January weather forecast
Grytviken, South Georgia and the South Sandwich Islands

englishespañol中文
Share

Weather in January

In Grytviken, January's weather brings typical Antarctic conditions with prevailing chilly temperatures and an increased chance of snowfall. The days are relatively long compared to other months, and the city experiences a high average humidity of 91%. This period records its highest rainfall, receiving a significant 112mm (4.41") of precipitation, most likely the outcome of long daylight hours. Beach-goers may find the sea temperatures unbearably cold, while trekkers should be prepared for high chances of snowiness. The month is confirmed to be the windiest, with average wind speeds reaching up to 23.7km/h (14.7mph).

Temperature

The onset of January notes an average high-temperature of a still icy 2.6°C (36.7°F), subtly shifted from December's 1.9°C (35.4°F). Grytviken registers a steady nighttime temperature averaging a still wintry 0.5°C (32.9°F) throughout January.

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 91%.

Rainfall

In Grytviken, South Georgia and the South Sandwich Islands, in January, during 20.4 rainfall days, 112mm (4.41") of precipitation is typically accumulated. In Grytviken, during the entire year, the rain falls for 168.8 days and collects up to 1190mm (46.85") of precipitation.

Snowfall

January through December are months with snowfall in Grytviken. In Grytviken, South Georgia and the South Sandwich Islands, in January, snow falls for 15.7 days, with typically accumulated 208mm (8.19") of snow. Throughout the year, there are 193 snowfall days, and 3130mm (123.23") of snow is accumulated.

Sea temperature

The months with the warmest seawater are January through April, with an average sea temperature of 3°C (37.4°F).
Note: In swimming situations, this is a grave threat to life. The intense coldness of the water triggers extreme discomfort and rapid hyperventilation. A specialized swimsuit is required to mitigate thermal damage.

Daylight

The average length of the day in January in Grytviken, South Georgia and the South Sandwich Islands, is 16h and 28min.
On the first day of January in Grytviken, South Georgia and the South Sandwich Islands, sunrise is at 03:56 and sunset at 21:02. On the last day of the month, sunrise is at 04:49 and sunset at 20:29 -02.

Sunshine

The average sunshine in January is 4.7h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 1. The months with the lowest UV index are January through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the maximum UV index of 1 translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Enhance your sun protection with tightly woven, yet airy clothing. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
[Resources]

Frequently asked questions

How cold is it in Grytviken in January?

In Grytviken, 2.6°C (36.7°F) is the average high-temperature and 0.5°C (32.9°F) is the average low-temperature during January.

What is the most humid month in Grytviken?

January and February, with an average relative humidity of 91%, are most humid months in Grytviken, South Georgia and the South Sandwich Islands.

What is the average humidity in January in Grytviken?

In January, the average relative humidity in Grytviken, South Georgia and the South Sandwich Islands, is 91%.

How many days does it rain in January in Grytviken?

In Grytviken, in January, it is raining for 20.4 days, with typically 112mm (4.41") of accumulated precipitation.

How much does it snow in Grytviken in January?

In Grytviken, South Georgia and the South Sandwich Islands, during January, snow falls for 15.7 days and regularly aggregates up to 208mm (8.19") of snow.

What are the months with the warmest sea water in Grytviken?

January through April, with an average sea temperature of 3°C (37.4°F), are months with the warmest seawater.

What is the sea temperature in January in Grytviken?

In Grytviken, the average seawater temperature in January is 3°C (37.4°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Grytviken have in January?

In January, the average day length in Grytviken is 16h and 28min.

When are sunrise and sunset in January in Grytviken?

In January, on the first day of the month, sunrise is at 03:56 and sunset at 21:02. On the last day of the month, in Grytviken, South Georgia and the South Sandwich Islands, sunrise is at 04:49 and sunset at 20:29 -02.

How long on average sun shines in January in Grytviken?

In Grytviken, South Georgia and the South Sandwich Islands, the average sunshine duration in January is 4.7h.

What are the months with the highest UV index in Grytviken?

The months with the highest UV index are January through December, with an average maximum UV index of 1.

