Climate and monthly weather forecast
Tamanrasset, Algeria

Tamanrasset, located in Algeria, is encompassed by the BWh Köppen climate classification, indicating a subtropical desert climate. This classification describes the area's severe lack of rainfall and typically high temperatures. Monthly average temperatures fluctuate from lows of 5°C (41°F) to highs of 35°C (95°F), denoting a substantial range throughout the year.

The area experiences minimal rainfall, with an average varying between 1mm (0.04") to 8mm (0.31") throughout the year. Indeed, certain months are devoid of rainfall altogether, exhibiting the desert-like climate typical of Tamanrasset. Simultaneously, the number of rainfall days ranges from none to a mere two days in a month, highlighting the aridity of the region.

Hours of daylight in Tamanrasset gradually increase from 10.9 hours in January to a peak of 13.5 hours in June before gradually decreasing, supporting a consistent pattern in sunlight exposure. The region enjoys ample sunlight, boasting an average of 9 to 10 hours per day throughout the year. Correspondingly, the UV index escalates from 6 in December and January to a sharp zenith of 12 from April to August, underlining the intensity of the region’s sunlight.

Given the harsh climatic conditions, the best time to visit Tamanrasset lies between November and March when temperatures are relatively lower. During these months, the average temperature fluctuates between 5°C (41°F) and 7°C (44.6°F), rendering the climate considerably more agreeable for tourists. The months of December and January are particularly suitable for visitation, with the lowest UV index of 6 and 7, minimizing the risk of sunburn. Rainfall is at its lowest with just 1mm (0.04") to 2mm (0.08"), and daylight stretches from 10.8 to 11.4 hours, offering ample opportunities for daytime exploration.

The height of summer, from June to August, constitutes the most challenging time to visit Tamanrasset. During these months, average temperatures soar, reaching highs between 33°C (91.4°F) and 35°C (95°F). The combination of such high temperatures with a UV index peaking at 12 renders outdoor activities potentially hazardous. The rainfall also increases slightly during these months (from 4mm (0.16") to 6mm (0.24")), which, although minimal, could influence travel plans.

Spring in Tamanrasset, which spans from March to May, is characterized by warmer temperatures. Average highs escalate from 25°C (77°F) in March to 30°C (86°F) and 33°C (91.4°F) in April and May. Correspondingly, average lows follow a similar trend, climbing from 11°C (51.8°F) in March to 15°C (59°F) and 19°C (66.2°F) in April and May. Although there is a slight elevation in rainfall levels in May, the number of rainy days remains at a mere two.

Summers in Tamanrasset are severe, with temperatures soaring between 33°C (91.4°F) and 35°C (95°F) from June to August. The lowest average temperature during this period rests at 23°C (73.4°F), while UV index levels peak, maintaining a consistent 12. Although the rainfall levels slightly increase, ranging between 4mm (0.16") to 6mm (0.24"), the number of rainfall days remains minimal, presenting only a slight hindrance to visitors.

Autumn, encompassing September to November, signals the initiation of a cooling trend in Tamanrasset. The highest average temperatures swerve from 32°C (89.6°F) in September to 24°C (75.2°F) in November. Simultaneously, the lowest average temperatures decrease from 21°C (69.8°F) to 10°C (50°F) within the same period. Rainfall surges slightly in September and October. Certainly, a gateway in the transition from the harsh winter to the upcoming spring.
January, marked by an average high-temperature of 20°C (68°F) and a low-temperature of 5°C (41°F), is the coldest month. The months with the least rainfall in Tamanrasset are January and February Rain falls for 1 days and accumulates 1mm (0.04") of rain. The average length of the day in January is 10h and 55min.
On the first day of the month, sunrise is at 07:18 and sunset at 18:04. On the last day of January, in Tamanrasset, sunrise is at 07:17 and sunset at 18:24 CET. The months with the least sunshine are January, February, June, August through December, with an average of 9h of sunshine. In Tamanrasset, the average daily maximum UV index in January is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in January transforms into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.

With the progression into February, Tamanrasset, Algeria experiences a noticeable but minimal increase in temperature from the previous month. The sunlight duration extends slightly, allowing more warmth during the day. In this month, the least rainfall is recorded, merely one day, maintaining the arid condition prevalent in this part of the continent. Weather in February »

March, in Tamanrasset, Algeria, marks a distinct shift towards warmer weather conditions. Moving on from February, the heat escalates, reaching new heights, yet remaining comfortably soothing. The temperature highs peak at 25°C (77°F) in the day, complemented by an elevated UV index of 11. Weather in March »

April in Tamanrasset, Algeria brings a distinctive change as the city moves deeper into the warm season. Rising temperatures become more apparent, a significant move from the March weather, inducing an imminent sense of the approaching summer season. Weather in April »

May indicates the dawn of summer in Tamanrasset, Algeria. The sweltering African sun thoroughly engulfs the city, a clear departure from the preliminary heat in April. The city experiences an enhanced UV index of 12, offering a blazing environment. Weather in May »

June presents the height of summer in Tamanrasset, Algeria. The city is caught up in a tidal wave of hot air, complementing May's heat. A welcoming relief from the sweltering heat lies in the predictability of rainfall. Evidently, the year's highest temperature of 35°C (95°F) does not come without an increased rainfall of 4mm (0.16"). Weather in June »

July in Tamanrasset, Algeria, continues the trend of the searing summer season. The month replicates June’s peak temperatures, hence prolonging the hot period. The extended daylight and sunshine hours provide ample time for outdoor activities. Weather in July »

As August sets in Tamanrasset, Algeria, the summer heat slightly wanes. However, the city continues to experience soaring temperatures. A high UV index persists, indicating the prevalence of strong and consistent sunshine. The month sees a marginal increase in rainfall to a manageable 6mm (0.24"). Weather in August »

September brings a subtle transition in Tamanrasset, Algeria, as the heat begins to recede. The weather takes a slight turn from the severe summer heat, offering an initial relief from the scorching temperatures. With the reduction of daylight hours, a sign of an upcoming shift is unveiled. Weather in September »

October ushers in a noticeable shift in Tamanrasset, Algeria. The transition from excruciating summer heat is marked by a comfortable decrease in the region's temperatures. Sunshine hours decline, reciprocating the shorter daylight hours. Weather in October »

November signifies the onset of the cold season in Tamanrasset, Algeria. November's weather remains mild and manageable, a stark contrast to October's mild heat. Recorded temperatures register a significant decline further emphasizing the shift. Weather in November »

The final month of the year, December, deepens the cold season in Tamanrasset, Algeria. The onset of colder temperatures is affirmed by a further deterioration of weather conditions from November. Lounging under the less-intense sun becomes more common as the UV index drops to six. Weather in December »