This report describes the typical weather at the Gibraltar Airport (Gibraltar) weather station over the course of an average March. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Gibraltar has a mediterranean climate with dry hot summers and mild winters. The area within 25 mi of this station is covered by oceans and seas (56%), grasslands (20%), shrublands (18%), croplands (3%), and forests (2%).
The month of March is characterized by gradually rising daily high temperatures, with daily highs around 64°F throughout the month, exceeding 71°F or dropping below 58°F only one day in ten.
Over the course of March, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 1:09 hours, implying an average day-over-day increase of 2.2 minutes.
The shortest day of the month is March 1 with 11:25 hours of daylight; the longest day is March 31 with 12:34 hours of daylight.
The earliest sunrise is at 7:19am on March 24; the latest sunset is at 8:43pm on March 31; the latest sunrise is at 8:17am on March 25; the earliest sunset is at 7:17pm on March 1.
Daylight saving time (DST) starts at 3:00am on March 25, 2012, shifting sunrise and sunset to an hour later.
The median cloud cover is 53% (partly cloudy) and does not vary substantially over the course of the month.
On March 16, a representative day, the sky is clear or mostly clear 38% of the time, partly cloudy 25% of the time, and mostly cloudy or overcast 30% of the time.
The average probability that some form of precipitation will be observed in a given day is 38%, with little variation over the course of the month.
Throughout March, the most common forms of precipitation are moderate rain, thunderstorms, and light rain.
Moderate rain is the most severe precipitation observed during 66% of those days with precipitation. It is most likely around March 16, when it is observed during 25% of all days.
Thunderstorms are the most severe precipitation observed during 15% of those days with precipitation. They are most likely around March 30, when it is observed during 6% of all days.
Light rain is the most severe precipitation observed during 12% of those days with precipitation. It is most likely around March 10, when it is observed during 5% of all days.
Either snow is exceptionally unlikely to fall at this location in March or this station does not reliably report precipitation types.
The relative humidity typically ranges from 54% (mildly humid) to 88% (very humid) over the course of a typical March, rarely dropping below 36% (comfortable) and reaching as high as 96% (very humid).
The air is driest around March 31, at which time the relative humidity drops below 65% (mildly humid) three days out of four; it is most humid around March 11, rising above 84% (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 March, the dew point typically varies from 45°F (dry) to 55°F (very comfortable) and is rarely below 35°F (dry) or above 59°F (comfortable).
The time of the month between March 1 and March 31 is the most comfortable, with dew points that are neither too dry nor too muggy.
Over the course of March typical wind speeds vary from 4 mph to 20 mph (light breeze to fresh breeze), rarely exceeding 32 mph (high wind).
The highest average wind speed of 14 mph (moderate breeze) occurs around March 1, at which time the average daily maximum wind speed is 20 mph (fresh breeze).
The lowest average wind speed of 13 mph (moderate breeze) occurs around March 30, at which time the average daily maximum wind speed is 20 mph (fresh breeze).