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Monthly climate in Siwa Oasis, Egypt

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Siwa Oasis features a hot desert climate (BWh). Temperatures typically range between 12 °C (53 °F) and 31 °C (88 °F) through the year, but rarely can drop to 0 °C (33 °F) or can rise to as high as 45 °C (114 °F). The average annual precipitation amounts to about 14 mm (0.6 inches) and receives 0 rainy days on the 1 mm (0.04 inches) threshold annually. Siwa Oasis enjoys an average of 4039 hours of sunshine throughout the year, and daylight varies from 10 hours 17 minutes to 13 hours 58 minutes per day.

Monthly average temperatures in Siwa Oasis, Egypt

The warmest months in Siwa Oasis are June, July and August, with daily mean temperatures ranging from 30 to 31 °C (85 - 88 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 14 °C (53 - 58 °F) throughout the day. On average each year, Siwa Oasis experiences 202 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 Siwa Oasis. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(77°F)		29°C
(84°F)		37°C
(100°F)		42°C
(109°F)		44°C
(112°F)		43°C
(110°F)		45°C
(114°F)		42°C
(109°F)		40°C
(104°F)		36°C
(97°F)		32°C
(90°F)		26°C
(78°F)
Mean maximum22°C
(71°F)		26°C
(78°F)		32°C
(90°F)		38°C
(101°F)		42°C
(108°F)		40°C
(105°F)		42°C
(109°F)		41°C
(106°F)		39°C
(102°F)		35°C
(95°F)		29°C
(84°F)		23°C
(74°F)
Average high17°C
(64°F)		20°C
(68°F)		23°C
(75°F)		28°C
(83°F)		34°C
(93°F)		36°C
(97°F)		37°C
(99°F)		37°C
(99°F)		34°C
(94°F)		30°C
(87°F)		25°C
(77°F)		20°C
(68°F)
Daily mean12°C
(53°F)		14°C
(57°F)		17°C
(63°F)		22°C
(71°F)		27°C
(80°F)		30°C
(85°F)		31°C
(88°F)		31°C
(88°F)		28°C
(83°F)		24°C
(76°F)		18°C
(66°F)		14°C
(58°F)
Average low6°C
(44°F)		8°C
(46°F)		11°C
(51°F)		14°C
(58°F)		19°C
(66°F)		22°C
(72°F)		23°C
(74°F)		24°C
(75°F)		21°C
(71°F)		18°C
(65°F)		13°C
(55°F)		9°C
(48°F)
Mean minimum2°C
(36°F)		4°C
(40°F)		6°C
(44°F)		9°C
(48°F)		14°C
(58°F)		19°C
(67°F)		21°C
(70°F)		21°C
(71°F)		19°C
(66°F)		14°C
(57°F)		8°C
(47°F)		5°C
(41°F)
Minimum0°C
(33°F)		3°C
(38°F)		6°C
(42°F)		7°C
(45°F)		12°C
(54°F)		18°C
(64°F)		20°C
(68°F)		21°C
(69°F)		18°C
(65°F)		12°C
(54°F)		7°C
(45°F)		3°C
(38°F)

Compare climate in Siwa Oasis with other places

Compare temperature, precipitation, sunshine, UV index in Siwa Oasis, Egypt with other places around the world.

Monthly average precipitation in Siwa Oasis, Egypt

Siwa Oasis usually has the most precipitation in January, February and December, with an average of 0 rainy days and 3 mm (0.1 inches) of precipitation per month. The driest months in Siwa Oasis are July, August and September. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siwa Oasis. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)4 (0.2)3 (0.1)2 (0.1)1 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)1 (0.0)3 (0.1)
Average precipitation days (≥ 1 mm)000000000000

Monthly sunshine hours in Siwa Oasis, Egypt

The sunniest months in Siwa Oasis are May, June and July, when the sun shines an average of 12 hours 42 minutes a day. Least sunny months in Siwa Oasis: January, February and December receive an average of 8 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siwa Oasis. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours240284340351384384401380346331301293
Mean daily daylight hours10h 29m11h 9m12h 0m12h 52m13h 36m13h 58m13h 46m13h 8m12h 18m11h 25m10h 40m10h 17m

Solar UV radiation in Siwa Oasis, Egypt

Siwa Oasis experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Siwa Oasis UV Index data.

Average daily maximum UV levels by month for Siwa Oasis. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)5710111213121211975