Weather and climate in Cairo, Egypt: monthly averages and best time for stargazing

Best for stargazingOct, Sep, NovMost clear, dark hours

Warmest monthJulyAverage high 38°C

Coolest monthJanuaryAverage low 6°C

Wettest monthNovember17 mm on average

What the weather is like in Cairo

The warmest month in Cairo is July, with average highs of 38°C. The coolest is January, when nights average 6°C. About 60 mm of rain and snow falls in a typical year, most in November and least in August.

Skies are clearest in September (14% average cloud cover) and cloudiest in February (42%). Combining cloud with the length of truly dark nights, October, September, November offer the most clear, dark hours for stargazing.

Clear, dark hours per night

6.4 Jan

5.9 Feb

5.9 Mar

5.1 Apr

5.2 May

5.5 Jun

5.8 Jul

6.2 Aug

7.7 Sep

7.9 Oct

7.3 Nov

6.8 Dec

Hours of full astronomical darkness in mid-month, multiplied by the average share of clear sky. A rough guide to how much good observing time a typical night offers.

Monthly averages

Month	High	Low	Precipitation	Cloud cover	Humidity	Wind	Dark hours
January	18°C	6°C	8 mm	40%	61%	9 km/h	10.8 h
February	20°C	7°C	7 mm	42%	56%	9 km/h	10.2 h
March	25°C	9°C	7 mm	37%	51%	10 km/h	9.4 h
April	29°C	13°C	9 mm	39%	45%	11 km/h	8.3 h
May	34°C	17°C	0 mm	29%	40%	12 km/h	7.3 h
June	37°C	20°C	0 mm	18%	40%	12 km/h	6.7 h
July	38°C	21°C	0 mm	17%	42%	11 km/h	7.0 h
August	38°C	22°C	0 mm	22%	45%	10 km/h	7.9 h
September	35°C	20°C	0 mm	14%	50%	11 km/h	9.0 h
October	31°C	17°C	5 mm	20%	56%	10 km/h	9.9 h
November	25°C	12°C	17 mm	31%	59%	9 km/h	10.6 h
December	20°C	8°C	7 mm	38%	62%	9 km/h	10.9 h

Climate averages: NASA POWER, 2001–2025, for the grid area around 30.00, 31.25 (about 50 km across). High and low temperatures are estimated from the monthly mean and the average daily range. Hills, coasts and cities can differ from the area average. Sources and methods.