Last updated: January 18, 2025
Deir ez-Zor, situated in the Syrian Arab Republic, exhibits a semi-arid climate classified under the Koppen-Geiger categories BWh (hot desert) and BSh (hot semi-arid). The region experiences extreme temperature fluctuations, with minimums plunging to -6°C (22°F) in February and peak summer highs soaring to 48°C (119°F) in July. On average, temperatures hover around 23°C (73°F), reflecting the area's harsh and arid conditions. This climate not only influences local ecosystems but also has significant implications for agriculture and water resource management in the region.
Deir ez-Zor experiences a distinctive temperature pattern characterized by significant seasonal variation. The winter months of January and February are marked by chilly nights, with minimum temperatures dropping to around -6°C (22°F), but daytime averages gradually rise to comfortable levels, reaching 12°C (53°F) in February. As spring approaches, temperatures steadily increase, peaking in April when highs reach 40°C (103°F). The transition into summer brings intense heat, with July and August recording maximum temperatures consistently around 48°C (119°F). Throughout this season, nightly lows remain relatively warm, above 20°C (68°F). As autumn sets in, temperatures gradually decline, culminating in milder conditions by November and December, where maximums revert to more moderate ranges of 27°C (81°F), marking a cyclical return to the cooler months. This pronounced seasonal shift emphasizes the extreme climatic conditions characteristic of Deir ez-Zor.
Deir ez-Zor experiences a temperature range from a minimum of -5°C (24°F) in February to a maximum of 48°C (118°F) in July, showcasing its extreme climate. Similarly, Al Mayadin has a slightly warmer minimum of -4°C (25°F) in February and reaches up to 48°C (119°F) in July, while Albu Kamal also records a February low of -4°C (26°F) and a peak of 48°C (119°F) in July. For more detailed monthly temperatures, you can visit monthly temperatures in Deir ez-Zor, monthly temperatures in Al Mayadin, and monthly temperatures in Albu Kamal.
Deir ez-Zor experiences a distinctively low annual precipitation pattern, characteristic of its semi-arid climate. The majority of rainfall occurs during the winter and early spring months, with January recording 17 mm (0.7 in) and February peaking slightly higher at 28 mm (1.1 in). March and April also contribute with similar amounts of 28 mm (1.1 in) and 22 mm (0.9 in), respectively. This winter precipitation typically manifests over a few days, with January to April averaging between 3 to 5 rainy days per month, allowing for limited moisture accumulation that sustains the local ecosystem.
As the region transitions into the summer months, precipitation virtually ceases, with June through September averaging 0 mm (0.0 in) of rainfall and no rainy days recorded. While October and November bring a slight reprieve with minimal rains of 4 mm (0.2 in) and 24 mm (0.9 in), the overall dry spells dominate the climate, underscoring the challenges posed by limited water resources. With such irregular distribution of rainfall, the agricultural practices and water management strategies in Deir ez-Zor are profoundly influenced by this arid precipitation regime.
In Deir ez-Zor, the sunshine duration follows a clear seasonal pattern, marked by a steady increase from the winter months through to the height of summer. January begins with 219 hours of sunshine, gradually climbing to 260 hours in February. The trend becomes increasingly pronounced in the spring, with March experiencing a notable jump to 314 hours and April reaching 340 hours. May and June maintain this upward trajectory, each boasting 384 hours of bright sunshine, highlighting the region’s shift towards summer as daylight becomes more abundant.
The peak sunshine months occur in July, with the region basking in 392 hours of sunlight, closely followed by August at 369 hours. As the summer wanes into September, sunshine hours slightly decline to 336 hours, but remain significant. The gradual decrease continues into the fall and winter months, with both October and November providing around 310 hours and 270 hours, respectively. By December, the total reduces to 257 hours, marking the return of shorter days. This pronounced seasonal variation not only enhances the warmth of the summer but also poses interesting implications for agricultural practices and energy consumption in Deir ez-Zor.
The UV Index in Deir ez-Zor reveals a significant seasonal variation, emphasizing the importance of sun protection during peak months. In January, the UV Index registers at 4, indicating a moderate risk level with a burn time of 30 minutes. As winter transitions into spring, the index climbs steadily, reaching 6 in February and peaking at 8 in March. April and May witness even higher values, with the UV Index hitting 9 and then soaring to 11 in late spring, categorizing it as extreme. This indicates a sharp decrease in safe sun exposure, with burn times shrinking to just 10 minutes during these peak times.
