather data for Grytviken South Georgia and the South Sandwich Islands is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14 | 15.3 | 10.8 | 7.9 | 8.4 | 5.8 | 5.9 | 7.4 | 4.6 | 9.3 | 8.9 | 14.4 |
| Average daytime temperature (°C) | 8.1 | 7.4 | 5.9 | 3.9 | 3.2 | 1.6 | -0.4 | 0.5 | 0.8 | 4.9 | 4.5 | 5 |
| Average temperature (°C) | 5.6 | 5.3 | 4 | 2.3 | 1.3 | 0.1 | -3 | -2 | -1.4 | 2.7 | 2.8 | 3 |
| Average night temperature (°C) | 2.9 | 3.3 | 1.9 | 0.3 | -1 | -1.6 | -5.9 | -4.5 | -4 | 0.1 | 0.8 | 0.9 |
| Absolute minimum temperature (°C) | 0.4 | 0.2 | -0.6 | -4.2 | -6.2 | -9.5 | -11.5 | -10.8 | -13.8 | -6.4 | -3.5 | -2.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 17.1 | 15.6 | 13.6 | 11.4 | 9.3 | 7.7 | 8.6 | 10.6 | 12.7 | 14.9 | 16.7 | 17.2 |
| Daylight mean duration (h) | 16.5 | 14.7 | 12.5 | 10.3 | 8.4 | 7.4 | 7.9 | 9.6 | 11.7 | 13.9 | 15.9 | 17.1 |
| Daylight minimum duration (h) | 15.7 | 13.7 | 11.4 | 9.3 | 7.7 | 7.3 | 7.4 | 8.6 | 10.6 | 12.8 | 15 | 16.8 |
| Sunshine mean duration (h) | 6 | 4.1 | 5.2 | 5.2 | 3 | 2.9 | 3.4 | 4.2 | 5.1 | 6.1 | 7.2 | 5.1 |
| Precipitation (mm) | 267 | 427 | 325 | 269 | 332 | 351 | 287 | 411 | 292 | 266 | 275 | 238 |
| Sunny days | 2 | 1 | 6 | 3 | 3 | 8 | 3 | 4 | 5 | 6 | 3 | |
| Rainy days | 22 | 27 | 23 | 11 | 12 | 9 | 13 | 24 | 23 | 24 | 21 | 24 |
| Snow days | 7 | 1 | 7 | 13 | 16 | 18 | 10 | 4 | 3 | 2 | 3 | 4 |
The best time to visit Grytviken during the most sunny months:
Months with the longest average daylight duration in Grytviken:
The largest precipitation sum in Grytviken is at