This report describes the typical weather at the Jackson Hole Airport (Jackson Hole, Wyoming, United States) weather station over the course of an average November. It is based on the historical records from 1980 to 2012. Earlier records are either unavailable or unreliable.
Jackson Hole, Wyoming has a humid subarctic continental climate with cool summers and no dry season. The area within 25 mi of this station is covered by forests (85%), croplands (9%), grasslands (4%), and lakes and rivers (2%).
The month of November is characterized by very rapidly falling daily high temperatures, with daily highs decreasing from 44°F to 28°F over the course of the month, exceeding 57°F or dropping below 17°F only one day in ten.
Over the course of November, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 1:02 hours, implying an average day-over-day decrease of 2.1 minutes.
The shortest day of the month is November 30 with 9:11 hours of daylight; the longest day is November 1 with 10:13 hours of daylight.
The earliest sunrise is at 7:03am on November 4; the latest sunset is at 6:13pm on November 1; the latest sunrise is at 8:02am on November 3; the earliest sunset is at 4:48pm on November 30.
Daylight savings time (DST) ends at 1:00am on November 4, 2012, shifting sunrise and sunset to an hour earlier.
The median cloud cover ranges from 60% (partly cloudy) to 87% (mostly cloudy). The trend is for the sky to be becoming rapidly cloudier with the median cloud cover increasing by 26% from the start to the end of the month.
On November 1, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 38% of the time, and overcast or mostly cloudy 40% of the time.
On November 30, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 51% of the time, and clear or mostly clear 26% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around November 30, occurring in 31% of days. Precipitation is least likely around November 1, occurring in 23% of days.
Throughout November, the most common forms of precipitation are light snow, moderate snow, and light rain.
Light snow is the most severe precipitation observed during 66% of those days with precipitation. It is most likely around November 30, when it is observed during 23% of all days.
Moderate snow is the most severe precipitation observed during 19% of those days with precipitation. It is most likely around November 30, when it is observed during 6% of all days.
Light rain is the most severe precipitation observed during 11% of those days with precipitation. It is most likely around November 1, when it is observed during 4% of all days.
The likelihood of snow falling is highest around November 30, occurring in 29% of days.
Either snow rarely accumulates at this location in November or snow depth measurements are unavailable or unreliable.
The relative humidity typically ranges from 44% (comfortable) to 90% (very humid) over the course of a typical November, rarely dropping below 25% (dry) and reaching as high as 100% (very humid).
The air is driest around November 1, at which time the relative humidity drops below 56% (mildly humid) three days out of four; it is most humid around November 25, rising above 86% (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 4°F (dry) to 28°F (dry) and is rarely below -13°F (dry) or above 37°F (dry).
Over the course of November typical wind speeds vary from 0 mph to 13 mph (calm to moderate breeze), rarely exceeding 22 mph (fresh breeze).
The highest average wind speed of 7 mph (light breeze) occurs around November 15, at which time the average daily maximum wind speed is 13 mph (moderate breeze).
The lowest average wind speed of 6 mph (light breeze) occurs around November 19, at which time the average daily maximum wind speed is 12 mph (moderate breeze).