This report describes the typical weather at the León Airport (León/Castilla y Leon, Spain) weather station over the course of an average year. It is based on the historical records from 1996 to 2012. Earlier records are either unavailable or unreliable.
León/Castilla y Leon has a mediterranean climate with dry warm summers and mild winters. The area within 25 mi of this station is covered by croplands (88%), grasslands (8%), and shrublands (3%).
Over the course of a year, the temperature typically varies from 32°F to 81°F and is rarely below 23°F or above 90°F.
The warm season lasts from June 8 to September 14 with an average daily high temperature above 73°F. The hottest day of the year is August 5, with an average high of 81°F and low of 56°F.
The cold season lasts from November 15 to February 28 with an average daily high temperature below 51°F. The coldest day of the year is December 23, with an average low of 32°F and high of 44°F.
The length of the day varies significantly over the course of the year. The shortest day is December 21 with 9:03 hours of daylight; the longest day is June 20 with 15:20 hours of daylight.
The earliest sunrise is at 6:44am on June 12 and the latest sunset is at 10:05pm on June 29. The latest sunrise is at 8:53am on January 1 and the earliest sunset is at 5:49pm on December 11.
Daylight savings time (DST) is observed in this location during 2012, starting in the spring on March 25 and ending in the fall on October 28.
The median cloud cover ranges from 31% (mostly clear) to 70% (partly cloudy). The sky is cloudiest on December 29 and clearest on July 20. The clearer part of the year begins around May 28. The cloudier part of the year begins around September 23.
On July 20, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 37% of the time, and overcast or mostly cloudy 7% of the time.
On December 29, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 32% of the time, and clear or mostly clear 15% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around April 19, occurring in 35% of days. Precipitation is least likely around July 15, occurring in 13% of days.
Over the entire year, the most common forms of precipitation are light rain, moderate rain, drizzle, and thunderstorms.
Light rain is the most severe precipitation observed during 30% of those days with precipitation. It is most likely around April 21, when it is observed during 12% of all days.
Moderate rain is the most severe precipitation observed during 29% of those days with precipitation. It is most likely around November 8, when it is observed during 13% of all days.
Drizzle is the most severe precipitation observed during 18% of those days with precipitation. It is most likely around January 16, when it is observed during 9% of all days.
Thunderstorms are the most severe precipitation observed during 13% of those days with precipitation. They are most likely around May 28, when it is observed during 9% of all days.
During the warm season, which lasts from June 8 to September 14, there is a 16% 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 (37% of days with precipitation have at worst thunderstorms), light rain (30%), moderate rain (24%), and drizzle (7%).
During the cold season, which lasts from November 15 to February 28, there is a 32% 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 moderate rain (27% of days with precipitation have at worst moderate rain), light rain (25%), drizzle (25%), and moderate snow (12%).
The likelihood of snow falling is highest around January 22, occurring in 9% of days.
Either snow rarely accumulates at this location or snow depth measurements are unavailable or unreliable.
The relative humidity typically ranges from 32% (comfortable) to 96% (very humid) over the course of the year, rarely dropping below 20% (dry) and reaching as high as 100% (very humid).
The air is driest around July 21, at which time the relative humidity drops below 37% (comfortable) three days out of four; it is most humid around January 8, exceeding 94% (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 28°F (dry) to 54°F (very comfortable) and is rarely below 18°F (dry) or above 59°F (comfortable).
The time of the year between May 30 and September 24 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 25 mph (strong breeze).
The highest average wind speed of 8 mph (gentle breeze) occurs around April 20, at which time the average daily maximum wind speed is 15 mph (moderate breeze).
The lowest average wind speed of 5 mph (light breeze) occurs around December 26, at which time the average daily maximum wind speed is 9 mph (gentle breeze).