December weather forecast
Antofagasta, Chile

Weather in December

The first month of the summer, December, is still a pleasant month in Antofagasta, Chile, with an average temperature ranging between max 21.2°C (70.2°F) and min 16.7°C (62.1°F).

Temperature

In Antofagasta, Chile, the average high-temperature in December is almost the same as in November - a still agreeable 21.2°C (70.2°F). In December, the average low-temperature is 16.7°C (62.1°F).

Humidity

In Antofagasta, Chile, the average relative humidity in December is 73%.

Rainfall

January through May, September through December are months without rainfall in Antofagasta.

Sea temperature

In Antofagasta, the average seawater temperature in December is 19.3°C (66.7°F).
Note: Swimming in 19.3°C (66.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

With an average of 13h and 34min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 06:46 and sunset at 20:15. On the last day of the month, sunrise is at 06:57 and sunset at 20:31 -03.

Sunshine

The months with the most sunshine in Antofagasta are February, September through December, with an average of 10h of sunshine.

UV index

March through December, with an average maximum UV index of 5, are months with the lowest UV index in Antofagasta. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 5 in December interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the 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.
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FAQ

What is the average humidity in December in Antofagasta?

In December, the average relative humidity in Antofagasta is 73%.

What is the driest month in Antofagasta?

In Antofagasta, Chile, rain does not fall in January through May, September through December.

What is the sea temperature in December in Antofagasta?

In Antofagasta, Chile, in December, the average water temperature is 19.3°C (66.7°F). For swimming, a surface water temperature of 19.3°C (66.7°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

When are the longest days in Antofagasta?

With an average of 13h and 34min of daylight, December has the longest days of the year.

How many hours of daylight does Antofagasta have in December?

The average day length in December in Antofagasta, Chile, is 13h and 34min.

What time are sunrise and sunset in December in Antofagasta?

On the first day of December in Antofagasta, Chile, sunrise is at 06:46 and sunset at 20:15. On the last day of the month, sunrise is at 06:57 and sunset at 20:31 -03.

What is the month with the most sunshine in Antofagasta?

February, September through December, with an average of 10h of sunshine, are months with the most sunshine.

How long on average sun shines in December in Antofagasta?

In December, the average sunshine duration in Antofagasta is 10h.

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

The months with the lowest UV index in Antofagasta are March through December, with an average maximum UV index of 5.

What is the UV index reading in December in Antofagasta?

In December, the average daily maximum UV index in Antofagasta is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.

Average temperature in December
Antofagasta, Chile

Average temperature in December - Antofagasta, Chile
  • Average high temperature in December: 21.2°C

The warmest month (with the highest average high temperature) is February (23.7°C).
The month with the lowest average high temperature is July (18.3°C).

  • Average low temperature in December: 16.7°C

The month with the highest average low temperature is February (18.8°C).
The coldest month (with the lowest average low temperature) is August (12.6°C).

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Average pressure in December
Antofagasta, Chile

Average pressure in December - Antofagasta, Chile
  • Average pressure in December: 1012.9mbar

The month with the highest atmospheric pressure is July (1015.5mbar).
The month with the lowest atmospheric pressure is February (1012mbar).

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Average wind speed in December
Antofagasta, Chile

Average wind speed in December - Antofagasta, Chile
  • Average wind speed in December: 12.8km/h

The windiest month (with the highest average wind speed) is December (12.8km/h).
The calmest months (with the lowest average wind speed) are May and June (10.9km/h).

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Average humidity in December
Antofagasta, Chile

Average humidity in December - Antofagasta, Chile
  • Average humidity in December: 73%

The months with the highest relative humidity are February, March and April (75%).
The months with the lowest relative humidity are June and July (67%).

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Average rainfall in December
Antofagasta, Chile

Average rainfall in December - Antofagasta, Chile
  • Average rainfall in December: 0mm

The wettest months (with the highest rainfall) are June, July and August (1mm).
The driest months (with the least rainfall) are January, February, March, April, May, September, October, November and December (0mm).

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Average rainfall days in December
Antofagasta, Chile

Average rainfall days in December - Antofagasta, Chile
  • Average rainfall days in December: 0.2 days

The month with the highest number of rainy days is July (1.6 days).
The month with the least rainy days is November (0 days).

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Average sea temperature in December
Antofagasta, Chile

Average sea temperature in December - Antofagasta, Chile
  • Average sea temperature in December: 19.3°C

The best month for swimming (with the highest average sea temperature) is February (20.8°C).
The coldest month (with the lowest average sea temperature) is August (14.6°C).

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Average daylight in December /
Average sunshine in December
Antofagasta, Chile

Average daylight in December / Average sunshine in December - Antofagasta, Chile
  • Average daylight in December: 13h and 34min

The month with the longest days is December (Average daylight: 13h and 34min).
The month with the shortest days is June (Average daylight: 10h and 42min).

  • Average sunshine in December: 10h and 0min

The months with the most sunshine are February, September, October, November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is July (Average sunshine: 9h and 48min).

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Average sunshine days in December
Antofagasta, Chile

Average sunshine days in December - Antofagasta, Chile
  • Average sunshine days in December: 30.9 days

The month with the most sunshine days is October (31 days).
The month with the least sunshine days is February (27.2 days).

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Average UV index in December
Antofagasta, Chile

Average UV index in December - Antofagasta, Chile
  • Average UV index in December: 5

The months with the highest UV index are January and February (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 5).

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Average cloud cover in December
Antofagasta, Chile

Average cloud cover in December - Antofagasta, Chile
  • Average cloud cover in December: 6

The month with the most cloud cover is February (Cloud cover 11).
The month with the least cloud cover is September (Cloud cover 2).

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Average visibility in December
Antofagasta, Chile

Average visibility in December - Antofagasta, Chile
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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