Grytviken
South Georgia and the South Sandwich Islands
Long-term weather forecast
Long-term weather forecast

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

The first month of the autumn, March, is also a frosty month in Grytviken, South Georgia and the South Sandwich Islands, with temperature in the range of an average high of 8.4°C (47.1°F) and an average low of 1°C (33.8°F).

Temperature

In Grytviken, the average high-temperature is practically the same as in February - a still frosty 8.4°C (47.1°F). In Grytviken, in March, the average low-temperature is 1°C (33.8°F).

Rainfall

In Grytviken, South Georgia and the South Sandwich Islands, during March, the rain falls for 18 days and regularly aggregates up to 136mm (5.4") of precipitation. In Grytviken, during the entire year, the rain falls for 205 days and collects up to 1404mm (55.3") of precipitation.

Sea temperature

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

Daylight

In Grytviken, the average length of the day is 12.5h.

Sunshine

The average sunshine is 4.1h.

UV index

In Grytviken, the average daily maximum UV index in March is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for average individuals.
The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in March in Grytviken?

In March, in Grytviken, the average high-temperature is 8.4°C (47.1°F), and the average low-temperature is 1°C (33.8°F).

How many days does it rain in March in Grytviken?

In Grytviken, South Georgia and the South Sandwich Islands, during March, the rain falls for 18 days and regularly aggregates up to 136mm (5.4") of precipitation.

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. For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the sea temperature in March in Grytviken?

In Grytviken, in March, the average water temperature is 3°C (37.4°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

How many hours of daylight does Grytviken have in March?

In Grytviken, South Georgia and the South Sandwich Islands, the average length of the day in March is 12.5h.

How many hours of sunshine does Grytviken have in March?

In March, the average sunshine in Grytviken is 4.1h.

How high is the UV index in March in Grytviken?

In Grytviken, South Georgia and the South Sandwich Islands, the average daily maximum UV index in March is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average high temperature in March: 8.4°C

The warmest month (with the highest average high temperature) is February (9.1°C).
The month with the lowest average high temperature is June (0.9°C).

  • Average low temperature in March: 1°C

The month with the highest average low temperature is February (1.7°C).
The coldest month (with the lowest average low temperature) is August (-4.9°C).

Average rainfall in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average rainfall in March: 136mm

Wettest months (with the highest rainfall) are July and August (149mm).
The driest month (with the lowest rainfall) is October (80mm).

Average rainfall days in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average rainfall days in March: 18 days

The month with the highest number of rainy days is April (19 days).
The month with the lowest number of rainy days is August (15 days).

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

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

Average daylight in March / Average sunshine in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average daylight in March: 12.5h

The month with the longest days is December (Average daylight: 17.1h).
The month with shortest days is June (Average daylight: 7.4h).

  • Average sunshine in March: 4.1h

The month with most sunshine is November (Average sunshine: 5.8h).
The month with least sunshine is June (Average sunshine: 0.4h).

Average UV index in March - Grytviken, South Georgia and the South Sandwich Islands
  • Average UV index in March: 4

The month with the highest UV index is December (UV index 8).
Months with the lowest UV index are June and July (UV index 0).