December weather forecast
Concepción, Chile

The main entrance into the University of Concepción in Chile
The main entrance into the University of Concepción in Chile

Weather in December

The first month of the summer, December, is a pleasant month in Concepción, Chile, with an average temperature varying between 11.8°C (53.2°F) and 20.1°C (68.2°F).

Temperature

In Concepción, the average high-temperature in December is almost the same as in November - a pleasant 20.1°C (68.2°F). The average low-temperature, in Concepción, is 11.8°C (53.2°F).

Humidity

The average relative humidity in December is 72%.

Rainfall

In Concepción, in December, during 4.1 rainfall days, 8mm (0.31") of precipitation is typically accumulated. In Concepción, during the entire year, the rain falls for 99.3 days and collects up to 574mm (22.6") of precipitation.

Sea temperature

In Concepción, the average seawater temperature in December is 14.3°C (57.7°F).
Note: Swimming in 14.3°C (57.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

December has the longest days of the year in Concepción, with an average of 14h and 38min of daylight.
On the first day of the month, sunrise is at 06:26 and sunset at 20:55. On the last day of December, in Concepción, sunrise is at 06:35 and sunset at 21:14 -03.

Sunshine

In December, the average sunshine in Concepción is 11.2h.

UV index

January through March, November and December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in December interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. 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 temperature in December in Concepción?

The average high-temperature, in December, in Concepción, is 20.1°C (68.2°F), while the average low-temperature is 11.8°C (53.2°F).

What is the average humidity in December in Concepción?

The average relative humidity in December in Concepción, Chile, is 72%.

How many days does it rain in December in Concepción?

In Concepción, in December, it is raining for 4.1 days, with typically 8mm (0.31") of accumulated precipitation.

How cold is the water in December in Concepción?

In Concepción, Chile, the average seawater temperature in December is 14.3°C (57.7°F). Swimming in 14.3°C (57.7°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 Concepción?

December has the longest days of the year, with an average of 14h and 38min of daylight.

What is the average length of the day in December in Concepción?

In Concepción, Chile, the average day length in December is 14h and 38min.

When are sunrise and sunset in December in Concepción?

In December, on the first day of the month, sunrise is at 06:26 and sunset at 20:55. On the last day of the month, in Concepción, sunrise is at 06:35 and sunset at 21:14 -03.

How long on average sun shines in December in Concepción?

The average sunshine duration in December in Concepción is 11.2h.

When is the highest UV index in Concepción?

The months with the highest UV index in Concepción, Chile, are January through March, November and December, with an average maximum UV index of 5.

What is the UV index intensity in December in Concepción?

In December, the average daily maximum UV index in Concepción is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.

Average temperature in December
Concepción, Chile

Average temperature in December - Concepción, Chile
  • Average high temperature in December: 20.1°C

The warmest month (with the highest average high temperature) is January (22.4°C).
The month with the lowest average high temperature is July (12.1°C).

  • Average low temperature in December: 11.8°C

The month with the highest average low temperature is January (13.5°C).
The coldest month (with the lowest average low temperature) is July (7.4°C).

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Average pressure in December
Concepción, Chile

Average pressure in December - Concepción, Chile
  • Average pressure in December: 1015.7mbar

The months with the highest atmospheric pressure are July and September (1019.9mbar).
The month with the lowest atmospheric pressure is February (1014.3mbar).

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Average wind speed in December
Concepción, Chile

Average wind speed in December - Concepción, Chile
  • Average wind speed in December: 14.7km/h

The windiest month (with the highest average wind speed) is January (15.1km/h).
The calmest month (with the lowest average wind speed) is May (11.9km/h).

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Average humidity in December
Concepción, Chile

Average humidity in December - Concepción, Chile
  • Average humidity in December: 72%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is January (69%).

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Average rainfall in December
Concepción, Chile

Average rainfall in December - Concepción, Chile
  • Average rainfall in December: 8mm

The wettest month (with the highest rainfall) is June (156mm).
The driest month (with the least rainfall) is January (4mm).

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Average rainfall days in December
Concepción, Chile

Average rainfall days in December - Concepción, Chile
  • Average rainfall days in December: 4.1 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (2.6 days).

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Average sea temperature in December
Concepción, Chile

Average sea temperature in December - Concepción, Chile
  • Average sea temperature in December: 14.3°C

The best month for swimming (with the highest average sea temperature) is March (15°C).
The coldest month (with the lowest average sea temperature) is August (11.9°C).

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

Average daylight in December / Average sunshine in December - Concepción, Chile
  • Average daylight in December: 14h and 38min

The month with the longest days is December (Average daylight: 14h and 38min).
The month with the shortest days is June (Average daylight: 9h and 41min).

  • Average sunshine in December: 11h and 12min

The month with the most sunshine is January (Average sunshine: 11h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 30min).

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Average sunshine days in December
Concepción, Chile

Average sunshine days in December - Concepción, Chile
  • Average sunshine days in December: 26 days

The month with the most sunshine days is January (27.9 days).
The month with the least sunshine days is July (13.4 days).

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Average UV index in December
Concepción, Chile

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

The months with the highest UV index are January, February, March, November and December (UV index 5).
The months with the lowest UV index are June, July and August (UV index 3).

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Average cloud cover in December
Concepción, Chile

Average cloud cover in December - Concepción, Chile
  • Average cloud cover in December: 15

The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 10).

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Average visibility in December
Concepción, Chile

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

The months with the highest visibility are January, February, March, April, June, October, November and December (10km).
The months with the lowest visibility are May, July, August and September (9km).

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