December weather forecast
Ramos Mejía, Argentina

December

Weather in December

December, the first month of the summer in Ramos Mejía, is also a moderately hot month, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 18.5°C (65.3°F).

Temperature

The shift into December is marked by a modest rise in the average high-temperature, moving from November's 24.7°C (76.5°F) to a still moderately hot 28.8°C (83.8°F). Ramos Mejía experiences a mean temperature of 18.5°C (65.3°F) during December nights.

Heat index

Throughout December, the heat index is evaluated at a hot 31°C (87.8°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

In Ramos Mejía, the average relative humidity in December is 59%.

Rainfall

In December, in Ramos Mejía, the rain falls for 8.6 days. Throughout December, 62mm (2.44") of precipitation is accumulated. In Ramos Mejía, during the entire year, the rain falls for 100.3 days and collects up to 586mm (23.07") of precipitation.

Daylight

The month with the longest days in Ramos Mejía is December, with an average of 14h and 24min of daylight.
On the first day of the month, sunrise is at 05:34 and sunset at 19:52. On the last day of December, sunrise is at 05:44 and sunset at 20:10 -03.

Sunshine

December has the most sunshine of the year, with an average of 11.2h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index in Ramos Mejía. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 6 in December transforms into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

How hot does it get in Ramos Mejía in December?
The high-temperature, in December, in Ramos Mejía, is 28.8°C (83.8°F), while the low-temperature averages to 18.5°C (65.3°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in December is evaluated at 31°C (87.8°F).
What is the average humidity in December in Ramos Mejía?
The average relative humidity in December in Ramos Mejía is 59%.
How many days does it rain in December in Ramos Mejía?
In Ramos Mejía, during December, the rain falls for 8.6 days and regularly aggregates up to 62mm (2.44") of precipitation.
When are the longest days in Ramos Mejía?
The month with the longest days in Ramos Mejía is December, with an average of 14h and 24min of daylight.
What is the average length of the day in December in Ramos Mejía?
In Ramos Mejía, the average day length in December is 14h and 26min.
When are sunrise and sunset in December in Ramos Mejía?
On the first day of December, sunrise is at 05:34 and sunset at 19:52. On the last day of the month, sunrise is at 05:44 and sunset at 20:10 -03.
What month has the most sunshine in Ramos Mejía?
The month with the most sunshine in Ramos Mejía, Argentina, is December, with an average of 11.2h of sunshine.
How many hours of sunshine does Ramos Mejía have in December?
In Ramos Mejía, Argentina, the average sunshine duration in December is 11.2h.
What is the month with the highest UV index in Ramos Mejía?
The months with the highest UV index in Ramos Mejía are January through March, November and December, with an average maximum UV index of 6.
What is the UV index intensity in December in Ramos Mejía?
In December, the average daily maximum UV index in Ramos Mejía, Argentina, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Ramos Mejía, Argentina
Average temperature in December
Ramos Mejía, Argentina
  • Average high temperature in December: 28.8°C

The warmest month (with the highest average high temperature) is January (30.3°C).
The month with the lowest average high temperature is July (13.8°C).

  • Average low temperature in December: 18.5°C

The month with the highest average low temperature is January (20.2°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

Average pressure in December - Ramos Mejía, Argentina
Average pressure in December
Ramos Mejía, Argentina
  • Average pressure in December: 1011mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).

Average wind speed in December - Ramos Mejía, Argentina
Average wind speed in December
Ramos Mejía, Argentina
  • Average wind speed in December: 14km/h

The windiest month (with the highest average wind speed) is September (16.4km/h).
The calmest month (with the lowest average wind speed) is March (13.8km/h).

Average humidity in December - Ramos Mejía, Argentina
Average humidity in December
Ramos Mejía, Argentina
  • Average humidity in December: 59%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is January (57%).

Average rainfall in December - Ramos Mejía, Argentina
Average rainfall in December
Ramos Mejía, Argentina
  • Average rainfall in December: 62mm

The wettest month (with the highest rainfall) is November (70mm).
The driest month (with the least rainfall) is September (36mm).

Average rainfall days in December - Ramos Mejía, Argentina
Average rainfall days in December
Ramos Mejía, Argentina
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is August (5.8 days).

Average daylight in December / Average sunshine in December - Ramos Mejía, Argentina
Average daylight in December /
Average sunshine in December
Ramos Mejía, Argentina
  • Average daylight in December: 14h and 2min

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: 11h and 1min

The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average sunshine days in December - Ramos Mejía, Argentina
Average sunshine days in December
Ramos Mejía, Argentina
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is February (18.3 days).

Average UV index in December - Ramos Mejía, Argentina
Average UV index in December
Ramos Mejía, Argentina
  • Average UV index in December: 6

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

Average cloud cover in December - Ramos Mejía, Argentina
Average cloud cover in December
Ramos Mejía, Argentina
  • Average cloud cover in December: 18

The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 16).

Average visibility in December - Ramos Mejía, Argentina
Average visibility in December
Ramos Mejía, Argentina
  • 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).

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