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

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Weather in March

March features less severe weather conditions in Grytviken, observing a small drop in temperatures from the previous month. The daylight hours shrink further, leading to reduced evaporation and a subsequent decline in rainfall to 109mm (4.29"). Despite these minor shifts, the city still experiences high levels of humidity at 90%. The snowfall frequency, too, takes a step back, indicating the approaching end of the harsh winters. However, the coastal city continues to experience strong gusts with an average wind speed of 24.1km/h (15mph).

Temperature

Grytviken's shift from February to March is accompanied by an average high-temperature of a still icy 3°C (37.4°F), a slight deviation from 3.1°C (37.6°F). In Grytviken, a slight decrease from the daytime peak is noted during the month of March, with an average low-temperature of 0.3°C (32.5°F).

Humidity

In March, the average relative humidity is 90%.

Rainfall

In Grytviken, in March, during 20.5 rainfall days, 109mm (4.29") of precipitation is typically accumulated. Throughout the year, in Grytviken, South Georgia and the South Sandwich Islands, there are 168.8 rainfall days, and 1190mm (46.85") of precipitation is accumulated.

Snowfall

Months with snowfall are January through December. March is the month with the least snowfall in Grytviken. Snow falls for 12.7 days and accumulates 125mm (4.92") of snow.

Sea temperature

January through April, with an average sea temperature of 3°C (37.4°F), are months with the warmest seawater in Grytviken.
Note: Within the context of swimming, this state is extremely cold, dangerous, and can result in death. Hypothermia happens quickly in the absence of protective insulated waterproof clothing.

Daylight

The average length of the day in March is 12h and 29min.
On the first day of March, sunrise is at 05:51 and sunset at 19:24. On the last day of the month, sunrise is at 06:49 and sunset at 18:10 -02.

Sunshine

The average sunshine in March in Grytviken, South Georgia and the South Sandwich Islands, is 4.4h.

UV index

The months with the highest UV index in Grytviken are January through December, with an average maximum UV index of 1. January through December, with an average maximum UV index of 1, are months with the lowest UV index in Grytviken. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 1 during March leads to these advisories:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Resources | Updated: Feb 3, 2024 | Published by: Weather Atlas

Frequently asked questions

How cold is March in Grytviken?

March temperatures vary between a high-temperature of 3°C (37.4°F) and a low-temperature of 0.3°C (32.5°F).

What is the average humidity in March in Grytviken?

The average relative humidity in March in Grytviken is 90%.

How many days does it rain in March in Grytviken?

In Grytviken, South Georgia and the South Sandwich Islands, in March, during 20.5 rainfall days, 109mm (4.29") of precipitation is typically accumulated.

When it does not snow in Grytviken?

March is the month with the least snowfall in Grytviken, South Georgia and the South Sandwich Islands. Snow falls for 12.7 days and accumulates 125mm (4.92") of snow.

How many days does it snow in March in Grytviken?

In Grytviken, South Georgia and the South Sandwich Islands, in March, snow falls for 12.7 days, with typically accumulated 125mm (4.92") of snow.

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

The months with the warmest seawater in Grytviken, South Georgia and the South Sandwich Islands, are January through April, with an average sea temperature of 3°C (37.4°F).

What is the water temperature in March in Grytviken?

In Grytviken, the average seawater temperature in March is 3°C (37.4°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in March in Grytviken?

The average day length in March in Grytviken, South Georgia and the South Sandwich Islands, is 12h and 29min.

What time are sunrise and sunset in March in Grytviken?

On the first day of March in Grytviken, sunrise is at 05:51 and sunset at 19:24. On the last day of the month, sunrise is at 06:49 and sunset at 18:10 -02.

How many hours of sunshine does Grytviken have in March?

In Grytviken, the average sunshine duration in March is 4.4h.

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

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

What is the month with the lowest UV index in Grytviken?

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

What is the UV index intensity in March in Grytviken?

The average daily maximum UV index in March in Grytviken, South Georgia and the South Sandwich Islands, is 1. A UV Index estimate of 2, and below, represents a low health threat from 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 March
Grytviken, South Georgia and the South Sandwich Islands

Average temperature in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average high temperature in March: 3°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 March: 0.3°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).

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

Average pressure in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average pressure in March: 999.8mbar

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

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

Average wind speed in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average wind speed in March: 24.1km/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).

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

Average humidity in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average humidity in March: 90%

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

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

Average rainfall in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average rainfall in March: 109mm

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

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

Average rainfall days in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average rainfall days in March: 20.5 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).

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

Average snowfall in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average snowfall in March: 125mm

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

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

Average snowfall days in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average snowfall days in March: 12.7 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).

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

Average sea temperature in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average sea temperature in March: 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).

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

Average daylight in March / Average sunshine in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average daylight in March: 12h 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 March: 4h and 2min

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).

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

Average sunshine days in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average sunshine days in March: 2.8 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).

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

Average UV index in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average UV index in March: 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).

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

Average cloud cover in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average cloud cover in March: 71

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

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

Average visibility in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average visibility in March: 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).

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Grytviken, South Georgia and the South Sandwich Islands

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