This report describes the typical weather at the Sabiha Gökçen International Airport (Istanbul, Turkey) weather station over the course of an average March. It is based on the historical records from 2006 to 2012. Earlier records are either unavailable or unreliable.
Istanbul has a mediterranean climate with dry hot summers and mild winters. The area within 25 mi of this station is covered by croplands (62%), oceans and seas (33%), and built-up areas (2%).
The month of March is characterized by rapidly rising daily high temperatures, with daily highs increasing from 50°F to 60°F over the course of the month, exceeding 68°F or dropping below 42°F only one day in ten.
Over the course of March, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 1:21 hours, implying an average day-over-day increase of 2.6 minutes.
The shortest day of the month is March 1 with 11:18 hours of daylight; the longest day is March 31 with 12:39 hours of daylight.
The earliest sunrise is at 5:59am on March 24; the latest sunset is at 7:26pm on March 31; the latest sunrise is at 6:57am on March 25; the earliest sunset is at 5:54pm on March 1.
Daylight savings time (DST) starts at 4:00am on March 25, 2012, shifting sunrise and sunset to an hour later.
The median cloud cover is 82% (mostly cloudy) and does not vary substantially over the course of the month.
On March 16, a representative day, the sky is clear or mostly clear 5% of the time, partly cloudy 15% of the time, and mostly cloudy or overcast 46% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around March 9, occurring in 47% of days. Precipitation is least likely around March 31, occurring in 41% of days.
Throughout March, the most common forms of precipitation are light rain, moderate rain, moderate snow, and thunderstorms.
Light rain is the most severe precipitation observed during 51% of those days with precipitation. It is most likely around March 9, when it is observed during 25% of all days.
Moderate rain is the most severe precipitation observed during 22% of those days with precipitation. It is most likely around March 22, when it is observed during 11% of all days.
Moderate snow is the most severe precipitation observed during 13% of those days with precipitation. It is most likely around March 1, when it is observed during 8% of all days.
Thunderstorms are the most severe precipitation observed during 10% of those days with precipitation. They are most likely around March 28, when it is observed during 5% of all days.
The likelihood of snow falling is highest around March 1, occurring in 11% of days.
Either snow rarely accumulates at this location in March or snow depth measurements are unavailable or unreliable.
The relative humidity typically ranges from 46% (comfortable) to 88% (very humid) over the course of a typical March, rarely dropping below 29% (dry) and reaching as high as 95% (very humid).
The air is driest around March 26, at which time the relative humidity drops below 56% (mildly humid) three days out of four; it is most humid around March 3, rising above 84% (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 March, the dew point typically varies from 31°F (dry) to 44°F (dry) and is rarely below 25°F (dry) or above 48°F (dry).
Over the course of March typical wind speeds vary from 1 mph to 17 mph (light air to moderate breeze), rarely exceeding 22 mph (fresh breeze).
The highest average wind speed of 9 mph (gentle breeze) occurs around March 1, at which time the average daily maximum wind speed is 16 mph (moderate breeze).
The lowest average wind speed of 8 mph (gentle breeze) occurs around March 26, at which time the average daily maximum wind speed is 15 mph (moderate breeze).