December weather forecast
Puerto Chacabuco, Chile

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Weather in December

December, the first month of the summer in Puerto Chacabuco, is still a cool month, with an average temperature varying between 5.1°C (41.2°F) and 11.9°C (53.4°F).

Temperature

In Puerto Chacabuco, December's average high-temperature stands at a still cool 11.9°C (53.4°F), closely related to the preceding month. The nighttime temperature, during December, averages of 5.1°C (41.2°F).

Humidity

The average relative humidity in December is 88%.

Rainfall

In December, the rain falls for 25.1 days. Throughout December, 256mm (10.08") of precipitation is accumulated. Throughout the year, there are 281.3 rainfall days, and 3080mm (121.26") of precipitation is accumulated.

Snowfall

In Puerto Chacabuco, snow does not fall in January through May and December.

Sea temperature

In Puerto Chacabuco, the average seawater temperature in December is 12.3°C (54.1°F).
Note: While a brief time in 12.3°C (54.1°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.

Daylight

With an average of 15h and 36min of daylight, December has the longest days of the year.
On the first day of December in Puerto Chacabuco, Chile, sunrise is at 05:58 and sunset at 21:23. On the last day of the month, sunrise is at 06:06 and sunset at 21:42 -03.

Sunshine

January and December, with an average of 5h of sunshine, are months with the most sunshine.

UV index

January, February and December, with an average maximum UV index of 3, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 3 during December, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What is the average December temperature?

In December, in Puerto Chacabuco, the average high-temperature is 11.9°C (53.4°F), and the average low-temperature is 5.1°C (41.2°F).

What is the average humidity in December?

The average relative humidity in December is 88%.

How many days does it rain in December?

In December, the rain falls for 25.1 days. Throughout December, 256mm (10.08") of precipitation is accumulated.

When it does not snow?

January through May and December are months without snowfall.

Does it snow in Puerto Chacabuco in December?

In December, it doesn't snow. November is the latest month when it typically snows.

What is the sea water temperature in December?

In Puerto Chacabuco, in December, the average water temperature is 12.3°C (54.1°F). Swimming in 12.3°C (54.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

When are the longest days?

The month with the longest days is December, with an average of 15h and 36min of daylight.

What is the average length of the day in December?

In December, the average day length in Puerto Chacabuco is 15h and 37min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 05:58 and sunset at 21:23. On the last day of the month, sunrise is at 06:06 and sunset at 21:42 -03.

What is the month with the most sunshine?

The months with the most sunshine in Puerto Chacabuco are January and December, with an average of 5h of sunshine.

How many hours of sunshine does Puerto Chacabuco have in December?

In December, the average sunshine duration is 5h.

What is the month with the highest UV index?

The months with the highest UV index are January, February and December, with an average maximum UV index of 3.

How high is the UV index in December?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Puerto Chacabuco, Chile

Average temperature in December - Puerto Chacabuco, Chile
  • Average high temperature in December: 11.9°C

The warmest month (with the highest average high temperature) is February (14°C).
The month with the lowest average high temperature is July (3.7°C).

  • Average low temperature in December: 5.1°C

The month with the highest average low temperature is January (5.8°C).
The coldest month (with the lowest average low temperature) is July (-0.8°C).

Average pressure in December
Puerto Chacabuco, Chile

Average pressure in December - Puerto Chacabuco, Chile
  • Average pressure in December: 1012mbar

The month with the highest atmospheric pressure is September (1016mbar).
The month with the lowest atmospheric pressure is June (1011.9mbar).

Average wind speed in December
Puerto Chacabuco, Chile

Average wind speed in December - Puerto Chacabuco, Chile
  • Average wind speed in December: 10km/h

The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest month (with the lowest average wind speed) is September (8.6km/h).

Average humidity in December
Puerto Chacabuco, Chile

Average humidity in December - Puerto Chacabuco, Chile
  • Average humidity in December: 88%

The month with the highest relative humidity is July (94%).
The month with the lowest relative humidity is January (87%).

Average rainfall in December
Puerto Chacabuco, Chile

Average rainfall in December - Puerto Chacabuco, Chile
  • Average rainfall in December: 256mm

The wettest month (with the highest rainfall) is June (372mm).
The driest month (with the least rainfall) is February (163mm).

Average rainfall days in December
Puerto Chacabuco, Chile

Average rainfall days in December - Puerto Chacabuco, Chile
  • Average rainfall days in December: 25.1 days

The months with the highest number of rainy days are August and December (25.1 days).
The month with the least rainy days is February (19.6 days).

Average snowfall in December
Puerto Chacabuco, Chile

Average snowfall in December - Puerto Chacabuco, Chile
  • Average snowfall in December: 0mm

The month with the highest snowfall is August (65mm).
The months with the least snowfall are January, February, March, April, May and December (0mm).

Average snowfall days in December
Puerto Chacabuco, Chile

Average snowfall days in December - Puerto Chacabuco, Chile
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is July (3 days).
The months with the least snowfall days are January, February, March, April, May and December (0 days).

Average sea temperature in December
Puerto Chacabuco, Chile

Average sea temperature in December - Puerto Chacabuco, Chile
  • Average sea temperature in December: 12.3°C

The best month for swimming (with the highest average sea temperature) is February (13.3°C).
The coldest months (with the lowest average sea temperature) are July, August and September (9.1°C).

Average daylight in December /
Average sunshine in December
Puerto Chacabuco, Chile

Average daylight in December / Average sunshine in December - Puerto Chacabuco, Chile
  • Average daylight in December: 15h and 4min

The month with the longest days is December (Average daylight: 15h and 36min).
The month with the shortest days is June (Average daylight: 8h and 48min).

  • Average sunshine in December: 5h and 0min

The months with the most sunshine are January and December (Average sunshine: 5h and 0min).
The month with the least sunshine is July (Average sunshine: 2h and 18min).

Average sunshine days in December
Puerto Chacabuco, Chile

Average sunshine days in December - Puerto Chacabuco, Chile
  • Average sunshine days in December: 4.5 days

The month with the most sunshine days is February (7 days).
The month with the least sunshine days is November (4.1 days).

Average UV index in December
Puerto Chacabuco, Chile

Average UV index in December - Puerto Chacabuco, Chile
  • Average UV index in December: 3

The months with the highest UV index are January, February and December (UV index 3).
The months with the lowest UV index are May, June, July and September (UV index 1).

Average cloud cover in December
Puerto Chacabuco, Chile

Average cloud cover in December - Puerto Chacabuco, Chile
  • Average cloud cover in December: 76

The months with the most cloud cover are August and November (Cloud cover 77).
The month with the least cloud cover is February (Cloud cover 70).

Average visibility in December
Puerto Chacabuco, Chile

Average visibility in December - Puerto Chacabuco, Chile
  • Average visibility in December: 7km

The months with the highest visibility are January, February, April, May, June, October, November and December (7km).
The months with the lowest visibility are March, July, August and September (6km).

Puerto Chacabuco, Chile

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