Winter Weather in Hajīn Syria

Daily high temperatures are around 60°F, rarely falling below 47°F or exceeding 73°F. The lowest daily average high temperature is 55°F on January 13.

Daily low temperatures are around 41°F, rarely falling below 29°F or exceeding 51°F. The lowest daily average low temperature is 37°F on January 12.

For reference, on July 22, the hottest day of the year, temperatures in Hajīn typically range from 82°F to 106°F, while on January 12, the coldest day of the year, they range from 37°F to 55°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.

Las Vegas, United States (7,309 miles away) is the far-away foreign place with temperatures most similar to Hajīn (view comparison).

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The winter in Hajīn experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 33% throughout the season. The highest chance of overcast or mostly cloudy conditions is 36% on December 14.

The clearest day of the winter is February 13, with clear, mostly clear, or partly cloudy conditions 69% of the time.

For reference, on December 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 36%, while on August 20, 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. In Hajīn, the chance of a wet day over the course of the winter is essentially constant, remaining around 8% throughout.

For reference, the year's highest daily chance of a wet day is 9% on December 31, and its lowest chance is -0% on September 1.

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 in Hajīn is essentially constant, remaining about 0.4 inches throughout, and rarely exceeding 1.2 inches.

The highest average 31-day accumulation is 0.5 inches on February 1.

Over the course of the winter in Hajīn, 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, 25 minutes, implying an average daily increase of 57 seconds, and weekly increase of 6 minutes, 39 seconds.

The shortest day of the winter is December 21, with 9 hours, 50 minutes of daylight and the longest day is February 28, with 11 hours, 25 minutes of daylight.

The latest sunrise of the winter in Hajīn is 7:24 AM on January 7 and the earliest sunrise is 37 minutes earlier at 6:47 AM on February 28.

The earliest sunset is 5:05 PM on December 4 and the latest sunset is 1 hour, 6 minutes later at 6:11 PM on February 28.

Daylight saving time is not observed in Hajīn during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:03 AM and sets 14 hours, 29 minutes later, at 7:32 PM, while on December 21, the shortest day of the year, it rises at 7:20 AM and sets 9 hours, 50 minutes later, at 5:09 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 in Hajīn is essentially constant during the winter, remaining around 0% throughout.

For reference, on August 10, the muggiest day of the year, there are muggy conditions 2% of the time, while on January 1, 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 in Hajīn is increasing during the winter, increasing from 7.1 miles per hour to 8.3 miles per hour over the course of the season.

For reference, on July 1, the windiest day of the year, the daily average wind speed is 12.7 miles per hour, while on October 31, the calmest day of the year, the daily average wind speed is 6.7 miles per hour.

The hourly average wind direction in Hajīn throughout the winter is predominantly from the west, with a peak proportion of 40% on February 17.

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 in Hajīn typically lasts for 10 months (311 days), from around February 5 to around December 11, rarely starting after March 3, or ending before November 17.

The smallest chance that a given day will be within the growing season in Hajīn during the winter is 28% on January 10.

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 in Hajīn are very rapidly decreasing during the winter, decreasing by 6,698°F, from 6,847°F to 150°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 in Hajīn is rapidly increasing during the winter, rising by 1.7 kWh, from 3.0 kWh to 4.6 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 2.7 kWh on December 23.

For the purposes of this report, the geographical coordinates of Hajīn are 34.695 deg latitude, 40.831 deg longitude, and 597 ft elevation.

The topography within 2 miles of Hajīn is essentially flat, with a maximum elevation change of 49 feet and an average elevation above sea level of 585 feet. Within 10 miles is essentially flat (246 feet). Within 50 miles contains only modest variations in elevation (974 feet).

The area within 2 miles of Hajīn is covered by cropland (75%), within 10 miles by bare soil (58%) and cropland (29%), and within 50 miles by bare soil (88%).