When is the lowest UV index in Grytviken?

The months with the lowest UV index in Grytviken, South Georgia and the South Sandwich Islands, are January through December, with an average maximum UV index of 1.

How high is the UV index in January in Grytviken?

In January, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Grytviken, South Georgia and the South Sandwich Islands

Average temperature in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average high temperature in January: 2.6°C

The warmest month (with the highest average high temperature) is February (3.1°C).
The month with the lowest average high temperature is August (-1.6°C).

  • Average low temperature in January: 0.5°C

The month with the highest average low temperature is February (1°C).
The coldest month (with the lowest average low temperature) is August (-4.9°C).

[Resources]

Average pressure in January
Grytviken, South Georgia and the South Sandwich Islands

Average pressure in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average pressure in January: 994.4mbar

The month with the highest atmospheric pressure is September (1002.1mbar).
The month with the lowest atmospheric pressure is December (992.9mbar).

[Resources]

Average wind speed in January
Grytviken, South Georgia and the South Sandwich Islands

Average wind speed in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average wind speed in January: 23.7km/h

The windiest month (with the highest average wind speed) is September (25.7km/h).
The calmest month (with the lowest average wind speed) is December (23.5km/h).

[Resources]

Average humidity in January
Grytviken, South Georgia and the South Sandwich Islands

Average humidity in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average humidity in January: 91%

The months with the highest relative humidity are January and February (91%).
The months with the lowest relative humidity are July and August (87%).

[Resources]

Average rainfall in January
Grytviken, South Georgia and the South Sandwich Islands

Average rainfall in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average rainfall in January: 112mm

The wettest month (with the highest rainfall) is April (114mm).
The driest month (with the least rainfall) is October (82mm).

[Resources]

Average rainfall days in January
Grytviken, South Georgia and the South Sandwich Islands

Average rainfall days in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average rainfall days in January: 20.4 days

The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (7.8 days).

[Resources]

Average snowfall in January
Grytviken, South Georgia and the South Sandwich Islands

Average snowfall in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average snowfall in January: 208mm

The month with the highest snowfall is August (421mm).
The month with the least snowfall is March (125mm).

[Resources]

Average snowfall days in January
Grytviken, South Georgia and the South Sandwich Islands

Average snowfall days in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average snowfall days in January: 15.7 days

The month with the highest number of snowfall days is August (19 days).
The month with the least snowfall days is February (11.7 days).

[Resources]

Average sea temperature in January
Grytviken, South Georgia and the South Sandwich Islands

Average sea temperature in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average sea temperature in January: 3°C

The best months for swimming (with the highest average sea temperature) are January, February, March and April (3°C).
The coldest months (with the lowest average sea temperature) are August, September and October (0°C).

[Resources]

Average daylight in January /
Average sunshine in January
Grytviken, South Georgia and the South Sandwich Islands

Average daylight in January / Average sunshine in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average daylight in January: 16h and 3min

The month with the longest days is December (Average daylight: 17h and 6min).
The month with the shortest days is June (Average daylight: 7h and 24min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is October (Average sunshine: 5h and 48min).
The month with the least sunshine is August (Average sunshine: 3h and 0min).

[Resources]

Average sunshine days in January
Grytviken, South Georgia and the South Sandwich Islands

Average sunshine days in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average sunshine days in January: 1.1 days

The months with the most sunshine days are September and November (4 days).
The month with the least sunshine days is January (1.1 days).

[Resources]

Average UV index in January
Grytviken, South Georgia and the South Sandwich Islands

Average UV index in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average UV index in January: 1

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 1).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 1).

[Resources]

Average cloud cover in January
Grytviken, South Georgia and the South Sandwich Islands

Average cloud cover in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average cloud cover in January: 73

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is October (Cloud cover 66).

[Resources]

Average visibility in January
Grytviken, South Georgia and the South Sandwich Islands

Average visibility in January - Grytviken, South Georgia and the South Sandwich Islands
  • Average visibility in January: 8km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (8km).
The months with the lowest visibility are July, August and September (7km).

[Resources]

Grytviken, South Georgia and the South Sandwich Islands

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location