December weather forecast
La Serena, Chile

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Weather in December

December heralds the official onset of summer in the city of La Serena. With temperatures ranging between 15°C (59°F) to 22.2°C (72°F), the city experiences the year's most consistently warm regime. The abundant daylight further contributes to the summary mood, while the sea temperature reaches a year-end high. With hardly any rainfall, the city welcomes visitors and locals to bask in the radiance of La Serena in summer. In essence, December encapsulates the joy and warmth of holiday season in this charming Chilean city.

Temperature

The commencement of December records an average high-temperature of a still agreeable 22.2°C (72°F), barely varying from November's 21.4°C (70.5°F). In La Serena, the December nights cool down to an average low of 15°C (59°F).

Humidity

The average relative humidity in December in La Serena is 64%.

Rainfall

In La Serena, rain does not fall in January, February, April, September and December.

Sea temperature

In La Serena, Chile, in December, the average water temperature is 16.7°C (62.1°F).
Note: Most people do not find swimming enjoyable in water of 16.7°C (62.1°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

With an average of 14h and 0min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 06:36 and sunset at 20:32. On the last day of December, sunrise is at 06:47 and sunset at 20:49 -03.

Sunshine

In La Serena, the average sunshine in December is 9.9h.

UV index

In December, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In December, a regular UV index of 5 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What is the average December temperature in La Serena?

The average high-temperature and low-temperature in La Serena during December are 22.2°C (72°F) and 15°C (59°F) respectively.

What is the average humidity in December in La Serena?

The average relative humidity in December in La Serena, Chile, is 64%.

What is the driest month in La Serena?

In La Serena, Chile, rain does not fall in January, February, April, September and December.

Does it rain in La Serena in December?

In December, it doesn't rain. November is the latest month when it rains.

What is the sea temperature in December in La Serena?

In La Serena, Chile, in December, the average water temperature is 16.7°C (62.1°F). Swimming in 16.7°C (62.1°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

When are the longest days in La Serena?

With an average of 14h and 0min of daylight, December has the longest days of the year.

How many hours of daylight does La Serena have in December?

The average day length in December in La Serena, Chile, is 14h and 2min.

What time are sunrise and sunset in December in La Serena?

On the first day of December in La Serena, Chile, sunrise is at 06:36 and sunset at 20:32. On the last day of the month, sunrise is at 06:47 and sunset at 20:49 -03.

How long on average sun shines in December in La Serena?

In December, the average sunshine duration in La Serena, Chile, is 9.9h.

What is the UV index intensity in December in La Serena?

In December, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.

Average temperature in December
La Serena, Chile

Average temperature in December - La Serena, Chile
  • Average high temperature in December: 22.2°C

The warmest month (with the highest average high temperature) is February (23.6°C).
The month with the lowest average high temperature is July (17.1°C).

  • Average low temperature in December: 15°C

The month with the highest average low temperature is February (16.3°C).
The coldest month (with the lowest average low temperature) is July (10.8°C).

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Average pressure in December
La Serena, Chile

Average pressure in December - La Serena, Chile
  • Average pressure in December: 1014.9mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is February (1014.2mbar).

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Average wind speed in December
La Serena, Chile

Average wind speed in December - La Serena, Chile
  • Average wind speed in December: 10.7km/h

The windiest month (with the highest average wind speed) is December (10.7km/h).
The calmest months (with the lowest average wind speed) are May and June (7.5km/h).

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Average humidity in December
La Serena, Chile

Average humidity in December - La Serena, Chile
  • Average humidity in December: 64%

The months with the highest relative humidity are January and February (66%).
The month with the lowest relative humidity is June (58%).

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Average rainfall in December
La Serena, Chile

Average rainfall in December - La Serena, Chile
  • Average rainfall in December: 0mm

The wettest month (with the highest rainfall) is June (14mm).
The driest months (with the least rainfall) are January, February, April, September and December (0mm).

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Average rainfall days in December
La Serena, Chile

Average rainfall days in December - La Serena, Chile
  • Average rainfall days in December: 0.8 days

The month with the highest number of rainy days is June (2.3 days).
The month with the least rainy days is November (0.2 days).

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Average sea temperature in December
La Serena, Chile

Average sea temperature in December - La Serena, Chile
  • Average sea temperature in December: 16.7°C

The best month for swimming (with the highest average sea temperature) is February (18.6°C).
The coldest month (with the lowest average sea temperature) is August (13.4°C).

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Average daylight in December /
Average sunshine in December
La Serena, Chile

Average daylight in December / Average sunshine in December - La Serena, Chile
  • Average daylight in December: 14h and 0min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in December: 9h and 5min

The month with the most sunshine is February (Average sunshine: 10h and 0min).
The month with the least sunshine is July (Average sunshine: 9h and 6min).

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Average sunshine days in December
La Serena, Chile

Average sunshine days in December - La Serena, Chile
  • Average sunshine days in December: 29.1 days

The month with the most sunshine days is March (30.3 days).
The month with the least sunshine days is February (27.3 days).

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Average UV index in December
La Serena, Chile

Average UV index in December - La Serena, Chile
  • Average UV index in December: 5

The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are May, June, July and September (UV index 4).

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Average cloud cover in December
La Serena, Chile

Average cloud cover in December - La Serena, Chile
  • Average cloud cover in December: 5

The month with the most cloud cover is May (Cloud cover 15).
The month with the least cloud cover is February (Cloud cover 4).

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Average visibility in December
La Serena, Chile

Average visibility in December - La Serena, 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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La Serena, Chile

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