Weather in Sharjah

July is the warmest month (average 36.0°C, high 40.6°C) and January is the coolest (average 20.5°C, low 17.5°C). That 15.5°C swing in monthly averages is the first thing to plan around in Sharjah.

Rain is a year that totals only 86 mm of rain. The wettest month is January at 23 mm; the driest is September at 1 mm. Sharjah is in United Arab Emirates at 25.3°N. The 2001–2020 NASA POWER daily record describes a desert climate with almost no rain. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are February, March, and December.

Rainfall pattern

Sharjah is dry. The whole year adds up to 86 mm. January is the “wet” month at 23 mm; September drops to 1 mm.

Humidity peaks near 61%. That usually lines up with the wetter months rather than the hottest ones.

How warm Sharjah gets

The heat peaks in July, when the typical afternoon is 40.6°C. The opposite pole is January, when mornings average 17.5°C.

Across the year the mean afternoon high is 33.0°C. If you want the smallest day–night shock, look at months where the high and low sit close together; July nights still hold 31.5°C.

What stands out month by month

The year bottoms out in January. Plan for 17.5°C at night and 23.6°C in the afternoon. March brings 16 mm and 3 rainy days; temperatures run from 20.0°C to 28.2°C. In April, Sharjah averages 32.3°C by day and 23.4°C at night, with 6 mm of rain. May: 36.8°C high, 27.0°C low, 1 mm rain, 50% humidity. Peak heat arrives in July: 40.6°C by day, 31.5°C at night, and 50% humidity.

September is the driest month, averaging only 1 mm across 0 rainy days. Highs sit near 38.6°C. October brings 2 mm and 1 rainy days; temperatures run from 27.2°C to 35.2°C. November stands apart from the months beside it: 30.0°C / 23.6°C and 8 mm. December: 25.8°C high, 19.8°C low, 14 mm rain, 59% humidity.

When the score favours a visit

The three months with the highest comfort score are February, March, and December: February (21.5°C average, 10 mm, 60% humidity); March (24.1°C average, 16 mm, 57% humidity); December (22.8°C average, 14 mm, 59% 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 July. The coolest stretch is January.

Sharjah and other cities in United Arab Emirates

Dubai is about 30 km away: Sharjah is about as warm as Dubai at the hot peak and a similar annual rainfall (84 mm in Dubai). Dubai’s wettest month is January (17 mm) versus January here.

Abu Dhabi is about 142 km away: Sharjah is about as warm as Abu Dhabi at the hot peak and a similar annual rainfall (63 mm in Abu Dhabi). Abu Dhabi’s wettest month is March (13 mm) versus January here.