Winter Weather at Amman Civil Airport Jordan

Daily high temperatures are around 57°F, rarely falling below 45°F or exceeding 71°F. The lowest daily average high temperature is 53°F on January 23.

Daily low temperatures are around 43°F, rarely falling below 33°F or exceeding 52°F. The lowest daily average low temperature is 40°F on January 24.

For reference, on August 1, the hottest day of the year, temperatures at Amman Civil Airport typically range from 70°F to 90°F, while on January 23, the coldest day of the year, they range from 40°F to 53°F.

The figure below shows you a compact characterization of the hourly average winter temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Opelika, United States (6,567 miles away) and Havelock, United States (6,098 miles) are the far-away foreign places with temperatures most similar to Amman Civil Airport (view comparison).

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The winter at Amman Civil Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 26% throughout the season. The highest chance of overcast or mostly cloudy conditions is 29% on December 11.

The clearest day of the winter is February 18, with clear, mostly clear, or partly cloudy conditions 76% of the time.

For reference, on December 11, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 29%, while on June 27, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 100%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Amman Civil Airport, the chance of a wet day over the course of the winter is gradually increasing, starting the season at 14% and ending it at 17%.

For reference, the year's highest daily chance of a wet day is 23% on February 6, and its lowest chance is 0% on July 6.

Over the course of the winter at Amman Civil Airport, the chance of a day with only rain remains an essentially constant 18% throughout, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the winter at Amman Civil Airport is gradually increasing, starting the season at 1.0 inches, when it rarely exceeds 2.5 inches or falls below 0.1 inches, and ending the season at 1.4 inches, when it rarely exceeds 3.2 inches or falls below 0.2 inches.

The highest average 31-day accumulation is 1.7 inches on February 1.

Over the course of the winter at Amman Civil Airport, the length of the day is rapidly increasing. From the start to the end of the season, the length of the day increases by 1 hour, 16 minutes, implying an average daily increase of 51 seconds, and weekly increase of 5 minutes, 59 seconds.

The shortest day of the winter is December 21, with 10 hours, 3 minutes of daylight and the longest day is February 28, with 11 hours, 29 minutes of daylight.

The latest sunrise of the winter at Amman Civil Airport is 7:37 AM on January 9 and the earliest sunrise is 33 minutes earlier at 7:04 AM on February 28.

The earliest sunset is 5:31 PM on December 3 and the latest sunset is 1 hour, 2 minutes later at 6:33 PM on February 28.

Daylight saving time is not observed at Amman Civil Airport during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:30 AM and sets 14 hours, 15 minutes later, at 7:45 PM, while on December 21, the shortest day of the year, it rises at 7:32 AM and sets 10 hours, 3 minutes later, at 5:36 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for the winter of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy at Amman Civil Airport is essentially constant during the winter, remaining around 0% throughout.

For reference, on August 17, the muggiest day of the year, there are muggy conditions 7% of the time, while on November 11, the least muggy day of the year, there are muggy conditions 0% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Amman Civil Airport is essentially constant during the winter, remaining within 0.4 miles per hour of 8.5 miles per hour throughout.

For reference, on July 14, the windiest day of the year, the daily average wind speed is 9.2 miles per hour, while on October 15, the calmest day of the year, the daily average wind speed is 7.0 miles per hour.

The highest daily average wind speed during the winter is 8.9 miles per hour on February 7.

The wind direction at Amman Civil Airport during the winter is predominantly out of the east from December 1 to January 4 and the west from January 4 to February 28.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season at Amman Civil Airport typically lasts for 12 months (357 days), from around January 20 to around January 11, rarely starting after February 29, or ending before December 12.

The winter at Amman Civil Airport is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season reaching a low of 47% on January 15.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days at Amman Civil Airport are very rapidly decreasing during the winter, decreasing by 5,205°F, from 5,306°F to 101°F, over the course of the season.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy at Amman Civil Airport is rapidly increasing during the winter, rising by 1.6 kWh, from 3.4 kWh to 5.0 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 3.1 kWh on December 23.

For the purposes of this report, the geographical coordinates of Amman Civil Airport are 31.973 deg latitude, 35.992 deg longitude, and 2,530 ft elevation.

The topography within 2 miles of Amman Civil Airport contains very significant variations in elevation, with a maximum elevation change of 827 feet and an average elevation above sea level of 2,569 feet. Within 10 miles also contains very significant variations in elevation (1,939 feet). Within 50 miles contains very significant variations in elevation (5,482 feet).

The area within 2 miles of Amman Civil Airport is covered by bare soil (71%) and sparse vegetation (28%), within 10 miles by bare soil (45%) and sparse vegetation (35%), and within 50 miles by bare soil (59%) and cropland (14%).