Weather and climate in Dubai, United Arab Emirates: monthly averages and best time for stargazing

Best for stargazingOct, Sep, NovMost clear, dark hours

Warmest monthAugustAverage high 39°C

Coolest monthJanuaryAverage low 17°C

Wettest monthJanuary17 mm on average

What the weather is like in Dubai

The warmest month in Dubai is August, with average highs of 39°C. The coolest is January, when nights average 17°C. About 84 mm of rain and snow falls in a typical year, most in January and least in July.

Skies are clearest in October (22% average cloud cover) and cloudiest in January (47%). 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

5.6 Jan

5.7 Feb

5.4 Mar

4.8 Apr

5.5 May

5.3 Jun

4.5 Jul

5.4 Aug

7.0 Sep

7.7 Oct

6.8 Nov

6.2 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	23°C	17°C	17 mm	47%	63%	12 km/h	10.6 h
February	24°C	18°C	8 mm	43%	62%	12 km/h	10.1 h
March	27°C	20°C	16 mm	43%	61%	12 km/h	9.5 h
April	31°C	23°C	9 mm	44%	58%	11 km/h	8.6 h
May	35°C	26°C	4 mm	30%	58%	12 km/h	7.8 h
June	37°C	29°C	4 mm	27%	60%	11 km/h	7.3 h
July	39°C	31°C	1 mm	40%	56%	11 km/h	7.6 h
August	39°C	32°C	1 mm	35%	52%	11 km/h	8.3 h
September	37°C	30°C	2 mm	23%	55%	10 km/h	9.1 h
October	34°C	27°C	1 mm	22%	56%	10 km/h	9.9 h
November	29°C	24°C	8 mm	34%	57%	11 km/h	10.4 h
December	25°C	20°C	14 mm	42%	62%	11 km/h	10.7 h

Climate averages: NASA POWER, 2001–2025, for the grid area around 25.00, 55.00 (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.