Stanley
Falkland Islands (Islas Malvinas)
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Stanley, Falkland Islands (Islas Malvinas)

Clear waters, sandy beaches, and yellow gorse in the mountainous Stanley, in the Falkland Islands
Clear waters, sandy beaches, and yellow gorse in the mountainous Stanley, in the Falkland Islands
December, the first month of the summer, in Stanley, is a moderate month, with average temperature fluctuating between 13.4°C (56.1°F) and 4.4°C (39.9°F).

Temperature

In December, the average high-temperature is essentially the same as in November - a moderate 13.4°C (56.1°F). In Stanley, the average low-temperature is 4.4°C (39.9°F).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Stanley, Falkland Islands (Islas Malvinas), during 15 rainfall days, 52mm (2") of precipitation is typically accumulated. Throughout the year, in Stanley, there are 162 rainfall days, and 543mm (21.4") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature is 8.4°C (47.1°F). Swimming in 8.4°C (47.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the longest days is December, with an average of 16.6h of daylight.

Sunshine

January, February, October through December, with an average of 6h of sunshine, are months with the most sunshine in Stanley.

UV index

January and December, with an average maximum UV index of 8, are months with the highest UV index in Stanley, Falkland Islands (Islas Malvinas). A UV Index value of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV radiation for average individuals.
In December, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 December in Stanley?

In Stanley, in December, the average high-temperature is 13.4°C (56.1°F), and the average low-temperature is 4.4°C (39.9°F).

What is the average humidity in December in Stanley?

In Stanley, the average relative humidity in December is 76%.

How much does it rain in Stanley in December?

In Stanley, Falkland Islands (Islas Malvinas), during December, the rain falls for 15 days and regularly aggregates up to 52mm (2") of precipitation.

What is the water temperature in December in Stanley?

In December, the average sea temperature in Stanley is 8.4°C (47.1°F). Swimming in 8.4°C (47.1°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

When are the longest days in Stanley?

December has the longest days of the year in Stanley, with an average of 16.6h of daylight.

How many hours of daylight does Stanley have in December?

In Stanley, Falkland Islands (Islas Malvinas), the average length of the day in December is 16.6h.

What are the months with the most sunshine in Stanley?

Months with the most sunshine are January, February, October through December, with an average of 6h of sunshine.

How many hours of sunshine does Stanley have in December?

In Stanley, the average sunshine in December is 6h.

When is the highest UV index in Stanley?

January and December, with an average maximum UV index of 8, are months with the highest UV index.

How high is the UV index in December in Stanley?

The average daily maximum UV index in December in Stanley is 8. A UV Index estimate of 8 to 10 represents a very high health threat from unprotected exposure to the UV radiation.
Average temperature in December - Stanley, Falkland Islands (Islas Malvinas)
  • Average high temperature in December: 13.4°C

The warmest month (with the highest average high temperature) is January (14.1°C).
The month with the lowest average high temperature is July (5.1°C).

  • Average low temperature in December: 4.4°C

The month with the highest average low temperature is February (5.4°C).
The coldest month (with the lowest average low temperature) is July (-1.2°C).

Average humidity in December - Stanley, Falkland Islands (Islas Malvinas)
  • Average humidity in December: 76%

The month with the highest relative humidity is July (90%).
The month with the lowest relative humidity is November (74%).

Average rainfall in December - Stanley, Falkland Islands (Islas Malvinas)
  • Average rainfall in December: 52mm

The wettest month (with the highest rainfall) is January (63mm).
The driest month (with the lowest rainfall) is September (34mm).

Average rainfall days in December - Stanley, Falkland Islands (Islas Malvinas)
  • Average rainfall days in December: 15 days

The month with the highest number of rainy days is January (17 days).
The month with the lowest number of rainy days is October (11 days).

Average sea temperature in December - Stanley, Falkland Islands (Islas Malvinas)
  • Average sea temperature in December: 8.4°C

The best month for swimming (with the highest average sea temperature) is February (9.8°C).
The coldest month (with the lowest average sea temperature) is August (4.7°C).

Average daylight in December / Average sunshine in December - Stanley, Falkland Islands (Islas Malvinas)
  • Average daylight in December: 16.6h

The month with the longest days is December (Average daylight: 16.6h).
The month with shortest days is June (Average daylight: 7.9h).

  • Average sunshine in December: 6h

Months with most sunshine are January, February, October, November and December (Average sunshine: 6h).
The month with least sunshine is June (Average sunshine: 2h).

Average UV index in December - Stanley, Falkland Islands (Islas Malvinas)
  • Average UV index in December: 8

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