December weather forecast
Capitán Sarmiento, Argentina

December

Weather in December

The first month of the summer, December, is a tropical month in Capitán Sarmiento, Argentina, with an average temperature fluctuating between 30.6°C (87.1°F) and 15.7°C (60.3°F).

Temperature

Capitán Sarmiento's weather shows a minor temperature rise with the arrival of December, moving from a moderately hot 26.9°C (80.4°F) in November to a tropical 30.6°C (87.1°F). December nights in Capitán Sarmiento report a substantial dip from daytime highs to an average of 15.7°C (60.3°F).

Heat index

For most parts of December, the heat index is computed to be a tropical 33°C (91.4°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. 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 primarily vital for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In Capitán Sarmiento, the average relative humidity in December is 56%.

Rainfall

The month with the most rainfall is December, when the rain falls for 8.9 days and typically aggregates up to 69mm (2.72") of precipitation.

Snowfall

In Capitán Sarmiento, snow does not fall in January through June, August through December.

Daylight

With an average of 14h and 24min of daylight, December has the longest days of the year.
On the first day of December in Capitán Sarmiento, sunrise is at 05:40 and sunset at 19:56. On the last day of the month, sunrise is at 05:50 and sunset at 20:14 -03.

Sunshine

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

UV index

In Capitán Sarmiento, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 6 in December translates into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

How hot is December in Capitán Sarmiento?
In Capitán Sarmiento, 30.6°C (87.1°F) is the average high-temperature and 15.7°C (60.3°F) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in December is computed to be 33°C (91.4°F).
What is the average humidity in December in Capitán Sarmiento?
In December, the average relative humidity in Capitán Sarmiento is 56%.
What is the wettest month in Capitán Sarmiento?
The month with the most rainfall in Capitán Sarmiento, Argentina, is December, when the rain falls for 8.9 days and typically aggregates up to 69mm (2.72") of precipitation.
How much does it rain in Capitán Sarmiento in December?
In Capitán Sarmiento, during December, the rain falls for 8.9 days and regularly aggregates up to 69mm (2.72") of precipitation.
When it does not snow in Capitán Sarmiento?
January through June, August through December are months without snowfall in Capitán Sarmiento, Argentina.
When are the longest days in Capitán Sarmiento?
December has the longest days of the year in Capitán Sarmiento, Argentina, with an average of 14h and 24min of daylight.
How many hours of daylight does Capitán Sarmiento have in December?
In December, the average day length is 14h and 23min.
When are sunrise and sunset in December in Capitán Sarmiento?
On the first day of December, sunrise is at 05:40 and sunset at 19:56. On the last day of the month, sunrise is at 05:50 and sunset at 20:14 -03.
What month has the most sunshine in Capitán Sarmiento?
December has the most sunshine of the year in Capitán Sarmiento, with an average of 11.2h of sunshine.
How long on average sun shines in December in Capitán Sarmiento?
The average sunshine duration in December in Capitán Sarmiento, Argentina, is 11.2h.
What is the UV index reading in December in Capitán Sarmiento?
In Capitán Sarmiento, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe 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
Capitán Sarmiento, Argentina
  • Average high temperature in December: 30.6°C

The warmest month (with the highest average high temperature) is January (32.3°C).
The month with the lowest average high temperature is July (13.8°C).

  • Average low temperature in December: 15.7°C

The month with the highest average low temperature is January (17.3°C).
The coldest month (with the lowest average low temperature) is July (6.3°C).

Average pressure in December
Capitán Sarmiento, Argentina
  • Average pressure in December: 1010.4mbar

The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).

Average wind speed in December
Capitán Sarmiento, Argentina
  • Average wind speed in December: 12.4km/h

The windiest month (with the highest average wind speed) is September (14.2km/h).
The calmest month (with the lowest average wind speed) is March (11.6km/h).

Average humidity in December
Capitán Sarmiento, Argentina
  • Average humidity in December: 56%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is January (54%).

Average rainfall in December
Capitán Sarmiento, Argentina
  • Average rainfall in December: 69mm

The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is June (27mm).

Average rainfall days in December
Capitán Sarmiento, Argentina
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is October (10 days).
The month with the least rainy days is June (5.9 days).

Average snowfall days in December
Capitán Sarmiento, 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
Capitán Sarmiento, 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
Capitán Sarmiento, Argentina
  • Average sunshine days in December: 20.7 days

The month with the most sunshine days is June (23 days).
The month with the least sunshine days is October (19.1 days).

Average UV index in December
Capitán Sarmiento, 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
Capitán Sarmiento, Argentina
  • Average cloud cover in December: 19

The month with the most cloud cover is May (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 17).

Average visibility in December
Capitán Sarmiento, Argentina
  • Average visibility in December: 10km

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

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