December weather forecastIllapel, Chile

December

Weather in December

The first month of the summer, December, is a warm month in Illapel, Chile, with an average temperature ranging between max 23.3°C (73.9°F) and min 12.9°C (55.2°F).

Temperature

Illapel, Chile, experiences a minor change to a moderately hot 23.3°C (73.9°F) in average high-temperature during December, closely reflecting November. An average nighttime temperature of 12.9°C (55.2°F) is witnessed throughout December.

Humidity

In December, the average relative humidity is 51%.

Rainfall

The months with the least rainfall are January through April and December Rain falls for 0.8 days and accumulates 1mm (0.04") of rain.

Daylight

December has the longest days of the year in Illapel, with an average of 14h and 12min of daylight.
On the first day of the month, sunrise is at 06:31 and sunset at 20:35. On the last day of December, sunrise is at 06:42 and sunset at 20:53 -03.

Sunshine

In Illapel, the average sunshine in December is 9.9h.

UV index

January through April, November and December, with an average maximum UV index of 5, are months with the highest UV index in Illapel. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 5 during December, leads to the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Illapel in December has an average high-temperature of 23.3°C (73.9°F) and an average low-temperature of 12.9°C (55.2°F).

In December, the average relative humidity in Illapel, Chile, is 51%.

January through April and December are months with the least rain in Illapel, Chile, when the rain falls for 0.8 days and typically aggregates up to 1mm (0.04") of rain.

In December, in Illapel, the rain falls for 0.8 days. Throughout December, 1mm (0.04") of precipitation is accumulated.

With an average of 14h and 12min of daylight, December has the longest days of the year.

The average day length in December in Illapel, Chile, is 14h and 10min.

On the first day of December, sunrise is at 06:31 and sunset at 20:35. On the last day of the month, sunrise is at 06:42 and sunset at 20:53 -03.

In December, the average sunshine duration in Illapel is 9.9h.

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

In December, the average daily maximum UV index in Illapel, Chile, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

21.9°C

23.3°C

24.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.6km/h

9.9km/h

9.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

28.1

29.5

28.8

Average UV index

Average cloud cover

Average visibility

10km

Average temperature in December
Illapel, Chile

Average high temperature in December: 23.3°C

The warmest month (with the highest average high temperature) is January (24.7°C).
The month with the lowest average high temperature is July (14.5°C).

Average low temperature in December: 12.9°C

The month with the highest average low temperature is January (14.3°C).
The coldest month (with the lowest average low temperature) is July (5.7°C).

Average pressure in December
Illapel, Chile

Average pressure in December: 1015.2mbar

The month with the highest atmospheric pressure is July (1019.4mbar).
The month with the lowest atmospheric pressure is February (1014.5mbar).

Average wind speed in December
Illapel, Chile

Average wind speed in December: 8.4km/h

The windiest month (with the highest average wind speed) is January (8.5km/h).
The calmest months (with the lowest average wind speed) are April and May (6.9km/h).

Average humidity in December
Illapel, Chile

Average humidity in December: 51%

The month with the highest relative humidity is January (54%).
The month with the lowest relative humidity is April (48%).

Average rainfall in December
Illapel, Chile

Average rainfall in December: 1mm

The wettest month (with the highest rainfall) is June (48mm).
The driest months (with the least rainfall) are January, February, March, April and December (1mm).

Average rainfall days in December
Illapel, Chile

Average rainfall days in December: 0.8 days

The month with the highest number of rainy days is June (5.7 days).
The month with the least rainy days is January (0.4 days).

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

Average daylight in December: 14h and 12min

The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).

Average sunshine in December: 9h and 54min

The months with the most sunshine are January and February (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 8h and 48min).

Average sunshine days in December
Illapel, Chile

Average sunshine days in December: 29.5 days

The month with the most sunshine days is March (29.7 days).
The month with the least sunshine days is June (23.7 days).

Average UV index in December
Illapel, Chile

Average UV index in December: 5

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

Average cloud cover in December
Illapel, Chile

Average cloud cover in December: 4

The months with the most cloud cover are June and July (Cloud cover 19).
The month with the least cloud cover is February (Cloud cover 3).

Average visibility in December
Illapel, 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).