Last updated: January 18, 2025
The climate of Jerash, Jordan, is classified under the Köppen-Geiger system as BSk, indicating a cold semi-arid climate. This unique climatic zone is characterized by a seasonal temperature variation that ranges dramatically from a minimum of -3°C (28°F) in January to an impressive maximum of 43°C (110°F) during the peak of August. On average, the region enjoys a mild temperature of around 20°C (67°F), contributing to its distinct seasonal patterns and shaping local ecosystems and human activities.
Jerash, Jordan experiences a pronounced seasonal temperature pattern, beginning with chilly winters, where January and February see minimum temperatures plunging to as low as -3°C (28°F) and average temperatures around 10°C (50°F). As spring approaches, temperatures gradually rise, with March averaging 14°C (57°F) and reaching a maximum of 33°C (91°F). The transition into summer is marked by significantly warmer conditions; by June, the average temperature climbs to 25°C (78°F), hitting highs of 40°C (104°F) in July and August, the warmest months, with August peaking at 43°C (110°F). As autumn sets in, temperatures start to cool, particularly in October and November, where averages drop to approximately 23°C (73°F) and 17°C (63°F), respectively. This seasonal progression highlights the stark contrasts between the cooler months and the intense heat of summer, defining the climate of Jerash.
Jarash experiences a wide range of temperatures throughout the year, with January seeing a minimum of -3°C (28°F) and August reaching a maximum of 42°C (108°F). For more detailed insights into the monthly temperatures in Jarash, you can visit monthly temperatures in Jarash.
The precipitation patterns in Jerash, Jordan, reveal a distinct seasonal cycle, with the majority of rainfall concentrated in the winter months. January through March experience the highest levels of rainfall, averaging approximately 45 mm (1.8 in) per month and contributing to around 7 days of precipitation during this period. This trend begins to decline in April, where precipitation drops to 28 mm (1.1 in), and subsequently, May records a significant decrease to just 8 mm (0.3 in).
As Jerash transitions into summer, the region faces a considerable reduction in rainfall, with June, July, and August seeing negligible amounts, often at 0 mm. September marks a slight return with 1 mm (0.0 in), followed by minimal precipitation in October and November, where totals reach 7 mm (0.3 in) and 18 mm (0.7 in), respectively. December again sees an uptick in precipitation with 31 mm (1.2 in) over approximately 6 days, concluding the year within a broader dry spell that dominates the summer months.
In Jerash, Jordan, the sunshine duration exhibits a clear seasonal pattern, characterized by a steady increase from the winter months into the summer. January begins the year with 225 hours of sunshine, gradually rising to 274 hours in February. As the region transitions into spring, March and April see an impressive uptick, reaching 331 hours and 352 hours respectively, marking a noticeable shift toward longer daylight and milder weather. By May, the sunshine hours peak further at 392 hours, heralding the arrival of summer.
The peak sunshine duration occurs in July, with an impressive 408 hours of bright sunshine, followed closely by August, which records 387 hours. However, as summer wanes, sunlight hours begin to decrease steadily into autumn, with September dropping to 347 hours and continuing to decline through October, November, and December, finishing the year at 274 hours. This progression underscores not only the abundance of sunshine during the warmer months but also a significant contrast with the shorter, cloudier winter days, making Jerash an alluring destination for sun-seekers in the peak season.
The UV Index in Jerash, Jordan, showcases significant seasonal variation, reflecting the intensity of sun exposure throughout the year. In the cooler months of January and December, the UV Index registers at 4, categorized as moderate, allowing for a burn time of approximately 30 minutes. However, as spring approaches, there is a noticeable escalation in UV radiation, with February increasing to a 6 (high exposure) and a reduced burn time of 25 minutes. By March and April, the UV Index reaches 8 and 10 respectively, both classified as very high, with a burn time of just 15 minutes, urging caution for outdoor activities.
The summer months demonstrate an even more dramatic peak, with May and June experiencing the highest levels of UV exposure, marked at 11 and 12, categorized as extreme. During this period, individuals have a mere 10 minutes before skin damage can occur, necessitating protective measures. July and August maintain this extreme status with UV Index readings of 11. As autumn sets in, September and October reflect a gradual decline back to 10 and 8, still within the very high category, while November and December return to moderate safety levels with an Index of 5 and 4, restoring longer safe exposure times. This cyclical variation highlights the importance of sun safety measures, especially during the peak summer months.
UV Risk Categories
The daylight duration in Jerash, Jordan, reveals a characteristic seasonal pattern, beginning with shorter days in winter. In January, daylight lasts for about 10 hours, and this duration slightly increases to 11 hours in both February and March as the region transitions into spring. The arrival of April marks a more significant shift, with daylight extending to 12 hours, followed by May's longer days of 13 hours. This gradual increase highlights the refreshing change as temperatures rise and nature awakens.
As the summer solstice approaches, Jerash experiences the longest days of the year, with both June and July boasting 14 hours of daylight. This abundance of sunlight provides ample opportunities for outdoor activities and exploration. However, as summer begins to wane, daylight starts to decrease again, falling to 13 hours in August and tapering off to 12 hours in September. By October, the daylight hours reduce to 11, and the cycle concludes with shorter days in November and December, returning to 10 hours for the winter months. This rhythmic fluctuation emphasizes the dynamic relationship between daylight and the changing seasons in Jerash.
The climate in Jarash, Jordan, features hot summers and mild winters, with temperatures ranging from -3°C (28°F) in January to a peak of 42°C (108°F) in August. Rainfall is minimal during the summer months, with July and August experiencing no precipitation, while the wettest months are January and February, each receiving around 41 mm (1.6 in) of rain. The region enjoys abundant sunshine, especially from June to August, with July boasting the highest at 409 hours. Overall, Jarash experiences a rich variety of weather throughout the year, making it a unique destination. For more details, visit Jarash climate.
In conclusion, the climate of Jerash, Jordan, presents a unique interplay of temperature variations, precipitation patterns, sunshine duration, UV index, and daylight length throughout the year. The region experiences warm summers characterized by high temperatures and abundant sunshine, contrasted with cooler winters that offer shorter days and moderate UV exposure. The pronounced seasonal changes not only shape the local ecosystem but also influence the activities and lifestyles of its residents. Understanding these climate dynamics highlights Jerash as a destination where visitors can enjoy the vibrant seasonal shifts, each offering its own distinct charm and opportunities for exploration.