This report describes the typical weather at the Chiang Mai International Airport (Chiang Mai, Thailand) weather station over the course of an average November. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Chiang Mai has a tropical savanna climate with dry winters. The area within 25 mi of this station is covered by forests (48%), croplands (19%), shrublands (19%), and grasslands (13%).
The month of November is characterized by gradually falling daily high temperatures, with daily highs around 85°F throughout the month, exceeding 90°F or dropping below 79°F only one day in ten.
Over the course of November, the length of the day is essentially constant. The shortest day of the month is November 30 with 11:05 hours of daylight; the longest day is November 1 with 11:26 hours of daylight.
The earliest sunrise is at 6:25am on November 2; the latest sunset is at 5:51pm on November 1; the latest sunrise is at 6:40am on November 30; the earliest sunset is at 5:45pm on November 22.
Daylight saving time (DST) is not observed in 2012.
The median cloud cover ranges from 28% (mostly clear) to 41% (partly cloudy). The trend is for the sky to be clearing with the median cloud cover decreasing by 13% from the start to the end of the month.
On November 30, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 80% of the time, and overcast or mostly cloudy 14% of the time.
On November 1, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 47% of the time, and clear or mostly clear 49% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around November 1, occurring in 31% of days. Precipitation is least likely around November 30, occurring in 12% of days.
Throughout November, the most common forms of precipitation are moderate rain, thunderstorms, and light rain.
Moderate rain is the most severe precipitation observed during 53% of those days with precipitation. It is most likely around November 1, when it is observed during 15% of all days.
Thunderstorms are the most severe precipitation observed during 26% of those days with precipitation. They are most likely around November 1, when it is observed during 10% of all days.
Light rain is the most severe precipitation observed during 18% of those days with precipitation. It is most likely around November 1, when it is observed during 5% of all days.
Either snow is exceptionally unlikely to fall at this location in November or this station does not reliably report precipitation types.
The relative humidity typically ranges from 46% (comfortable) to 98% (very humid) over the course of a typical November, rarely dropping below 37% (comfortable) and reaching as high as 100% (very humid).
The air is driest around November 30, at which time the relative humidity drops below 50% (mildly humid) three days out of four; it is most humid around November 1, rising above 96% (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 November, the dew point typically varies from 59°F (comfortable) to 71°F (very muggy) and is rarely below 51°F (very comfortable) or above 75°F (very muggy).
Over the course of November typical wind speeds vary from 0 mph to 8 mph (calm to gentle breeze), rarely exceeding 15 mph (moderate breeze).
The highest average wind speed of 3 mph (light air) occurs around November 1, at which time the average daily maximum wind speed is 8 mph (gentle breeze).
The lowest average wind speed of 2 mph (light air) occurs around November 29, at which time the average daily maximum wind speed is 7 mph (light breeze).