January Weather in Grytviken

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%.

-2°C (29°F)

Minimum temperature

2°C (36°F)

Average temperature

6°C (43°F)

Maximum temperature

92%

Humidity

Precipitation and Sunshine hours

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.

120 mm (4.7 inches)

Precipitation

19 rainy days

Rainy days

4 hours 49 minutes

Sunshine hours

14%

Chance of sun

UV Index

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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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

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