This report describes the typical weather at the Santander Airport (Santander/Cantabria, Spain) weather station over the course of an average October. It is based on the historical records from 1996 to 2012. Earlier records are either unavailable or unreliable.
Santander/Cantabria has a mild humid temperate climate with warm summers and no dry season. The area within 25 mi of this station is covered by croplands (51%), oceans and seas (47%), and forests (2%).
The month of October is characterized by falling daily high temperatures, with daily highs decreasing from 69Â°F to 64Â°F over the course of the month, exceeding 76Â°F or dropping below 57Â°F only one day in ten.
Over the course of October, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 1:25 hours, implying an average day-over-day decrease of 2.7 minutes.
The shortest day of the month is October 31 with 10:18 hours of daylight; the longest day is October 1 with 11:43 hours of daylight.
The earliest sunrise is at 7:45am on October 28; the latest sunset is at 7:56pm on October 1; the latest sunrise is at 8:44am on October 27; the earliest sunset is at 6:07pm on October 31.
Daylight savings time (DST) ends at 2:00am on October 28, 2012, shifting sunrise and sunset to an hour earlier.
The median cloud cover ranges from 72% (partly cloudy) to 82% (mostly cloudy). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 10% from the start to the end of the month.
On October 1, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 31% of the time, and overcast or mostly cloudy 31% of the time.
On October 30, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 49% 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 month. Precipitation is most likely around October 31, occurring in 56% of days. Precipitation is least likely around October 1, occurring in 45% of days.
Throughout October, the most common forms of precipitation are moderate rain and light rain.
Moderate rain is the most severe precipitation observed during 50% of those days with precipitation. It is most likely around October 31, when it is observed during 29% of all days.
Light rain is the most severe precipitation observed during 25% of those days with precipitation. It is most likely around October 24, when it is observed during 14% of all days.
Either snow is exceptionally unlikely to fall at this location in October or this station does not reliably report precipitation types.
The relative humidity typically ranges from 57% (mildly humid) to 92% (very humid) over the course of a typical October, rarely dropping below 40% (comfortable) and reaching as high as 100% (very humid).
The air is driest around October 26, at which time the relative humidity drops below 67% (mildly humid) three days out of four; it is most humid around October 5, rising above 91% (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 October, the dew point typically varies from 45Â°F (dry) to 59Â°F (comfortable) and is rarely below 39Â°F (dry) or above 64Â°F (mildy humid).
The time of the month between October 1 and October 31 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of October typical wind speeds vary from 0 mph to 13 mph (calm to moderate breeze), rarely exceeding 24 mph (fresh breeze).
The highest average wind speed of 8 mph (light breeze) occurs around October 30, 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 October 1, at which time the average daily maximum wind speed is 12 mph (gentle breeze).