The Emirates looks set for a very hot week with temperatures forecast to hit 46°C in Dubai on Monday.
In Abu Dhabi and Sharjah, the mercury is forecast to reach 45°C and remain in the mid-forties in the coming days.
The National Centre of Meteorology forecast maximum relative humidity to hit 85 to 90 per cent in the coastal cities, though it may be drier further inland.
Early summer temperatures have risen sharply in recent weeks, with a very humid start to June.
The country typically sees several weeks of high humidity in early and late summer - with a long dry stretch throughout July and August.
On Sunday, the weather centre recorded 51.8°C at 2.30pm in the Sweihan area of Al Ain.
The village and surrounding farmland is known as the hottest place in the country - and is often among the hottest places on the planet, including on Sunday.
On Time and Date.com, which reports global daily temperatures, Kuwait City was the hottest major urban centre on Sunday at 47°C, followed by Dubai.
The NCM forecast predicts high humidity and hazy conditions throughout the week.
Capital sweats as high humidity arrives - in pictures
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A man fishing near the Yas Iron Bridge in Abu Dhabi. Victor Besa / The National. -
Lorry drivers pull to the side of the road along the E10 overpass in Abu Dhabi because of foggy conditions on June 4, 2021. Victor Besa / The National. -
Anglers in the Yas Iron Bridge area in Abu Dhabi on June 4. Victor Besa / The National. -
Drivers of large vehicles keep to the slow lane during poor driving conditions in Abu Dhabi. Victor Besa / The National. -
Poor visibility for motorists on the E10 overpass area in Abu Dhabi on June 4. Victor Besa / The National. -
Foggy conditions in the Al Maqta area in Abu Dhabi. Victor Besa / The National. -
Anglers cross the Yas Iron Bridge in Abu Dhabi to get to their fishing spot. Victor Besa / The National. -
Improved visibility on a stretch of the E10 motorway during foggy weather in Abu Dhabi this week. Victor Besa / The National. -
Fog along the E10 motorway in Abu Dhabi, June 4, 2021. Victor Besa / The National. -
The fog-shrouded Al Maqta area in Abu Dhabi on June 4, 2021. Victor Besa / The National.
