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Monthly climate in Mostaganem, Algeria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mostaganem features a hot semi-arid climate (BSh). Temperatures typically range between 13 °C (56 °F) and 27 °C (80 °F) through the year, but rarely can drop to 8 °C (47 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 373 mm (14.7 inches) and receives 54 rainy days on the 1 mm (0.04 inches) threshold annually. Mostaganem enjoys an average of 3970 hours of sunshine throughout the year, and daylight varies from 9 hours 44 minutes to 14 hours 32 minutes per day.

Monthly average temperatures in Mostaganem, Algeria

The warmest months in Mostaganem are July, August and September, with daily mean temperatures ranging from 25 to 27 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 15 °C (56 - 59 °F) throughout the day. On average each year, Mostaganem experiences 89 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mostaganem. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(67°F)		23°C
(74°F)		25°C
(77°F)		24°C
(75°F)		30°C
(86°F)		33°C
(91°F)		31°C
(87°F)		33°C
(92°F)		32°C
(89°F)		30°C
(86°F)		28°C
(83°F)		21°C
(70°F)
Mean maximum18°C
(64°F)		20°C
(68°F)		23°C
(74°F)		23°C
(73°F)		28°C
(82°F)		28°C
(82°F)		30°C
(86°F)		31°C
(89°F)		30°C
(86°F)		28°C
(82°F)		25°C
(77°F)		20°C
(68°F)
Average high15°C
(60°F)		16°C
(62°F)		17°C
(63°F)		18°C
(65°F)		22°C
(71°F)		24°C
(76°F)		27°C
(81°F)		28°C
(83°F)		27°C
(80°F)		23°C
(74°F)		19°C
(67°F)		17°C
(62°F)
Daily mean13°C
(56°F)		14°C
(58°F)		15°C
(60°F)		17°C
(62°F)		20°C
(68°F)		22°C
(73°F)		25°C
(78°F)		27°C
(80°F)		25°C
(77°F)		21°C
(71°F)		17°C
(63°F)		15°C
(59°F)
Average low11°C
(53°F)		12°C
(54°F)		13°C
(56°F)		15°C
(59°F)		18°C
(64°F)		21°C
(70°F)		23°C
(74°F)		25°C
(77°F)		23°C
(74°F)		19°C
(67°F)		16°C
(60°F)		13°C
(56°F)
Mean minimum9°C
(48°F)		10°C
(50°F)		10°C
(51°F)		12°C
(54°F)		15°C
(59°F)		19°C
(66°F)		21°C
(70°F)		23°C
(74°F)		20°C
(67°F)		15°C
(60°F)		12°C
(54°F)		10°C
(50°F)
Minimum8°C
(47°F)		9°C
(48°F)		9°C
(48°F)		11°C
(53°F)		13°C
(55°F)		18°C
(64°F)		20°C
(69°F)		22°C
(72°F)		17°C
(63°F)		11°C
(52°F)		11°C
(52°F)		9°C
(48°F)

Compare climate in Mostaganem with other places

Compare temperature, precipitation, sunshine, UV index in Mostaganem, Algeria with other places around the world.

Monthly average precipitation in Mostaganem, Algeria

Mostaganem usually has the most precipitation in January, November and December, with an average of 8 rainy days and 61 mm (2.4 inches) of precipitation per month. The driest months in Mostaganem are June, July and August. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mostaganem. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)63 (2.5)22 (0.9)51 (2.0)44 (1.7)17 (0.7)4 (0.1)1 (0.0)2 (0.1)14 (0.6)35 (1.4)68 (2.7)52 (2.0)
Average precipitation days (≥ 1 mm)7488300024108

Monthly sunshine hours in Mostaganem, Algeria

The sunniest months in Mostaganem are May, June and July, when the sun shines an average of 12 hours 58 minutes a day. Least sunny months in Mostaganem: January, February and December receive an average of 8 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mostaganem. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours225280329348395396401381331324280276
Mean daily daylight hours10h 0m10h 52m11h 58m13h 6m14h 4m14h 32m14h 17m13h 27m12h 21m11h 14m10h 15m9h 44m

Solar UV radiation in Mostaganem, Algeria

Mostaganem experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Mostaganem UV Index data.

Average daily maximum UV levels by month for Mostaganem. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)357910111198743