Last updated: January 18, 2025
The climate of Guelma, Algeria, is classified under the Koppen-Geiger system as Csa, indicating a Mediterranean climate characterized by dry, hot summers and mild, wet winters. Yearly temperature averages hover around 18°C (64°F), with notable extremes: the mercury plunges to a frosty -1°C (30°F) in January, while the summer peak can soar to a scorching 45°C (114°F) in August. These temperature dynamics underscore the region's dramatic seasonal contrasts, shaping both the local ecosystem and human activities throughout the year.
Guelma, Algeria, experiences marked seasonal temperature fluctuations, illustrating the region's Mediterranean climate. Winter months see minimum temperatures dipping to -1°C (30°F) in January, gradually rising by February, where averages reach 11°C (51°F). As spring unfolds, temperatures steadily increase, peaking in April with averages around 15°C (60°F) and maximums reaching 32°C (89°F). The onset of summer brings a significant rise, with July and August showcasing scorching averages of 28°C (83°F) and maximums soaring up to 45°C (114°F). Conversely, autumn brings a gradual cooling, with average temperatures falling to about 19°C (66°F) in October, culminating in December where daytime highs settle at 23°C (73°F). This progression highlights the region's transition from chilly winters to sweltering summers, punctuated by a mild spring and autumn.
Heliopolis, Guelma, and Boumahra Ahmed experience similar temperature ranges, with minimums dipping to -1°C (30°F) in January and soaring to a maximum of 45°C (114°F) in August. For more detailed information, you can check out the monthly temperatures in Heliopolis here, in Guelma here, and in Boumahra Ahmed here.
Guelma, Algeria, exhibits a distinct seasonal pattern in precipitation, primarily characterized by its wet winters and dry summers. The year begins with January and February experiencing similar rainfall levels, around 46 mm (1.8 in) and 45 mm (1.8 in), respectively. March marks a notable increase, with precipitation peaking at 77 mm (3.0 in) across approximately 11 days of rainfall. As spring progresses into April, the precipitation remains substantial at 74 mm (2.9 in), gradually tapering off by May, where rainfall decreases to 53 mm (2.1 in), primarily over 8 days.
The summer months see a stark reduction in rainfall, with July reporting a minimal 3 mm (0.1 in) of precipitation over zero rainy days, and June following closely with only 16 mm (0.6 in). As the season transitions into autumn, precipitation begins to rise again, with September receiving 45 mm (1.8 in) and October seeing a further increase to 66 mm (2.6 in). November and December maintain similar rainfall levels around 70 mm (2.8 in) with approximately 11 rainy days each, concluding the year with a return to the wetter conditions characteristic of Guelma's climate.
In Guelma, Algeria, sunshine duration exhibits an impressive increase as the year progresses, reflecting the region's transition from winter to summer. The year begins modestly, with January receiving 214 hours of sunlight, which gradually climbs to 271 hours in February. As spring approaches, March and April highlight a more significant surge, accumulating 315 hours and 336 hours, respectively. This upward trend continues into May, culminating in 375 hours of sunshine, setting the stage for the sun-soaked summer months.
The pinnacle of sunshine occurs in July, with an impressive 408 hours of bright light, making it the sunniest month of the year. This abundance persists into August, although a slight decline is noted with 377 hours recorded. As summer transitions to autumn, sunshine hours gradually recede, with September and October contributing 327 hours and 312 hours, respectively, before dipping further to 264 hours in November and 269 hours in December. These patterns underscore the vibrant contrast between the sun-drenched summer and the relatively subdued winter months, offering insights into Guelma's luminous climate.
The UV Index in Guelma, Algeria, showcases a notable seasonal variation, reflecting the increasing intensity of solar radiation from winter through summer. In the early months of the year, January and February register a moderate UV Index of 3 and 5, respectively, with recommended burn times of 30 minutes. However, as spring unfolds, there is a significant spike, particularly in April, with the Index reaching 9 (very high) and a burn time reduced to 15 minutes. This escalates further in May into summer, peaking at an extreme value of 11 in both June and July, where the burn time drops to just 10 minutes—a clear alert for heightened caution due to the potential for skin damage.
As summer transitions into autumn, the UV Index begins to decline, although values remain notably high. August sees the Index at 10, while September records 8, both categorized as very high with a burn time of 15 minutes. By October, the Index falls to 7 (high), lengthening the burn time back to 25 minutes. The year concludes with lower levels in November and December as the UV Index returns to moderate levels of 5 and 3, respectively, underscoring the variation in UV exposure throughout the year and emphasizing the importance of sun protection during peak summer months.
UV Risk Categories
In Guelma, Algeria, daylight duration varies throughout the year, reflecting the region's distinct seasonal changes. January marks the year’s shortest days, with only 9 hours of daylight, gradually increasing to 10 hours in February. As spring arrives, daylight continues to extend, reaching 11 hours in March and 13 hours in April. This trend peaks in May and remains stable through June and July, with each month enjoying 14 hours of sunlight, providing ample opportunity for outdoor activities and agricultural pursuits.
As summer wanes, daylight hours begin to decrease, transitioning into autumn. August sees a slight reduction to 13 hours, followed by 12 hours in September. This downward trend continues into October, where daylight is again 11 hours, before tapering off to 10 hours in November and returning to 9 hours by December. This cyclical pattern highlights the importance of seasonal changes in Guelma, with long summer days giving way to shorter winter periods, significantly influencing both daily life and the local climate.
The climate in Boumahra Ahmed, Algeria, features distinct seasonal variations, with mild winters and hot summers. January temperatures range from a minimum of -1°C (30°F) to a maximum of 24°C (75°F), while July sees much warmer conditions with highs reaching 43°C (110°F). Precipitation is highest in spring, particularly in March with 77 mm (3.0 in), while summer months experience significantly less rainfall. The region enjoys abundant sunshine throughout the year, peaking in July with 408 hours. For more detailed information, visit Boumahra Ahmed climate.
Guelma, Algeria experiences a Mediterranean climate characterized by hot summers and mild winters. January temperatures range from a minimum of -1°C (30°F) to a maximum of 24°C (75°F), while July and August can soar to highs of 43°C (110°F) and 45°C (114°F), respectively. Precipitation is predominantly seen in the winter and spring months, peaking in March with 77 mm (3.0 in), while summers remain relatively dry, especially in July with only 3 mm (0.1 in). The city enjoys ample sunshine throughout the year, with July receiving the highest hours at 408. For more detailed information, visit Guelma climate.
The climate of Heliopolis, Algeria, is characterized by a wide range of temperatures throughout the year, with January lows around -1°C (30°F) and highs reaching 45°C (114°F) in August. Precipitation is heaviest in March (77 mm) and decreases significantly during the summer months, particularly in July with only 3 mm. The region enjoys abundant sunshine, peaking in July with 408 hours. Overall, Heliopolis experiences a Mediterranean climate with hot, dry summers and mild, wetter winters. For more detailed information, visit Heliopolis climate.
In conclusion, Guelma, Algeria, presents a fascinating tapestry of climatic and environmental dynamics throughout the year. From the intense summer temperatures and abundant sunshine to the significant seasonal shifts in UV Index and daylight duration, the region offers a unique experience shaped by its Mediterranean climate. The interplay of these factors not only influences local ecology but also dictates lifestyle choices and agricultural practices. Understanding Guelma's climate is essential for residents and visitors alike, allowing for informed decisions that enhance safety and enjoyment in this vibrant Algerian locale.