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Monthly climate in Diyarb Najm, Egypt

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Diyarb Najm features a hot desert climate (BWh). Temperatures typically range between 14 °C (58 °F) and 30 °C (86 °F) through the year, but rarely can drop to 4 °C (40 °F) or can rise to as high as 45 °C (114 °F). The average annual precipitation amounts to about 55 mm (2.2 inches) and receives 8 rainy days on the 1 mm (0.04 inches) threshold annually. Diyarb Najm enjoys an average of 4006 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Diyarb Najm, Egypt

The warmest months in Diyarb Najm are July, August and September, with daily mean temperatures ranging from 29 to 30 °C (84 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 14 to 17 °C (58 - 63 °F) throughout the day. On average each year, Diyarb Najm experiences 224 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 Diyarb Najm. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(83°F)		32°C
(90°F)		37°C
(98°F)		41°C
(106°F)		45°C
(114°F)		42°C
(107°F)		42°C
(108°F)		42°C
(108°F)		39°C
(102°F)		37°C
(100°F)		34°C
(93°F)		29°C
(84°F)
Mean maximum25°C
(77°F)		28°C
(83°F)		32°C
(90°F)		37°C
(99°F)		42°C
(108°F)		40°C
(103°F)		40°C
(104°F)		39°C
(102°F)		38°C
(100°F)		36°C
(96°F)		32°C
(89°F)		27°C
(81°F)
Average high20°C
(68°F)		22°C
(71°F)		24°C
(76°F)		29°C
(84°F)		34°C
(93°F)		36°C
(96°F)		37°C
(98°F)		36°C
(98°F)		35°C
(95°F)		32°C
(89°F)		27°C
(81°F)		23°C
(73°F)
Daily mean14°C
(58°F)		16°C
(60°F)		18°C
(65°F)		21°C
(71°F)		26°C
(79°F)		28°C
(83°F)		30°C
(86°F)		30°C
(86°F)		29°C
(84°F)		25°C
(78°F)		21°C
(71°F)		17°C
(63°F)
Average low10°C
(50°F)		11°C
(51°F)		13°C
(55°F)		15°C
(59°F)		19°C
(67°F)		22°C
(72°F)		24°C
(76°F)		25°C
(77°F)		24°C
(75°F)		20°C
(69°F)		16°C
(62°F)		13°C
(55°F)
Mean minimum6°C
(43°F)		7°C
(45°F)		9°C
(48°F)		12°C
(54°F)		16°C
(60°F)		20°C
(68°F)		23°C
(73°F)		22°C
(73°F)		21°C
(70°F)		17°C
(63°F)		13°C
(55°F)		9°C
(48°F)
Minimum4°C
(40°F)		6°C
(43°F)		6°C
(42°F)		9°C
(48°F)		15°C
(59°F)		17°C
(63°F)		22°C
(71°F)		22°C
(72°F)		19°C
(67°F)		16°C
(61°F)		12°C
(53°F)		7°C
(45°F)

Compare climate in Diyarb Najm with other places

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

Monthly average precipitation in Diyarb Najm, Egypt

Diyarb Najm usually has the most precipitation in February, March and October, with an average of 1 rainy days and 11 mm (0.4 inches) of precipitation per month. The driest months in Diyarb Najm are June, July and August. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Diyarb Najm. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)5 (0.2)13 (0.5)13 (0.5)3 (0.1)1 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)8 (0.3)5 (0.2)7 (0.3)
Average precipitation days (≥ 1 mm)131000000111

Monthly sunshine hours in Diyarb Najm, Egypt

The sunniest months in Diyarb Najm are May, June and July, when the sun shines an average of 12 hours 54 minutes a day. Least sunny months in Diyarb Najm: January, February and December receive an average of 8 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Diyarb Najm. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours233274335352391392404385343326291276
Mean daily daylight hours10h 23m11h 5m11h 59m12h 55m13h 42m14h 5m13h 53m13h 12m12h 18m11h 23m10h 35m10h 10m

Solar UV radiation in Diyarb Najm, Egypt

Diyarb Najm experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the 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 5. For more detailed information, check out our hourly Diyarb Najm UV Index data.

Average daily maximum UV levels by month for Diyarb Najm. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)569101111111010854