December Weather at Domingo Faustino Sarmiento Airport Argentina

Daily high temperatures increase by 3°F, from 90°F to 93°F, rarely falling below 81°F or exceeding 101°F.

Daily low temperatures increase by 5°F, from 64°F to 69°F, rarely falling below 56°F or exceeding 76°F.

For reference, on January 6, the hottest day of the year, temperatures at Domingo Faustino Sarmiento Airport typically range from 69°F to 94°F, while on July 11, the coldest day of the year, they range from 35°F to 61°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Ozona, United States (4,815 miles away) is the far-away foreign place with temperatures most similar to Domingo Faustino Sarmiento Airport (view comparison).

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The month of December at Domingo Faustino Sarmiento Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 16% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 14% on December 8.

The clearest day of the month is December 8, with clear, mostly clear, or partly cloudy conditions 86% of the time.

For reference, on May 31, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 41%, while on December 8, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 86%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Domingo Faustino Sarmiento Airport, the chance of a wet day over the course of December is increasing, starting the month at 5% and ending it at 10%.

For reference, the year's highest daily chance of a wet day is 13% on February 20, and its lowest chance is 2% on August 10.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during December at Domingo Faustino Sarmiento Airport is essentially constant, remaining about 0.5 inches throughout, and rarely exceeding 1.4 inches.

Over the course of December at Domingo Faustino Sarmiento Airport, the length of the day is essentially constant. The shortest day of the month is December 1, with 14 hours, 4 minutes of daylight and the longest day is December 21, with 14 hours, 13 minutes of daylight.

The earliest sunrise of the month at Domingo Faustino Sarmiento Airport is 6:21 AM on December 3 and the latest sunrise is 11 minutes later at 6:31 AM on December 31.

The earliest sunset is 8:24 PM on December 1 and the latest sunset is 17 minutes later at 8:42 PM on December 31.

Daylight saving time is not observed at Domingo Faustino Sarmiento Airport during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:25 AM and sets 14 hours, 13 minutes later, at 8:38 PM, while on June 20, the shortest day of the year, it rises at 8:32 AM and sets 10 hours, 5 minutes later, at 6:38 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for December 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy at Domingo Faustino Sarmiento Airport is gradually increasing during December, rising from 0% to 3% over the course of the month.

For reference, on February 15, the muggiest day of the year, there are muggy conditions 4% of the time, while on May 21, the least muggy day of the year, there are muggy conditions 0% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Domingo Faustino Sarmiento Airport is essentially constant during December, remaining within 0.2 miles per hour of 9.6 miles per hour throughout.

For reference, on November 21, the windiest day of the year, the daily average wind speed is 9.8 miles per hour, while on June 14, the calmest day of the year, the daily average wind speed is 6.3 miles per hour.

The wind direction at Domingo Faustino Sarmiento Airport during December is predominantly out of the south from December 1 to December 7 and the east from December 7 to December 31.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season at Domingo Faustino Sarmiento Airport typically lasts for 9.4 months (286 days), from around August 21 to around June 3, rarely starting before July 31 or after September 15, and rarely ending before May 11 or after June 22.

The month of December at Domingo Faustino Sarmiento Airport is reliably fully within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days at Domingo Faustino Sarmiento Airport are rapidly increasing during December, increasing by 828°F, from 1,856°F to 2,684°F, over the course of the month.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy at Domingo Faustino Sarmiento Airport is essentially constant during December, remaining within 0.1 kWh of 8.7 kWh throughout.

The highest average daily incident shortwave solar energy during December is 8.8 kWh on December 7.

For the purposes of this report, the geographical coordinates of Domingo Faustino Sarmiento Airport are -31.571 deg latitude, -68.418 deg longitude, and 1,959 ft elevation.

The topography within 2 miles of Domingo Faustino Sarmiento Airport is essentially flat, with a maximum elevation change of 79 feet and an average elevation above sea level of 1,948 feet. Within 10 miles is essentially flat (1,473 feet). Within 50 miles contains very significant variations in elevation (12,615 feet).

The area within 2 miles of Domingo Faustino Sarmiento Airport is covered by grassland (29%), cropland (25%), trees (22%), and shrubs (22%), within 10 miles by grassland (22%) and cropland (21%), and within 50 miles by bare soil (34%) and sparse vegetation (22%).