This report describes the typical weather at the Marka International Airport (Amman, Jordan) weather station over the course of an average October. It is based on the historical records from 1992 to 2012. Earlier records are either unavailable or unreliable.
Amman has a cold semi-arid steppe climate. The area within 25 mi of this station is covered by shrublands (66%) and croplands (32%).
The month of October is characterized by rapidly falling daily high temperatures, with daily highs decreasing from 84Â°F to 74Â°F over the course of the month, exceeding 91Â°F or dropping below 66Â°F only one day in ten.
Over the course of October, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 55 minutes, implying an average day-over-day decrease of 1.8 minutes.
The shortest day of the month is October 31 with 10:55 hours of daylight; the longest day is October 1 with 11:51 hours of daylight.
The earliest sunrise is at 5:48am on October 26; the latest sunset is at 6:21pm on October 1; the latest sunrise is at 6:47am on October 25; the earliest sunset is at 4:47pm on October 31.
Daylight savings time (DST) ends at 12:00am on October 26, 2012, shifting sunrise and sunset to an hour earlier.
The median cloud cover ranges from 9% (clear) to 23% (mostly clear). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 14% 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 79% of the time, and overcast or mostly cloudy 3% of the time.
On October 31, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 29% of the time, and clear or mostly clear 52% 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 18% of days. Precipitation is least likely around October 1, occurring in 8% of days.
Throughout October, the most common forms of precipitation are moderate rain, light rain, thunderstorms, and drizzle.
Moderate rain is the most severe precipitation observed during 56% of those days with precipitation. It is most likely around October 31, when it is observed during 10% of all days.
Light rain is the most severe precipitation observed during 18% of those days with precipitation. It is most likely around October 30, when it is observed during 3% of all days.
Thunderstorms are the most severe precipitation observed during 14% of those days with precipitation. They are most likely around October 25, when it is observed during 2% of all days.
Drizzle is the most severe precipitation observed during 11% of those days with precipitation. It is most likely around October 27, when it is observed during 2% 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 28% (dry) to 79% (humid) over the course of a typical October, rarely dropping below 16% (dry) and reaching as high as 100% (very humid).
The air is driest around October 3, at which time the relative humidity drops below 35% (comfortable) three days out of four; it is most humid around October 31, rising above 65% (mildly 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 39Â°F (dry) to 58Â°F (comfortable) and is rarely below 31Â°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 11 mph (calm to gentle breeze), rarely exceeding 18 mph (fresh breeze).
The highest average wind speed of 4 mph (light breeze) occurs around October 31, at which time the average daily maximum wind speed is 11 mph (gentle breeze).
The lowest average wind speed of 4 mph (light breeze) occurs around October 14, at which time the average daily maximum wind speed is 11 mph (gentle breeze).