This report describes the typical weather at the Jorge Newbery Airport (Buenos Aires, Argentina) weather station over the course of an average February. It is based on the historical records from 1990 to 2012. Earlier records are either unavailable or unreliable.
Buenos Aires has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by oceans and seas (43%), croplands (24%), built-up areas (19%), floodplains (9%), and grasslands (4%).
The month of February is characterized by essentially constant daily high temperatures, with daily highs around 80°F throughout the month, exceeding 87°F or dropping below 74°F only one day in ten.
Over the course of February, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 56 minutes, implying an average day-over-day decrease of 1.9 minutes.
The shortest day of the month is February 29 with 12:51 hours of daylight; the longest day is February 1 with 13:47 hours of daylight.
The earliest sunrise is at 6:14am on February 1; the latest sunset is at 8:01pm on February 1; the latest sunrise is at 6:41am on February 29; the earliest sunset is at 7:31pm on February 29.
Daylight savings time (DST) is not observed in 2012.
The median cloud cover is 37% (mostly clear) and does not vary substantially over the course of the month.
On February 15, a representative day, the sky is clear or mostly clear 41% of the time, partly cloudy 13% of the time, and mostly cloudy or overcast 22% of the time.
The average probability that some form of precipitation will be observed in a given day is 32%, with little variation over the course of the month.
Throughout February, the most common forms of precipitation are thunderstorms, moderate rain, and light rain.
Thunderstorms are the most severe precipitation observed during 50% of those days with precipitation. They are most likely around February 2, when it is observed during 17% of all days.
Moderate rain is the most severe precipitation observed during 30% of those days with precipitation. It is most likely around February 21, when it is observed during 10% of all days.
Light rain is the most severe precipitation observed during 13% of those days with precipitation. It is most likely around February 29, when it is observed during 5% of all days.
Either snow is exceptionally unlikely to fall at this location in February or this station does not reliably report precipitation types.
The relative humidity typically ranges from 54% (mildly humid) to 86% (very humid) over the course of a typical February, rarely dropping below 36% (comfortable) and reaching as high as 96% (very humid).
The air is driest around February 1, at which time the relative humidity drops below 62% (mildly humid) three days out of four; it is most humid around February 29, rising above 82% (humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical February, the dew point typically varies from 58°F (comfortable) to 69°F (muggy) and is rarely below 46°F (dry) or above 75°F (very muggy).
Over the course of February typical wind speeds vary from 3 mph to 18 mph (light air to fresh breeze), rarely exceeding 25 mph (strong breeze).
The highest average wind speed of 11 mph (gentle breeze) occurs around February 1, at which time the average daily maximum wind speed is 18 mph (fresh breeze).
The lowest average wind speed of 10 mph (gentle breeze) occurs around February 22, at which time the average daily maximum wind speed is 17 mph (moderate breeze).