This report describes the typical weather at the San Pablo Airport (Sevilla, Spain) weather station over the course of an average January. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Sevilla has a mediterranean climate with dry hot summers and mild winters. The area within 25 mi of this station is covered by croplands (85%), shrublands (10%), and forests (3%).
The month of January is characterized by essentially constant daily high temperatures, with daily highs around 61°F throughout the month, exceeding 69°F or dropping below 55°F only one day in ten.
Over the course of January, the length of the day is gradually increasing. The shortest day of the month is January 1 with 9:38 hours of daylight; the longest day is January 31 with 10:18 hours of daylight.
The earliest sunrise is at 8:28am on January 31; the latest sunset is at 6:46pm on January 31; the latest sunrise is at 8:39am on January 8; the earliest sunset is at 6:16pm on January 1.
Daylight savings time is observed in 2012 but it neither starts nor ends in January, so the entire month is in standard time.
The median cloud cover is 34% (mostly clear) and does not vary substantially over the course of the month.
On January 16, a representative day, the sky is clear or mostly clear 44% of the time, partly cloudy 22% of the time, and mostly cloudy or overcast 14% of the time.
The average probability that some form of precipitation will be observed in a given day is 32%, with little variation over the course of the month.
Throughout January, the most common forms of precipitation are moderate rain, light rain, and drizzle.
Moderate rain is the most severe precipitation observed during 58% of those days with precipitation. It is most likely around January 1, when it is observed during 19% of all days.
Light rain is the most severe precipitation observed during 14% of those days with precipitation. It is most likely around January 7, when it is observed during 5% of all days.
Drizzle is the most severe precipitation observed during 13% of those days with precipitation. It is most likely around January 15, when it is observed during 4% of all days.
Either snow is exceptionally unlikely to fall at this location in January or this station does not reliably report precipitation types.
The relative humidity typically ranges from 52% (mildly humid) to 95% (very humid) over the course of a typical January, rarely dropping below 32% (comfortable) and reaching as high as 100% (very humid).
The air is driest around January 31, at which time the relative humidity drops below 63% (mildly humid) three days out of four; it is most humid around January 7, rising above 93% (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 January, the dew point typically varies from 38°F (dry) to 49°F (dry) and is rarely below 28°F (dry) or above 58°F (comfortable).
Over the course of January 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 6 mph (light breeze) occurs around January 1, at which time the average daily maximum wind speed is 12 mph (moderate breeze).
The lowest average wind speed of 5 mph (light breeze) occurs around January 11, at which time the average daily maximum wind speed is 12 mph (gentle breeze).