Summer months sustain the extreme UV levels, particularly in June and July at 11, while August slightly drops to 10, classified as very high. As autumn sets in, the UV Index gradually declines, marking 9 in September and falling further to 5 by November, with a return to moderate exposure levels. December concludes the year with a UV index of 3, reinforcing the necessity for UV awareness, particularly during the harsher months. Understanding these fluctuations not only fosters sun safety but also underscores the need for appropriate protective measures throughout the year.
UV Risk Categories
In Deir ez-Zor, daylight duration exhibits a clear yearly cycle that aligns closely with seasonal changes. During the winter months of January and February, the region experiences about 10 hours of daylight, which provides the shortest days of the year. As spring approaches, daylight begins to extend, with March seeing an increase to 11 hours. The trend of prolonged daylight continues into April and May, reaching 13 hours and creating a vibrant atmosphere as temperatures also begin to rise.
The peak duration of daylight occurs in June and July, where residents enjoy an enviable 14 hours of sunlight each day. Following this summer peak, daylight hours gradually decrease, with August maintaining 13 hours before a slight decline to 12 hours in September. October further reduces daylight to 11 hours, while November and December bring back shorter days that slip to 10 hours and a mere 9 hours, respectively. This rhythmic fluctuation in daylight duration not only influences the region's climate but also impacts daily activities, agriculture, and energy consumption throughout the year.
The climate in Al Asharah, Syrian Arab Republic, is characterized by hot summers and mild winters. Temperatures range from a minimum of -4°C (25°F) in February to a peak of 48°C (119°F) in July, with January averaging around 9°C (49°F). Precipitation is scarce, particularly in the summer months, with June to September receiving virtually no rain, while November and February are the wettest months. The region enjoys substantial sunshine, especially from May to July, with over 384 hours of sunshine each month. For more details, visit [AlAsharah climate](/climate/syrian-arab-republic/deir-ez-zor/al--asharah.html).
The climate in Al Busayrah, Syrian Arab Republic, is characterized by distinct seasons, with cold winters and hot, dry summers. January sees temperatures ranging from -2°C to 20°C, while July can reach highs of 48°C. Precipitation is minimal from June to September, contributing to a dry climate, with July and August recording no rainfall. The area enjoys abundant sunshine, especially in the summer months, peaking at 392 hours in July. For more detailed information, visit Al Busayrah climate.
Al Jala' in the Syrian Arab Republic experiences a wide temperature range throughout the year, with January lows of -4°C (25°F) rising to highs of 48°C (119°F) in July. The region is characterized by low precipitation, peaking in winter months with January's 15 mm (0.6 in) and February's 25 mm (1.0 in), while summer months see virtually no rainfall. With up to 390 hours of sunshine in July, the summers are long and hot, contrasted by cooler winters. For more detailed information, visit Al Jala' climate.
Al Kasrah, located in the Syrian Arab Republic, experiences a climate characterized by hot summers and mild winters. January temperatures range from -2°C to 20°C, while July sees soaring highs up to 47°C. Precipitation is minimal during summer months, with July and August receiving no rainfall, but January and February are relatively wetter, recording 22 mm and 32 mm respectively. Sunshine hours peak in July with 399 hours, contributing to the region's arid conditions. For more detailed information, visit Al Kasrah climate.
Al Mayadin, located in the Syrian Arab Republic, experiences a diverse climate characterized by hot summers and mild winters. Temperatures range from a minimum of -4°C (25°F) in February to a maximum of 48°C (119°F) in July, with average temperatures peaking at 35°C (95°F) in the summer months. Precipitation is quite low, particularly during the summer, with June through September receiving little to no rainfall. The region enjoys ample sunshine, particularly in July, which boasts up to 392 hours of sunlight. For detailed information on the climate, visit Al Mayadin climate.
Albu Kamal experiences a distinct climate characterized by hot summers and mild winters. Temperatures can soar to 48°C (119°F) in July and August, while winter months like January see lows of -2°C (29°F). The region receives most of its precipitation between January and March, with very little rainfall during the summer months. Abundant sunshine is noted throughout the year, peaking at 390 hours in July. For more details, visit Albu Kamal climate.
