December weather forecast
Belén, Chile

December

Weather in December

The first month of the summer, December, is still a cool month in Belén, Chile, with an average temperature ranging between max 11.7°C (53.1°F) and min 5.6°C (42.1°F).

Temperature

As December takes hold, the average high-temperature is a still cool 11.7°C (53.1°F), nearly mirroring that of the previous month. In December, the average low-temperature is a cold 5.6°C (42.1°F).

Humidity

The average relative humidity in December is 60%.

Rainfall

In Belén, in December, it is raining for 15.5 days, with typically 64mm (2.52") of accumulated precipitation. In Belén, during the entire year, the rain falls for 119.8 days and collects up to 556mm (21.89") of precipitation.

Snowfall

January through December are months with snowfall. In December, it is snowing for 1.7 days. Throughout December, 68mm (2.68") of snow is accumulated. Throughout the year, in Belén, there are 16.8 snowfall days, and 629mm (24.76") of snow is accumulated.

Daylight

The month with the longest days is December, with an average of 13h and 12min of daylight.
On the first day of December, sunrise is at 06:52 and sunset at 20:02. On the last day of the month, sunrise is at 07:04 and sunset at 20:18 -03.

Sunshine

The average sunshine in December is 9h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 3. The months with the lowest UV index are January through December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, a regular UV index of 3 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in December?
The high-temperature, in December, in Belén, is 11.7°C (53.1°F), while the low-temperature averages to 5.6°C (42.1°F).
What is the average humidity in December?
In Belén, the average relative humidity in December is 60%.
How much does it rain in December?
In Belén, during December, the rain falls for 15.5 days and regularly aggregates up to 64mm (2.52") of precipitation.
How many days does it snow in December?
In Belén, in December, snow falls for 1.7 days, with typically accumulated 68mm (2.68") of snow.
When are the longest days?
The month with the longest days is December, with an average of 13h and 12min of daylight.
What is the average length of the day in December?
In December, the average day length is 13h and 13min.
When is the sunrise / sunset in December?
On the first day of December, sunrise is at 06:52 and sunset at 20:02. On the last day of the month, sunrise is at 07:04 and sunset at 20:18 -03.
How many hours of sunshine does Belén have in December?
In December, the average sunshine duration in Belén is 9h.
When is the highest UV index?
The months with the highest UV index are January through December, with an average maximum UV index of 3.
When is the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 3.
What is the UV index intensity in December?
In Belén, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Belén, Chile
  • Average high temperature in December: 11.7°C

The warmest months (with the highest average high temperature) are October and November (12.6°C).
The month with the lowest average high temperature is July (9.9°C).

  • Average low temperature in December: 5.6°C

The month with the highest average low temperature is February (6°C).
The coldest month (with the lowest average low temperature) is July (1.1°C).

Average pressure in December
Belén, Chile
  • Average pressure in December: 1013.9mbar

The months with the highest atmospheric pressure are June and July (1018.4mbar).
The month with the lowest atmospheric pressure is December (1013.9mbar).

Average wind speed in December
Belén, Chile
  • Average wind speed in December: 9.7km/h

The windiest month (with the highest average wind speed) is December (9.7km/h).
The calmest month (with the lowest average wind speed) is June (7.2km/h).

Average humidity in December
Belén, Chile
  • Average humidity in December: 60%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (36%).

Average rainfall in December
Belén, Chile
  • Average rainfall in December: 64mm

The wettest month (with the highest rainfall) is January (167mm).
The driest months (with the least rainfall) are June and August (3mm).

Average rainfall days in December
Belén, Chile
  • Average rainfall days in December: 15.5 days

The month with the highest number of rainy days is February (22.8 days).
The month with the least rainy days is August (1.4 days).

Average snowfall in December
Belén, Chile
  • Average snowfall in December: 68mm

The month with the highest snowfall is January (220mm).
The months with the least snowfall are May and June (1mm).

Average snowfall days in December
Belén, Chile
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May and June (0.3 days).

Average daylight in December /
Average sunshine in December
Belén, Chile
  • Average daylight in December: 13h and 1min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in December: 9h and 0min

The months with the most sunshine are May, June, July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 7h and 36min).

Average sunshine days in December
Belén, Chile
  • Average sunshine days in December: 13 days

The month with the most sunshine days is August (27.6 days).
The month with the least sunshine days is February (3.8 days).

Average UV index in December
Belén, Chile
  • Average UV index in December: 3

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

Average cloud cover in December
Belén, Chile
  • Average cloud cover in December: 23

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 3).

Average visibility in December
Belén, Chile
  • Average visibility in December: 10km

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

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