More Averages
Average Weather In October For Santiago de Compostela, Spain
Location
This report describes the typical weather at the Santiago de Compostela Airport (Santiago de Compostela, Spain) weather station over the course of an average October. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Santiago de Compostela has a mild humid temperate climate with warm summers and no dry season. The area within 25 mi of this station is covered by grasslands (99%).
Temperature
The month of October is characterized by falling daily high temperatures, with daily highs decreasing from 68°F to 60°F over the course of the month, exceeding 78°F or dropping below 53°F only one day in ten.
Daily High and Low Temperature in October
The daily average low (blue) and high (red) temperature with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).
Fraction of Time Spent in Various Temperature Bands in October
The average fraction of time spent in various temperature bands: frigid (below 15°F), freezing (15°F to 32°F), cold (32°F to 50°F), cool (50°F to 65°F), comfortable (65°F to 75°F), warm (75°F to 85°F), hot (85°F to 100°F) and sweltering (above 100°F).
Sun
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 1:24 hours, implying an average day-over-day decrease of 2.7 minutes.
The shortest day of the month is October 31 with 10:19 hours of daylight; the longest day is October 1 with 11:43 hours of daylight.
Daily Hours of Daylight and Twilight in October
The number of hours during which the Sun is visible (black line), with various degrees of daylight, twilight, and night, indicated by the color bands. From bottom (most yellow) to top (most gray): full daylight, solar twilight (Sun is visible but less than 6° from the horizon), civil twilight (Sun is not visible but is less than 6° below the horizon), nautical twilight (Sun is between 6° and 12° below the horizon), astronomical twilight (Sun is between 12° and 18° below the horizon), and full night.
The earliest sunrise is at 8:04am on October 28; the latest sunset is at 8:15pm on October 1; the latest sunrise is at 9:03am on October 27; the earliest sunset is at 6:27pm on October 31.
Daylight saving time (DST) ends at 2:00am on October 28, 2012, shifting sunrise and sunset to an hour earlier.
Daily Sunrise & Sunset with Twilight and Daylight Saving Time in October
The solar day over the course of the year 2012 . From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (solar, civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the "DST" labels.
Clouds
The median cloud cover ranges from 63% (partly cloudy) to 70% (partly cloudy). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 8% from the start to the end of the month.
Median Cloud Cover in October
The median daily cloud cover (black line) with percentile bands (inner band from 40th to 60th percentile, outer band from 25th to 75th percentile).
On October 16, a representative day, the sky is clear or mostly clear 22% of the time, partly cloudy 28% of the time, and mostly cloudy or overcast 33% of the time.
Cloud Cover Types in October
The fraction of time spent in each of the five sky cover categories. From top (most blue) to bottom (most gray), the categories are clear, mostly clear, partly cloudy, mostly cloudy, and overcast. Pink indicates missing data. Outside of the United States clear skies are often reported ambiguously, leading them to be lumped in with the missing data.
Precipitation
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around October 31, occurring in 60% of days. Precipitation is least likely around October 1, occurring in 50% of days.
Probability of Precipitation at Some Point in the Day in October
The fraction of days in which various types of precipitation are observed. If more than one type of precipitation is reported in a given day, the more severe precipitation is counted. For example, if light rain is observed in the same day as a thunderstorm, that day counts towards the thunderstorm totals. The order of severity is from the top down in this graph, with the most severe at the bottom.
Throughout October, the most common forms of precipitation are moderate rain, light rain, and drizzle.
Moderate rain is the most severe precipitation observed during 60% of those days with precipitation. It is most likely around October 31, when it is observed during 37% of all days.
Light rain is the most severe precipitation observed during 13% of those days with precipitation. It is most likely around October 22, when it is observed during 8% of all days.
Drizzle is the most severe precipitation observed during 12% of those days with precipitation. It is most likely around October 31, when it is observed during 7% of all days.
Types of Precipitation Throughout October
Relative frequency of various types of precipitation over the course of a typical October.
Snow
Either snow is exceptionally unlikely to fall at this location in October or this station does not reliably report precipitation types.
Humidity
The relative humidity typically ranges from 60% (mildly humid) to 98% (very humid) over the course of a typical October, rarely dropping below 37% (comfortable) and reaching as high as 100% (very humid).
The air is driest around October 1, at which time the relative humidity drops below 73% (humid) three days out of four; it is most humid around October 20, rising above 100% (very humid) three days out of four.
Relative Humidity in October
The average daily high (blue) and low (brown) relative humidity with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).
Dew Point
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 44°F (dry) to 57°F (comfortable) and is rarely below 37°F (dry) or above 62°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.
Dew Point in October
The daily average low (blue) and high (red) dew point with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).
Wind
Over the course of October typical wind speeds vary from 0 mph to 12 mph (calm to moderate breeze), rarely exceeding 20 mph (fresh breeze).
The highest average wind speed of 7 mph (light breeze) occurs around October 14, at which time the average daily maximum wind speed is 12 mph (moderate breeze).
The lowest average wind speed of 6 mph (light breeze) occurs around October 2, at which time the average daily maximum wind speed is 12 mph (gentle breeze).
Wind Speed in October
The average daily minimum (red), maximum (green), and average (black) wind speed with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).
Wind Directions in October
The fraction of time spent with the wind blowing from the various directions over the entire year. Values do not sum to 100% because the wind direction is undefined when the wind speed is zero.
Fraction of Time Spent with Various Wind Directions in October
The fraction of time spent with the wind blowing from the various directions on a daily basis. Stacked values do not always sum to 100% because the wind direction is undefined when the wind speed is zero.