This report describes the typical weather at the Astana International Airport (Astana, Kazakhstan) weather station over the course of an average December. It is based on the historical records from 2000 to 2012. Earlier records are either unavailable or unreliable.
Astana has a humid continental climate with warm summers and no dry season. The area within 25 mi of this station is covered by croplands (48%), grasslands (42%), and tundra (6%).
The month of December is characterized by falling daily high temperatures, with daily highs decreasing from 20Â°F to 13Â°F over the course of the month, exceeding 32Â°F or dropping below -4Â°F only one day in ten.
Over the course of December, the length of the day is essentially constant. The shortest day of the month is December 23 with 7:53 hours of daylight; the longest day is December 1 with 8:14 hours of daylight.
The earliest sunrise is at 8:56am on December 1; the latest sunset is at 5:17pm on December 31; the latest sunrise is at 9:19am on December 29; the earliest sunset is at 5:06pm on December 10.
Daylight savings time (DST) is not observed in 2012.
The median cloud cover is 94% (mostly cloudy) and does not vary substantially over the course of the month.
On December 16, a representative day, the sky is clear or mostly clear 17% of the time, partly cloudy 8% of the time, and mostly cloudy or overcast 64% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around December 25, occurring in 78% of days. Precipitation is least likely around December 1, occurring in 73% of days.
Throughout December, the most common forms of precipitation are moderate snow and light snow.
Moderate snow is the most severe precipitation observed during 60% of those days with precipitation. It is most likely around December 18, when it is observed during 48% of all days.
Light snow is the most severe precipitation observed during 31% of those days with precipitation. It is most likely around December 23, when it is observed during 25% of all days.
The likelihood of snow falling is highest around December 25, occurring in 77% of days.
Accumulation at this location in December is unlikely. The chances of there being snow on the ground are highest around December 26, occurring 31% of the time.
The snow is typically at its deepest on December 31, with a median depth of 6.3"; the depth exceeds 9.7" only one year out of ten.
The relative humidity typically ranges from 73% (humid) to 92% (very humid) over the course of a typical December, rarely dropping below 58% (mildly humid) and reaching as high as 100% (very humid).
The air is driest around December 31, at which time the relative humidity drops below 80% (humid) three days out of four; it is most humid around December 1, rising above 88% (very 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 December, the dew point typically varies from -9Â°F (dry) to 16Â°F (dry) and is rarely below -29Â°F (dry) or above 29Â°F (dry).
Over the course of December typical wind speeds vary from 3 mph to 13 mph (light air to moderate breeze), rarely exceeding 22 mph (fresh breeze).
The highest average wind speed of 9 mph (gentle breeze) occurs around December 27, at which time the average daily maximum wind speed is 13 mph (moderate breeze).
The lowest average wind speed of 8 mph (gentle breeze) occurs around December 17, at which time the average daily maximum wind speed is 12 mph (gentle breeze).