December weather forecastErcilla, Chile

December

Weather in December

December, the first month of the summer in Ercilla, is a moderately hot month, with an average temperature varying between 24.4°C (75.9°F) and 8.6°C (47.5°F).

Temperature

In December, the average high-temperature marginally rises from a pleasant 21.1°C (70°F) in November to a moderately hot 24.4°C (75.9°F). Ercilla notes a substantial temperature decline from the daytime peaks throughout December, with an average nighttime temperature of 8.6°C (47.5°F).

Humidity

In Ercilla, the average relative humidity in December is 66%.

Rainfall

In Ercilla, in December, it is raining for 5.5 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, in Ercilla, there are 120.7 rainfall days, and 729mm (28.7") of precipitation is accumulated.

Snowfall

January through May, July, September through December are months without snowfall.

Daylight

December has the longest days of the year in Ercilla, with an average of 14h and 48min of daylight.
On the first day of the month, sunrise is at 06:20 and sunset at 20:57. On the last day of December, sunrise is at 06:30 and sunset at 21:15 -03.

Sunshine

In Ercilla, the average sunshine in December is 11h.

UV index

January, February and December, with an average maximum UV index of 5, are months with the highest UV index in Ercilla. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 5 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

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

Frequently asked questions

An average high-temperature, in December, in Ercilla, is 24.4°C (75.9°F) and the average low-temperature is 8.6°C (47.5°F). In January, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 29°C (84.2°F).

The average relative humidity in December in Ercilla is 66%.

In December, the rain falls for 5.5 days. Throughout December, 13mm (0.51") of precipitation is accumulated.

January through May, July, September through December are months without snowfall in Ercilla.

With an average of 14h and 48min of daylight, December has the longest days of the year in Ercilla.

In December, the average day length is 14h and 46min.

In December, on the first day of the month, sunrise is at 06:20 and sunset at 20:57. On the last day of the month, in Ercilla, Chile, sunrise is at 06:30 and sunset at 21:15 -03.

The average sunshine duration in December in Ercilla is 11h.

The months with the highest UV index in Ercilla, Chile, are January, February and December, with an average maximum UV index of 5.

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

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

21.1°C

24.4°C

27.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.6km/h

9.9km/h

10.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

8.5

5.5

2.8

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

19.6

23.8

27.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Ercilla, Chile

Average high temperature in December: 24.4°C

The warmest month (with the highest average high temperature) is January (27.5°C).
The month with the lowest average high temperature is July (10.6°C).

Average low temperature in December: 8.6°C

The month with the highest average low temperature is February (10.8°C).
The coldest month (with the lowest average low temperature) is July (2.5°C).

Average pressure in December
Ercilla, Chile

Average pressure in December: 1015.7mbar

The month with the highest atmospheric pressure is September (1020.1mbar).
The month with the lowest atmospheric pressure is February (1014.5mbar).

Average wind speed in December
Ercilla, Chile

Average wind speed in December: 9.2km/h

The windiest month (with the highest average wind speed) is January (10.3km/h).
The calmest month (with the lowest average wind speed) is May (7.2km/h).

Average humidity in December
Ercilla, Chile

Average humidity in December: 66%

The month with the highest relative humidity is July (89%).
The month with the lowest relative humidity is January (60%).

Average rainfall in December
Ercilla, Chile

Average rainfall in December: 13mm

The wettest month (with the highest rainfall) is June (175mm).
The driest month (with the least rainfall) is January (8mm).

Average rainfall days in December
Ercilla, Chile

Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (2.8 days).

Average snowfall days in December
Ercilla, Chile

Average snowfall days in December: 0 days

The months with the highest number of snowfall days are June and August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, July, September, October, November and December (0 days).

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

Average daylight in December: 14h and 48min

The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 36min).

Average sunshine in December: 11h and 0min

The month with the most sunshine is January (Average sunshine: 11h and 48min).
The month with the least sunshine is June (Average sunshine: 4h and 42min).

Average sunshine days in December
Ercilla, Chile

Average sunshine days in December: 23.8 days

The month with the most sunshine days is January (27.2 days).
The months with the least sunshine days are June and August (12.1 days).

Average UV index in December
Ercilla, Chile

Average UV index in December: 5

The months with the highest UV index are January, February and December (UV index 5).
The months with the lowest UV index are June and July (UV index 2).

Average cloud cover in December
Ercilla, Chile

Average cloud cover in December: 23

The month with the most cloud cover is June (Cloud cover 54).
The month with the least cloud cover is January (Cloud cover 14).

Average visibility in December
Ercilla, Chile

Average visibility in December: 9km

The months with the highest visibility are January, February, March, April and December (9km).
The months with the lowest visibility are June, July and August (7km).