December weather forecast
Melchor Romero, Argentina

December

Weather in December

December, the first month of the summer in Melchor Romero, is also a moderately hot month, with an average temperature varying between 27.7°C (81.9°F) and 17.7°C (63.9°F).

Temperature

As December arrives, Melchor Romero's weather shows a minor increase in high-temperatures, edging from November's warm 23.8°C (74.8°F) to a still moderately hot 27.7°C (81.9°F). Melchor Romero's December nights cool down to an average low-temperature of 17.7°C (63.9°F).

Heat index

Throughout December, the heat index is calculated to be 29°C (84.2°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

In December, the average relative humidity is 62%.

Rainfall

In Melchor Romero, in December, it is raining for 8.1 days, with typically 50mm (1.97") of accumulated precipitation. In Melchor Romero, during the entire year, the rain falls for 105.2 days and collects up to 559mm (22.01") of precipitation.

Snowfall

January through June, August through December are months without snowfall.

Daylight

With an average of 14h and 30min of daylight, December has the longest days of the year in Melchor Romero.
On the first day of the month, sunrise is at 05:31 and sunset at 19:51. On the last day of December, in Melchor Romero, Argentina, sunrise is at 05:41 and sunset at 20:09 -03.

Sunshine

The month with the most sunshine in Melchor Romero is December, with an average of 11.1h of sunshine.

UV index

In December, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During December, 6 as the daily maximum UV index converts into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What are December temperatures in Melchor Romero?
The high-temperature, in December, in Melchor Romero, is 27.7°C (81.9°F), while the low-temperature averages to 17.7°C (63.9°F). In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 29°C (84.2°F).
What is the average humidity in December in Melchor Romero?
The average relative humidity in December in Melchor Romero is 62%.
How many days does it rain in December in Melchor Romero?
In Melchor Romero, in December, it is raining for 8.1 days, with typically 50mm (1.97") of accumulated precipitation.
When it does not snow in Melchor Romero?
In Melchor Romero, Argentina, snow does not fall in January through June, August through December.
When are the longest days in Melchor Romero?
December has the longest days of the year, with an average of 14h and 30min of daylight.
How many hours of daylight does Melchor Romero have in December?
In Melchor Romero, Argentina, the average day length in December is 14h and 28min.
When are sunrise and sunset in December in Melchor Romero?
In December, on the first day of the month, sunrise is at 05:31 and sunset at 19:51. On the last day of the month, in Melchor Romero, sunrise is at 05:41 and sunset at 20:09 -03.
What month has the most sunshine in Melchor Romero?
December has the most sunshine of the year, with an average of 11.1h of sunshine.
How many hours of sunshine does Melchor Romero have in December?
The average sunshine duration in December in Melchor Romero, Argentina, is 11.1h.
What is the UV index reading in December in Melchor Romero?
In December, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
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 snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Melchor Romero, Argentina
Average temperature in December
Melchor Romero, Argentina
  • Average high temperature in December: 27.7°C

The warmest month (with the highest average high temperature) is January (29.5°C).
The month with the lowest average high temperature is July (13.2°C).

  • Average low temperature in December: 17.7°C

The month with the highest average low temperature is January (19.9°C).
The coldest month (with the lowest average low temperature) is July (7.7°C).

Average pressure in December - Melchor Romero, Argentina
Average pressure in December
Melchor Romero, Argentina
  • Average pressure in December: 1011.1mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).

Average wind speed in December - Melchor Romero, Argentina
Average wind speed in December
Melchor Romero, Argentina
  • Average wind speed in December: 16km/h

The windiest month (with the highest average wind speed) is September (17.6km/h).
The calmest month (with the lowest average wind speed) is May (15.2km/h).

Average humidity in December - Melchor Romero, Argentina
Average humidity in December
Melchor Romero, Argentina
  • Average humidity in December: 62%

The months with the highest relative humidity are May and July (78%).
The month with the lowest relative humidity is January (60%).

Average rainfall in December - Melchor Romero, Argentina
Average rainfall in December
Melchor Romero, Argentina
  • Average rainfall in December: 50mm

The wettest month (with the highest rainfall) is October (67mm).
The driest month (with the least rainfall) is January (24mm).

Average rainfall days in December - Melchor Romero, Argentina
Average rainfall days in December
Melchor Romero, Argentina
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (9.7 days).
The month with the least rainy days is January (7.6 days).

Average snowfall days in December - Melchor Romero, Argentina
Average snowfall days in December
Melchor Romero, Argentina
  • Average snowfall days in December: 0 days

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

Average daylight in December / Average sunshine in December - Melchor Romero, Argentina
Average daylight in December /
Average sunshine in December
Melchor Romero, Argentina
  • Average daylight in December: 14h and 3min

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).

  • Average sunshine in December: 11h and 1min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average sunshine days in December - Melchor Romero, Argentina
Average sunshine days in December
Melchor Romero, Argentina
  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is January (21.8 days).
The months with the least sunshine days are February and October (18.8 days).

Average UV index in December - Melchor Romero, Argentina
Average UV index in December
Melchor Romero, Argentina
  • Average UV index in December: 6

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May, June and July (UV index 3).

Average cloud cover in December - Melchor Romero, Argentina
Average cloud cover in December
Melchor Romero, Argentina
  • Average cloud cover in December: 19

The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 17).

Average visibility in December - Melchor Romero, Argentina
Average visibility in December
Melchor Romero, Argentina
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).

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