Comodoro Rivadavia
Argentina
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Comodoro Rivadavia, Argentina

December, the first month of the summer, in Comodoro Rivadavia, is a moderately hot month, with average temperature ranging between max 24.2°C (75.6°F) and min 11.9°C (53.4°F).

Temperature

In Comodoro Rivadavia, the average high-temperature is essentially the same as in November - a warm 24.2°C (75.6°F). In Comodoro Rivadavia, Argentina, the average low-temperature is 11.9°C (53.4°F).

Humidity

Months with the lowest humidity in Comodoro Rivadavia are January and December, with an average relative humidity of 40%.

Rainfall

In Comodoro Rivadavia, during 5 rainfall days, 15mm (0.6") of precipitation is typically accumulated. In Comodoro Rivadavia, during the entire year, the rain falls for 61 days and collects up to 238.7mm (9.4") of precipitation.

Sea temperature

In Comodoro Rivadavia, the average seawater temperature in December is 13.9°C (57°F). Swimming in 13.9°C (57°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

The month with the longest days is December, with an average of 15.7h of daylight.

Sunshine

In Comodoro Rivadavia, the average sunshine is 7.6h.

UV index

Months with the highest UV index are January and December, with an average maximum UV index of 10. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
In December, the average maximum UV index of 10 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in December in Comodoro Rivadavia?

The average high-temperature, in December, is 24.2°C (75.6°F), while the average low-temperature is 11.9°C (53.4°F).

What are the least humid months in Comodoro Rivadavia?

Months with the lowest humidity in Comodoro Rivadavia are January and December, with an average relative humidity of 40%.

What is the average humidity in December in Comodoro Rivadavia?

In Comodoro Rivadavia, the average relative humidity in December is 40%.

How much does it rain in Comodoro Rivadavia in December?

In Comodoro Rivadavia, in December, it is raining for 5 days, with typically 15mm (0.6") of accumulated precipitation.

What is the water temperature in December in Comodoro Rivadavia?

In Comodoro Rivadavia, the average seawater temperature in December is 13.9°C (57°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 Comodoro Rivadavia?

The month with the longest days in Comodoro Rivadavia, Argentina, is December, with an average of 15.7h of daylight.

How many hours of daylight does Comodoro Rivadavia have in December?

In December, the average length of the day in Comodoro Rivadavia, Argentina, is 15.7h.

How many hours of sunshine does Comodoro Rivadavia have in December?

In December, the average sunshine in Comodoro Rivadavia, Argentina, is 7.6h.

When is the highest UV index in Comodoro Rivadavia?

January and December, with an average maximum UV index of 10, are months with the highest UV index in Comodoro Rivadavia.

How high is the UV index in December in Comodoro Rivadavia?

In December, the average daily maximum UV index in Comodoro Rivadavia is 10. A UV Index value of 8 to 10 symbolizes a very high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in December - Comodoro Rivadavia, Argentina
  • Average high temperature in December: 24.2°C

The warmest month (with the highest average high temperature) is January (25.6°C).
The month with the lowest average high temperature is July (10.5°C).

  • Average low temperature in December: 11.9°C

The month with the highest average low temperature is January (13.2°C).
The coldest month (with the lowest average low temperature) is July (2.8°C).

Average humidity in December - Comodoro Rivadavia, Argentina
  • Average humidity in December: 40%

The month with the highest relative humidity is June (61%).
Months with the lowest relative humidity are January and December (40%).

Average rainfall in December - Comodoro Rivadavia, Argentina
  • Average rainfall in December: 15mm

The wettest month (with the highest rainfall) is May (31.7mm).
The driest month (with the lowest rainfall) is November (10.6mm).

Average rainfall days in December - Comodoro Rivadavia, Argentina
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is May (7 days).
Months with the lowest number of rainy days are January, February, March and November (4 days).

Average sea temperature in December - Comodoro Rivadavia, Argentina
  • Average sea temperature in December: 13.9°C

The best month for swimming (with the highest average sea temperature) is February (16.8°C).
The coldest month (with the lowest average sea temperature) is August (7.9°C).

Average daylight in December / Average sunshine in December - Comodoro Rivadavia, Argentina
  • Average daylight in December: 15.7h

The month with the longest days is December (Average daylight: 15.7h).
The month with shortest days is June (Average daylight: 8.7h).

  • Average sunshine in December: 7.6h

Months with most sunshine are January, February and November (Average sunshine: 7.8h).
The month with least sunshine is July (Average sunshine: 3.7h).

Average UV index in December - Comodoro Rivadavia, Argentina
  • Average UV index in December: 10

Months with the highest UV index are January and December (UV index 10).
Months with the lowest UV index are May, June and July (UV index 1).