As Susah, located in the Syrian Arab Republic, experiences a continental climate characterized by hot summers and mild winters. January temperatures range from -2°C to 23°C, gradually increasing to a peak in July with highs reaching 48°C. Rainfall is minimal, predominantly occurring from November to March, with June through September being completely dry. The region enjoys abundant sunshine, especially in summer, with July seeing up to 390 hours. For more details, visit As Susah climate.
The climate in At Tibni, Syrian Arab Republic, exhibits a significant temperature range throughout the year, with January averaging 8°C (47°F) and peaking at 44°C (112°F) in July. Precipitation is largely concentrated in the winter months, with January receiving 24 mm, while summer months experience minimal to no rainfall. Sunshine hours are abundant, peaking at 403 hours in July, contributing to generally warm and dry conditions during the summer. For more detailed information, visit At Tibni climate.
Deir ez-Zor experiences a desert climate with hot summers and mild winters. January temperatures range from -1°C (30°F) to 20°C (68°F), while July sees highs of up to 48°C (118°F). Rainfall is minimal, primarily occurring from January to April, with July through September being completely dry. The city enjoys abundant sunshine, peaking in July with 392 hours of sunlight. For more detailed information, visit Deir ez-Zor climate.
Dhiban, located in the Syrian Arab Republic, experiences a hot desert climate characterized by extreme temperatures and minimal rainfall. Winter months, such as January and February, see mild averages around 9°C (49°F) and 12°C (53°F), but can drop to lows of -4°C (25°F). Conversely, summer temperatures peak dramatically in July and August, with averages reaching 35°C (95°F) and maximums soaring to 48°C (119°F). Precipitation is scarce, particularly from June to September, with very low rainfall averaging around 0 mm during these months. For more detailed information, visit Dhiban climate.
Hajin, located in the Syrian Arab Republic, experiences a significant temperature range throughout the year, with summer months reaching highs of up to 48°C (119°F) in July and cooler winters dropping to -4°C (25°F) in February. The region is characterized by minimal rainfall, particularly during the summer when precipitation can total zero, while the wettest months typically occur from January to March. Sunshine is abundant, with July seeing the most hours at 390. Overall, Hajin has a dry, hot climate marked by a marked contrast between summer and winter. For more details, visit Hajin climate.
Khusham, located in the Syrian Arab Republic, experiences a continental climate characterized by hot summers and mild winters. Temperatures range from a chilly -5°C (24°F) in February to a scorching 48°C (118°F) in July, with minimal precipitation mostly occurring in winter months. The area receives about 384 hours of sunshine from May through June, promoting hot and dry conditions during these peak summer months. For more detailed information, visit Khusham climate.
Muh Hasan, located in the Syrian Arab Republic, experiences a continental climate characterized by hot summers and mild winters. January temperatures can drop to -1°C (30°F) at night, with averages around 9°C (49°F), while July peaks at a scorching 48°C (118°F). Precipitation is low during the summer months, with June to September recording no rainfall, and most rainfall occurs from January to March. The region enjoys abundant sunshine throughout the year, especially from May to July, reaching up to 392 hours in July. For more details, see the Muh Hasan climate.
Subaykhan, located in the Syrian Arab Republic, experiences a diverse climate characterized by hot summers and mild winters. Temperatures range from a winter low of -4°C (24°F) in February to highs of 47°C (118°F) in July and August. Rainfall is minimal during the summer months, with June through September recording no precipitation, while January typically sees the highest at 15 mm (0.6 in). The region enjoys abundant sunshine, peaking at 391 hours in July. For more details, visit Subaykhan climate.
In conclusion, Deir ez-Zor's climatic characteristics—marked by its temperature extremes, minimal precipitation, abundant sunshine, high UV Index, and varying daylight duration—paint a comprehensive picture of life in this semi-arid region of the Syrian Arab Republic. The pronounced seasonal shifts, from the harsh winters with limited sunlight to the scorching summers that bring prolonged daylight and extreme UV exposure, necessitate adaptive strategies for agriculture, water management, and public health. As environmental conditions continue to evolve, understanding these patterns will be crucial for the community's resilience and sustainability, enabling informed decision-making amid the challenges posed by climate variability.