Climate and Average Weather Year Round in Hisya Syria

In Hisya, the summers are hot, arid, and clear and the winters are very cold, dry, and mostly clear. Over the course of the year, the temperature typically varies from 32°F to 93°F and is rarely below 26°F or above 98°F.

Based on the beach/pool score, the best time of year to visit Hisya for hot-weather activities is from late June to early September.

The hot season lasts for 3.8 months, from June 1 to September 25, with an average daily high temperature above 85°F. The hottest month of the year in Hisya is August, with an average high of 92°F and low of 63°F.

The cool season lasts for 3.4 months, from November 28 to March 7, with an average daily high temperature below 61°F. The coldest month of the year in Hisya is January, with an average low of 33°F and high of 53°F.

In Hisya, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Hisya begins around May 20 and lasts for 4.7 months, ending around October 9.

The clearest month of the year in Hisya is July, during which on average the sky is clear, mostly clear, or partly cloudy 100% of the time.

The cloudier part of the year begins around October 9 and lasts for 7.3 months, ending around May 20.

The cloudiest month of the year in Hisya is December, during which on average the sky is overcast or mostly cloudy 33% of the time.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Hisya varies throughout the year.

The wetter season lasts 5.6 months, from October 17 to April 6, with a greater than 10% chance of a given day being a wet day. The month with the most wet days in Hisya is January, with an average of 5.8 days with at least 0.04 inches of precipitation.

The drier season lasts 6.4 months, from April 6 to October 17. The month with the fewest wet days in Hisya is August, with an average of 0.1 days with at least 0.04 inches of precipitation.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The month with the most days of rain alone in Hisya is January, with an average of 5.5 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 19% on January 15.

Rainfall

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Hisya experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 5.9 months, from October 18 to April 13, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain in Hisya is January, with an average rainfall of 1.0 inches.

The rainless period of the year lasts for 6.1 months, from April 13 to October 18. The month with the least rain in Hisya is August, with an average rainfall of 0.0 inches.

The length of the day in Hisya varies significantly over the course of the year. In 2024, the shortest day is December 21, with 9 hours, 51 minutes of daylight; the longest day is June 20, with 14 hours, 28 minutes of daylight.

The earliest sunrise is at 5:20 AM on June 12, and the latest sunrise is 2 hours, 20 minutes later at 7:40 AM on January 8. The earliest sunset is at 5:22 PM on December 4, and the latest sunset is 2 hours, 27 minutes later at 7:49 PM on June 28.

Daylight saving time (DST) is not observed in Hisya during 2024.

The figure below presents a compact representation of key lunar data for 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.

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 perceived humidity level in Hisya, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 2% of 2% throughout.

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 Hisya experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 2.8 months, from May 25 to August 18, with average wind speeds of more than 7.6 miles per hour. The windiest month of the year in Hisya is July, with an average hourly wind speed of 8.8 miles per hour.

The calmer time of year lasts for 9.2 months, from August 18 to May 25. The calmest month of the year in Hisya is October, with an average hourly wind speed of 6.2 miles per hour.

The predominant average hourly wind direction in Hisya varies throughout the year.

The wind is most often from the west for 10 months, from January 4 to November 12, with a peak percentage of 77% on July 12. The wind is most often from the south for 1.7 months, from November 12 to January 4, with a peak percentage of 42% on January 1.

Hisya is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 3.3 months, from July 1 to October 10, with an average temperature above 79°F. The month of the year in Hisya with the warmest water is August, with an average temperature of 83°F.

The time of year with cooler water lasts for 4.0 months, from December 28 to April 29, with an average temperature below 67°F. The month of the year in Hisya with the coolest water is March, with an average temperature of 63°F.

To characterize how pleasant the weather is in Hisya throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best times of year to visit Hisya for general outdoor tourist activities are from mid May to mid July and from late August to mid October, with a peak score in the third week of September.

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Hisya for hot-weather activities is from late June to early September, with a peak score in the last week of July.

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

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 Hisya typically lasts for 8.4 months (257 days), from around March 19 to around December 1, rarely starting before February 25 or after April 13, and rarely ending before November 5 or after December 25.

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.

Based on growing degree days alone, the first spring blooms in Hisya should appear around March 3, only rarely appearing before February 19 or after March 22.

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 experiences extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.5 months, from May 9 to August 23, with an average daily incident shortwave energy per square meter above 7.6 kWh. The brightest month of the year in Hisya is June, with an average of 8.7 kWh.

The darker period of the year lasts for 3.4 months, from November 1 to February 13, with an average daily incident shortwave energy per square meter below 4.0 kWh. The darkest month of the year in Hisya is December, with an average of 2.9 kWh.

For the purposes of this report, the geographical coordinates of Hisya are 34.412 deg latitude, 36.759 deg longitude, and 2,559 ft elevation.

The topography within 2 miles of Hisya contains only modest variations in elevation, with a maximum elevation change of 344 feet and an average elevation above sea level of 2,575 feet. Within 10 miles contains only modest variations in elevation (3,297 feet). Within 50 miles also contains extreme variations in elevation (10,144 feet).

The area within 2 miles of Hisya is covered by bare soil (82%) and sparse vegetation (18%), within 10 miles by bare soil (49%) and sparse vegetation (28%), and within 50 miles by bare soil (48%) and cropland (24%).