UAE residents woke to gloomy skies on Sunday, with low cloud and high humidity.
Temperatures stood at about 35ºC but humidity of up to 80 per cent made it feel like 42ºC, global forecaster AccuWeather's charts showed.
The UAE's National Centre of Meteorology said there will be cloud throughout the week.
Highs of 44ºC on the coast and 48ºC in the desert interior are forecast.
There is a chance of rain on Monday and temperatures are predicted to fall to the high thirties or low forties but will rise again by Wednesday, NCM said.
The Gulf has experienced high humidity in recent weeks as the seasons change.
The height of the summer is typically very hot but with much lower humidity.
More humid weather returns in September ― dubbed Sweat-tember by residents ― when the level of moisture in the air reaches its peak.
The specs
Engine: 2.0-litre 4-cyl
Power: 153hp at 6,000rpm
Torque: 200Nm at 4,000rpm
Transmission: 6-speed auto
Price: Dh99,000
On sale: now
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Australia tour of Pakistan
March 4-8: First Test, Rawalpindi
March 12-16: Second Test, Karachi
March 21-25: Third Test, Lahore
March 29: First ODI, Rawalpindi
March 31: Second ODI, Rawalpindi
April 2: Third ODI, Rawalpindi
April 5: T20I, Rawalpindi
COMPANY PROFILE
Name: Cofe
Year started: 2018
Based: UAE
Employees: 80-100
Amount raised: $13m
Investors: KISP ventures, Cedar Mundi, Towell Holding International, Takamul Capital, Dividend Gate Capital, Nizar AlNusif Sons Holding, Arab Investment Company and Al Imtiaz Investment Group