December weather forecastIsla de Maipo, Chile

December

Weather in December

December, the first month of the summer in Isla de Maipo, is also a moderately hot month, with an average temperature ranging between max 28.9°C (84°F) and min 12.2°C (54°F).

Temperature

December's arrival registers an average high-temperature of a still warm 28.9°C (84°F), closely aligning with the temperature of the previous month. Isla de Maipo reports a substantial plunge from daytime highs during the nights of December, with an average low-temperature of 12.2°C (54°F).

Heat index

The heat index in December is evaluated at 29°C (84.2°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

The average relative humidity in December is 48%.

Rainfall

In Isla de Maipo, in December, it is raining for 2.1 days, with typically 6mm (0.24") of accumulated precipitation. In Isla de Maipo, 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 in Isla de Maipo, with an average of 14h and 24min of daylight.
On the first day of the month, sunrise is at 06:25 and sunset at 20:39. On the last day of December, sunrise is at 06:36 and sunset at 20:57 -03.

Sunshine

In December, the average sunshine in Isla de Maipo is 9.8h.

UV index

The months with the highest UV index are January, February and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 6 during December morphs into the following directions:
Deflect overexposure. Sun protection is a necessity. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Updated: Jun 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 28.9°C (84°F) and the low-temperature is 12.2°C (54°F). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in December is evaluated at 29°C (84.2°F).

In Isla de Maipo, the average relative humidity in December is 48%.

In Isla de Maipo, in December, during 2.1 rainfall days, 6mm (0.24") of precipitation is typically accumulated.

With an average of 14h and 24min of daylight, December has the longest days of the year.

The average day length in December is 14h and 22min.

On the first day of December, sunrise is at 06:25 and sunset at 20:39. On the last day of the month, sunrise is at 06:36 and sunset at 20:57 -03.

The average sunshine duration in December is 9.8h.

The months with the highest UV index are January, February and December, with an average maximum UV index of 6.

In Isla de Maipo, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health threat 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

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
Isla de Maipo, 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
Isla de Maipo, 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
Isla de Maipo, 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
Isla de Maipo, 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
Isla de Maipo, 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
Isla de Maipo, 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
Isla de Maipo, Chile

Average daylight in December: 14h and 24min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

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
Isla de Maipo, 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
Isla de Maipo, 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
Isla de Maipo, 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
Isla de Maipo, 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).