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

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

July, like June, in Grytviken, South Georgia and the South Sandwich Islands, is a wintry winter month, with average temperature varying between -4.7°C (23.5°F) and 1.2°C (34.2°F).

Temperature

In July, the average high-temperature is practically the same as in June - a still wintry 1.2°C (34.2°F). In July, in Grytviken, the average low-temperature is -4.7°C (23.5°F).

Rainfall

The wettest months in Grytviken are July and August, with an average 149mm (5.9") of rainfall.

Sea temperature

In July, the average sea temperature is 1°C (33.8°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.

Daylight

In July, the average length of the day in Grytviken is 7.9h.

Sunshine

The average sunshine in July is 0.7h.

UV index

Months with the lowest UV index are June and July, with an average maximum UV index of 0. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to the UV radiation for the average person.
The average daily UV index of 0 in July transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in July in Grytviken?

In Grytviken, in July, the average high-temperature is 1.2°C (34.2°F), and the average low-temperature is -4.7°C (23.5°F).

How much does it rain in Grytviken in July?

In Grytviken, in July, during 17 rainfall days, 149mm (5.9") of precipitation is typically accumulated.

What is the rainiest month in Grytviken?

The wettest months are July and August, with an average 149mm (5.9") of rainfall.

How cold is the water in July in Grytviken?

In Grytviken, in July, the average water temperature is 1°C (33.8°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.

How many hours of daylight does Grytviken have in July?

In July, the average length of the day in Grytviken is 7.9h.

How many hours of sunshine does Grytviken have in July?

In Grytviken, the average sunshine in July is 0.7h.

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

June and July, with an average maximum UV index of 0, are months with the lowest UV index.

What is the UV index reading in July in Grytviken?

In July, the average daily maximum UV index is 0. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in July - Grytviken, South Georgia and the South Sandwich Islands
  • Average high temperature in July: 1.2°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 July: -4.7°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 July - Grytviken, South Georgia and the South Sandwich Islands
  • Average rainfall in July: 149mm

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 July - Grytviken, South Georgia and the South Sandwich Islands
  • Average rainfall days in July: 17 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 July - Grytviken, South Georgia and the South Sandwich Islands
  • Average sea temperature in July: 1°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 July / Average sunshine in July - Grytviken, South Georgia and the South Sandwich Islands
  • Average daylight in July: 7.9h

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 July: 0.7h

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 July - Grytviken, South Georgia and the South Sandwich Islands
  • Average UV index in July: 0

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).