December weather forecastEl Monte, Chile

December

Weather in December

The first month of the summer, December, is also a moderately hot month in El Monte, Chile, with an average temperature varying between 28.9°C (84°F) and 12.2°C (54°F).

Temperature

El Monte, Chile, experiences a recorded average high-temperature of a still warm 28.9°C (84°F) in December, closely aligned with November's 26.8°C (80.2°F). Nightly average temperatures in December reveal a significant dip from daytime highs, registering a consistent a cool 12.2°C (54°F).

Heat index

December's average heat index is appraised at 29°C (84.2°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In El Monte, the average relative humidity in December is 48%.

Rainfall

In El Monte, Chile, during December, the rain falls for 2.1 days and regularly aggregates up to 6mm (0.24") of precipitation. In El Monte, during the entire year, the rain falls for 54 days and collects up to 284mm (11.18") of precipitation.

Daylight

December has the longest days of the year, with an average of 14h and 18min of daylight.
On the first day of December in El Monte, Chile, sunrise is at 06:26 and sunset at 20:40. On the last day of the month, sunrise is at 06:36 and sunset at 20:57 -03.

Sunshine

In December, the average sunshine is 9.8h.

UV index

January, February and December, with an average maximum UV index of 6, are months with the highest UV index in El Monte. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 6 suggests this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

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

Frequently asked questions

The high-temperature in El Monte during December is 28.9°C (84°F) and the low-temperature is 12.2°C (54°F). In December, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 29°C (84.2°F).

In El Monte, Chile, the average relative humidity in December is 48%.

In El Monte, in December, it is raining for 2.1 days, with typically 6mm (0.24") of accumulated precipitation.

The month with the longest days in El Monte is December, with an average of 14h and 18min of daylight.

The average day length in December in El Monte, Chile, is 14h and 21min.

On the first day of December, sunrise is at 06:26 and sunset at 20:40. On the last day of the month, sunrise is at 06:36 and sunset at 20:57 -03.

In El Monte, Chile, the average sunshine duration in December is 9.8h.

January, February and December, with an average maximum UV index of 6, are months with the highest UV index in El Monte, Chile.

The average daily maximum UV index in December in El Monte, Chile, is 6. A UV Index estimate of 6 to 7 represents a high 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

26.8°C

28.9°C

30.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.6km/h

9.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

28.2

28.7

Average UV index

Average cloud cover

12%

Average visibility

10km

Average temperature in December
El Monte, Chile

Average high temperature in December: 28.9°C

The warmest month (with the highest average high temperature) is January (30.7°C).
The month with the lowest average high temperature is July (15°C).

Average low temperature in December: 12.2°C

The month with the highest average low temperature is January (13.9°C).
The coldest month (with the lowest average low temperature) is July (5°C).

Average pressure in December
El Monte, Chile

Average pressure in December: 1015.2mbar

The month with the highest atmospheric pressure is July (1019.7mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).

Average wind speed in December
El Monte, Chile

Average wind speed in December: 7.4km/h

The windiest month (with the highest average wind speed) is January (7.6km/h).
The calmest months (with the lowest average wind speed) are May and August (5.5km/h).

Average humidity in December
El Monte, Chile

Average humidity in December: 48%

The months with the highest relative humidity are July and August (64%).
The month with the lowest relative humidity is March (46%).

Average rainfall in December
El Monte, Chile

Average rainfall in December: 6mm

The wettest month (with the highest rainfall) is June (84mm).
The driest months (with the least rainfall) are February and March (1mm).

Average rainfall days in December
El Monte, Chile

Average rainfall days in December: 2.1 days

The month with the highest number of rainy days is June (7.8 days).
The month with the least rainy days is February (1.2 days).

Average daylight in December /
Average sunshine in December
El Monte, Chile

Average daylight in December: 14h and 18min

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

Average sunshine in December: 9h and 48min

The months with the most sunshine are January and February (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 7h and 54min).

Average sunshine days in December
El Monte, Chile

Average sunshine days in December: 28.2 days

The month with the most sunshine days is March (29.1 days).
The month with the least sunshine days is June (20.8 days).

Average UV index in December
El Monte, Chile

Average UV index in December: 6

The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are June and July (UV index 3).

Average cloud cover in December
El Monte, Chile

Average cloud cover in December: 7

The month with the most cloud cover is June (Cloud cover 30).
The month with the least cloud cover is February (Cloud cover 5).

Average visibility in December
El Monte, 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).