This report describes the typical weather at the Phoenix Deer Valley Airport (Phoenix, Arizona, United States) weather station over the course of an average November. It is based on the historical records from 1997 to 2012. Earlier records are either unavailable or unreliable.
Phoenix, Arizona has a hot desert climate. The area within 25 mi of this station is covered by shrublands (86%), grasslands (8%), built-up areas (3%), and croplands (2%).
The month of November is characterized by rapidly falling daily high temperatures, with daily highs decreasing from 79°F to 67°F over the course of the month, exceeding 88°F or dropping below 59°F only one day in ten.
Over the course of November, the length of the day is gradually decreasing. The shortest day of the month is November 30 with 10:05 hours of daylight; the longest day is November 1 with 10:47 hours of daylight.
The earliest sunrise is at 6:48am on November 1; the latest sunset is at 5:35pm on November 1; the latest sunrise is at 7:15am on November 30; the earliest sunset is at 5:20pm on November 30.
Daylight savings time (DST) is not observed in 2012.
The median cloud cover is 0% (clear) and does not vary substantially over the course of the month.
On November 15, a representative day, the sky is clear or mostly clear 83% of the time, partly cloudy 3% of the time, and mostly cloudy or overcast 10% of the time.
The average probability that some form of precipitation will be observed in a given day is 12%, with little variation over the course of the month.
Throughout November, the most common forms of precipitation are light rain, thunderstorms, and moderate rain.
Light rain is the most severe precipitation observed during 50% of those days with precipitation. It is most likely around November 25, when it is observed during 7% of all days.
Thunderstorms are the most severe precipitation observed during 21% of those days with precipitation. They are most likely around November 2, when it is observed during 4% of all days.
Moderate rain is the most severe precipitation observed during 20% of those days with precipitation. It is most likely around November 18, when it is observed during 3% 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 21% (dry) to 54% (mildly humid) over the course of a typical November, rarely dropping below 10% (very dry), or exceeding 85% (humid).
The air is driest around November 10, at which time the relative humidity drops below 26% (dry) three days out of four; it is most humid around November 30, rising above 38% (comfortable) 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 23°F (dry) to 40°F (dry) and is rarely below 7°F (dry) or above 52°F (very comfortable).
Over the course of November typical wind speeds vary from 0 mph to 11 mph (calm to gentle breeze), rarely exceeding 17 mph (moderate breeze).
The highest average wind speed of 5 mph (light breeze) occurs around November 1, at which time the average daily maximum wind speed is 11 mph (gentle breeze).
The lowest average wind speed of 5 mph (light breeze) occurs around November 26, at which time the average daily maximum wind speed is 11 mph (gentle breeze).