This report describes the typical weather at the Kunming Wujiaba International Airport (Kunming, China) weather station over the course of an average year. It is based on the historical records from 1994 to 2012. Earlier records are either unavailable or unreliable.
Kunming has a mild temperate climate with dry winters and warm summers. The area within 25 mi of this station is covered by shrublands (74%), forests (11%), lakes and rivers (7%), and croplands (7%).
Over the course of a year, the temperature typically varies from 38Â°F to 77Â°F and is rarely below 33Â°F or above 84Â°F.
The warm season lasts from April 3 to September 16 with an average daily high temperature above 73Â°F. The hottest day of the year is August 5, with an average high of 77Â°F and low of 63Â°F.
The cold season lasts from November 24 to February 6 with an average daily high temperature below 63Â°F. The coldest day of the year is December 30, with an average low of 38Â°F and high of 60Â°F.
The length of the day varies significantly over the course of the year. The shortest day is December 21 with 10:36 hours of daylight; the longest day is June 20 with 13:41 hours of daylight.
The earliest sunrise is at 6:19am on June 5 and the latest sunset is at 8:04pm on June 29. The latest sunrise is at 7:57am on January 12 and the earliest sunset is at 6:19pm on November 29.
Daylight saving time (DST) is not observed in 2012.
The median cloud cover ranges from 23% (mostly clear) to 86% (mostly cloudy). The sky is cloudiest on July 10 and clearest on January 29. The clearer part of the year begins around November 18. The cloudier part of the year begins around May 7.
On January 29, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 60% of the time, and overcast or mostly cloudy 22% of the time.
On July 10, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 82% of the time, and clear or mostly clear 12% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around July 30, occurring in 73% of days. Precipitation is least likely around January 20, occurring in 16% of days.
Over the entire year, the most common forms of precipitation are light rain, thunderstorms, and moderate rain.
Light rain is the most severe precipitation observed during 36% of those days with precipitation. It is most likely around June 13, when it is observed during 22% of all days.
Thunderstorms are the most severe precipitation observed during 36% of those days with precipitation. They are most likely around July 31, when it is observed during 41% of all days.
Moderate rain is the most severe precipitation observed during 26% of those days with precipitation. It is most likely around June 12, when it is observed during 19% of all days.
During the warm season, which lasts from April 3 to September 16, there is a 58% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of thunderstorms (45% of days with precipitation have at worst thunderstorms), light rain (31%), and moderate rain (23%).
During the cold season, which lasts from November 24 to February 6, there is a 19% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light rain (55% of days with precipitation have at worst light rain), moderate rain (33%), and thunderstorms (5%).
Either snow is exceptionally unlikely to fall at any time during the year at this location or this station does not reliably report precipitation types.
The relative humidity typically ranges from 27% (dry) to 92% (very humid) over the course of the year, rarely dropping below 15% (very dry) and reaching as high as 100% (very humid).
The air is driest around March 14, at which time the relative humidity drops below 33% (comfortable) three days out of four; it is most humid around July 15, exceeding 89% (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 year, the dew point typically varies from 28Â°F (dry) to 63Â°F (mildy humid) and is rarely below 19Â°F (dry) or above 66Â°F (muggy).
The time of the year between April 20 and November 9 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of the year typical wind speeds vary from 0 mph to 15 mph (calm to moderate breeze), rarely exceeding 20 mph (fresh breeze).
The highest average wind speed of 7 mph (light breeze) occurs around March 14, at which time the average daily maximum wind speed is 15 mph (moderate breeze).
The lowest average wind speed of 4 mph (light breeze) occurs around August 21, at which time the average daily maximum wind speed is 9 mph (gentle breeze).