Last updated: March 2, 2024
The weather in Grytviken, South Georgia and the South Sandwich Islands, during January is characterized by an average temperature of 2°C (36°F). Highs can soar to 6°C (43°F), while lows may dip to -2°C (29°F). Typically, the humidity level in Grytviken throughout January hovers around 92%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Grytviken averages 120 mm (4.7 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 16 hours 27 minutes of daylight, with the sun shining for approximately 4 hours 49 minutes each day. Additionally, there is a 14% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Grytviken reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 2 | 4 | 6 | 8 | 10 | 11 | 11 | 10 | 8 | 5 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||