Rio Gallegos
Argentina
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Rio Gallegos, Argentina

The first month of the summer, December, is still a comfortable month in Rio Gallegos, Argentina, with temperature in the range of an average high of 18.6°C (65.5°F) and an average low of 6.8°C (44.2°F).

Temperature

In Rio Gallegos, the average high-temperature in December is practically the same as in November - a still comfortable 18.6°C (65.5°F). The average low-temperature, in December, is 6.8°C (44.2°F).

Humidity

December is the least humid month in Rio Gallegos, Argentina, with an average relative humidity of 53%.

Rainfall

In Rio Gallegos, during December, the rain falls for 9 days and regularly aggregates up to 24.7mm (1") of precipitation. Throughout the year, there are 91 rainfall days, and 242.2mm (9.5") of precipitation is accumulated.

Snowfall

Throughout the year, in Rio Gallegos, there are 8.5 snowfall days.

Sea temperature

In Rio Gallegos, the average seawater temperature in December is 9.6°C (49.3°F). Swimming in 9.6°C (49.3°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.

Daylight

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

Sunshine

In Rio Gallegos, the average sunshine in December is 4h.

What is the temperature in December in Rio Gallegos?

In December, the average high-temperature is 18.6°C (65.5°F), and the average low-temperature is 6.8°C (44.2°F).

What is the least humid month in Rio Gallegos?

The least humid month is December, with an average relative humidity of 53%.

What is the average humidity in December in Rio Gallegos?

In December, the average relative humidity in Rio Gallegos is 53%.

How many days does it rain in December in Rio Gallegos?

In December, in Rio Gallegos, the rain falls for 9 days. Throughout December, 24.7mm (1") of precipitation is accumulated.

How cold is the water in December in Rio Gallegos?

In Rio Gallegos, Argentina, in December, the average water temperature is 9.6°C (49.3°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

When are the longest days in Rio Gallegos?

With an average of 16.6h of daylight, December has the longest days of the year in Rio Gallegos.

What is the average length of the day in December in Rio Gallegos?

In Rio Gallegos, the average length of the day in December is 16.6h.

How many hours of sunshine does Rio Gallegos have in December?

In December, the average sunshine is 4h.
Average temperature in December - Rio Gallegos, Argentina
  • Average high temperature in December: 18.6°C

Warmest months (with the highest average high temperature) are January and February (19.3°C).
The month with the lowest average high temperature is July (4.3°C).

  • Average low temperature in December: 6.8°C

The month with the highest average low temperature is January (7.7°C).
The coldest month (with the lowest average low temperature) is July (-2.2°C).

Average humidity in December - Rio Gallegos, Argentina
  • Average humidity in December: 53%

Months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is December (53%).

Average rainfall in December - Rio Gallegos, Argentina
  • Average rainfall in December: 24.7mm

The wettest month (with the highest rainfall) is January (33.2mm).
The driest month (with the lowest rainfall) is September (11.5mm).

Average rainfall days in December - Rio Gallegos, Argentina
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is January (11 days).
The month with the lowest number of rainy days is September (5 days).

Average snowfall days in December - Rio Gallegos, Argentina
  • Average snowfall days in December: 0 days

Months with the highest number of snowfall days are June, July and August (2 days).
Months with the lowest number of snowfall days are January, February, March, November and December (0 days).

Average sea temperature in December - Rio Gallegos, Argentina
  • Average sea temperature in December: 9.6°C

The best month for swimming (with the highest average sea temperature) is February (11.6°C).
The coldest month (with the lowest average sea temperature) is August (4.8°C).

Average daylight in December / Average sunshine in December - Rio Gallegos, Argentina
  • 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: 4h

The month with most sunshine is October (Average sunshine: 5.3h).
The month with least sunshine is July (Average sunshine: 2.7h).