December weather forecastCaldera, Chile

December

Weather in December

The first month of the summer, December, is still a refreshing month in Caldera, Chile, with temperature in the range of an average low of 15.4°C (59.7°F) and an average high of 19.5°C (67.1°F).

Temperature

In the transition from November to December, Caldera reports an average high-temperature of a still refreshing 19.5°C (67.1°F), indicating a close resemblance to the prior month. December introduces a small decrease to a nighttime average of 15.4°C (59.7°F) in Caldera.

Humidity

In December, the average relative humidity is 77%.

Rainfall

January, February, April, September through December are months without rainfall in Caldera.

Daylight

The month with the longest days is December, with an average of 13h and 48min of daylight.
On the first day of the month, sunrise is at 06:40 and sunset at 20:24. On the last day of December, in Caldera, sunrise is at 06:52 and sunset at 20:41 -03.

Sunshine

The average sunshine in December is 9.8h.

UV index

The months with the highest UV index are January through May, August through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the UV index of 5 transforms into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Enhance your sun protection with tightly woven, yet airy clothing.

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

Frequently asked questions

The high-temperature, in December, in Caldera, records 19.5°C (67.1°F), while the low-temperature is 15.4°C (59.7°F).

The average relative humidity in December in Caldera, Chile, is 77%.

In Caldera, rain does not fall in January, February, April, September through December.

The month with the longest days in Caldera is December, with an average of 13h and 48min of daylight.

In December, the average day length in Caldera is 13h and 49min.

In December, on the first day of the month, sunrise is at 06:40 and sunset at 20:24. On the last day of the month, in Caldera, Chile, sunrise is at 06:52 and sunset at 20:41 -03.

The average sunshine duration in December in Caldera is 9.8h.

January through May, August through December, with an average maximum UV index of 5, are months with the highest UV index.

In Caldera, Chile, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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

18.8°C

19.5°C

21.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.6km/h

13.1km/h

12.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

29.5

30.6

29.5

Average UV index

Average cloud cover

10%

11%

Average visibility

10km

Average temperature in December
Caldera, Chile

Average high temperature in December: 19.5°C

The warmest month (with the highest average high temperature) is February (22.3°C).
The month with the lowest average high temperature is July (16.4°C).

Average low temperature in December: 15.4°C

The month with the highest average low temperature is February (17.1°C).
The coldest month (with the lowest average low temperature) is July (11.8°C).

Average pressure in December
Caldera, Chile

Average pressure in December: 1014.7mbar

The month with the highest atmospheric pressure is July (1018.2mbar).
The month with the lowest atmospheric pressure is February (1013.8mbar).

Average wind speed in December
Caldera, Chile

Average wind speed in December: 12.1km/h

The windiest month (with the highest average wind speed) is September (13.4km/h).
The calmest month (with the lowest average wind speed) is May (10.7km/h).

Average humidity in December
Caldera, Chile

Average humidity in December: 77%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is June (71%).

Average rainfall in December
Caldera, Chile

Average rainfall in December: 0mm

The wettest month (with the highest rainfall) is May (5mm).
The driest months (with the least rainfall) are January, February, April, September, October, November and December (0mm).

Average rainfall days in December
Caldera, Chile

Average rainfall days in December: 0.6 days

The month with the highest number of rainy days is March (2.5 days).
The month with the least rainy days is October (0.2 days).

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

Average daylight in December: 13h and 48min

The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).

Average sunshine in December: 9h and 48min

The months with the most sunshine are January and November (Average sunshine: 9h and 54min).
The months with the least sunshine are May and June (Average sunshine: 9h and 24min).

Average sunshine days in December
Caldera, Chile

Average sunshine days in December: 30.6 days

The months with the most sunshine days are October and December (30.6 days).
The month with the least sunshine days is February (27 days).

Average UV index in December
Caldera, Chile

Average UV index in December: 5

The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 5).
The months with the lowest UV index are June and July (UV index 4).

Average cloud cover in December
Caldera, Chile

Average cloud cover in December: 10

The month with the most cloud cover is February (Cloud cover 14).
The month with the least cloud cover is November (Cloud cover 7).

Average visibility in December
Caldera, 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).