Weather in Cairo

Cairo is in Egypt at 30.1°N. The 2001–2020 NASA POWER daily record describes a desert climate with almost no rain. August is the warmest month (average 30.2°C, high 38.4°C) and January is the coolest (average 12.9°C, low 6.8°C).

Rain is a year that totals only 60 mm of rain. The wettest month is November at 17 mm; the driest is August at 0 mm. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are April, May, and October.

When the score favours a visit

The three months with the highest comfort score are April, May, and October: April (21.3°C average, 9 mm, 45% humidity); May (25.5°C average, 0 mm, 40% humidity); October (24.4°C average, 5 mm, 56% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you prefer the hottest stretch, that is August. The coolest stretch is January.

Temperature through the year

Monthly average highs run from 19.0°C in January to 38.4°C in August. Nights follow the same curve: 6.8°C in January and 22.0°C in August.

Across the year the mean afternoon high is 29.8°C. If you want the smallest day–night shock, look at months where the high and low sit close together; August nights still hold 22.0°C.

Rainfall pattern

Cairo is dry. The whole year adds up to 60 mm. November is the “wet” month at 17 mm; August drops to 0 mm.

Humidity peaks near 62%. That usually lines up with the wetter months rather than the hottest ones.

Distinctive months in Cairo

The year bottoms out in January. Plan for 6.8°C at night and 19.0°C in the afternoon. March brings 7 mm and 1 rainy days; temperatures run from 10.0°C to 25.5°C. In April, Cairo averages 29.6°C by day and 13.0°C at night, with 9 mm of rain. May: 34.1°C high, 17.0°C low, 0 mm rain, 40% humidity. August is the warmest month. Afternoon highs average 38.4°C and nights settle near 22.0°C, with 0 mm of rain.

September: 35.8°C high, 20.2°C low, 0 mm rain, 50% humidity. October brings 5 mm and 1 rainy days; temperatures run from 17.5°C to 31.2°C. November is the wettest month — 17 mm and 1 rainy days, with 59% humidity. December: 20.8°C high, 9.1°C low, 7 mm rain, 62% humidity.

Cairo and other cities in Egypt

Alexandria is about 180 km away: Cairo is 1.3°C warmer than Alexandria in its hottest month and 45 mm drier over the year than Alexandria. Alexandria’s wettest month is January (23 mm) versus November here.