Your July weather guide

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Weather in Dubai in July

Dubai in July suits a holiday built around indoor comfort and short spells outside, not long days exploring on foot. Average daytime highs reach 42.4°C, nights only fall to 28.8°C, and the sea is 33°C, so even swimming offers limited cooling. For a UK traveller, the main question is heat tolerance rather than sunshine or rain. Go if you can plan around the heat; choose another month if outdoor time is the priority.

Long-term climate averages for Dubai, not a forecast · 1991-2020

Dubai, month by month

Your snapshot

At a glance

The useful details for Dubai.

Average daytime high
42.4°C
9 in 10 days stay below 45°C
Average night-time low
28.8°C
coldest 10% of nights: 26°C or lower
Compared with London
+20.6°C
London averages 21.8°C in July
Sea temperature
33.0°C
year to year: 32°C to 34°C
Sunshine per day (est.)
10.9h
81% of 13.4 h of daylight
Rainy days (1 mm+)
0
3 mm over the month
Humidity
50%
Days over 25°C
100%
100% over 30°C
Record high 1991-2020
47.8°C
2017-07-07
Record low 1991-2020
23.0°C
1991-07-19
Flight from London
≈ 7 h 36 min
5483 km, long-haul (estimate for a direct flight)

Records are observed extremes within 1991-2020, not typical holiday conditions. Warm-day percentages are shares of days, not day counts.

How July compares

July is the 2nd warmest month of the year in Dubai and ranks 1st of 134 destinations we compare for July - see where else is hot in July. Within United Arab Emirates it is 1st of 2 (United Arab Emirates in July). Against London's average high of 21.8°C in July, Dubai is 20.6°C warmer by day and 15.3°C warmer at night.

Daytime and night-time in July

The typical July day in Dubai peaks at 42.4°C, but that is an average: the warmest 10% of days reach 45.2°C or more. About 100% of days top 25°C and almost every pass 30°C. Nights average 28.8°C; one night in ten drops to 26.1°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest July day here reached 47.8°C (2017-07-07) and the coldest night 23.0°C (1991-07-19).

Rain in July

Dry (3 rainy days or fewer): about 0 days with 1 mm or more, 3 mm in total. Year to year it varies a lot - the wettest July was 1995 with 58 mm, the driest 1991 with 0 mm. Humidity averages 50%.

Sea temperature in July

The sea averages 33.0°C - warm enough to swim (22°c+). Depending on the year it ranges from 32.4°C to 33.7°C. For the warmest sea here, come in August (33.4°C).

Sunshine and daylight

Around 10.9 hours of sunshine a day (estimated from cloud cover), 13.4 hours of daylight: the sun rises about 05:38 and sets about 19:11 local time in mid-July. Average cloud cover is 19%.

Is July a good time to visit Dubai?

July is not the strongest month here: hot days with intense heat. The best months for Dubai on our scoring are November, December, February; months averaging 25°C or more: Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec.

Plan around the heat, not just the midday sun

July's heat is a substantial step up from a British summer: London's average daytime high is 21.8°C, compared with Dubai's 42.4°C. The hottest days can be more demanding still, with 10% reaching 45.2°C or above. Keep outdoor plans short and flexible, favour early mornings or evenings, and allow for breaks in air-conditioned spaces rather than relying on shade alone. Pack loose, lightweight clothing, sun protection and a refillable water bottle. Evenings are better for being outside than afternoons, but an average night low of 28.8°C means they are not cool. This is a poor fit if your ideal holiday involves walking outdoors for much of the day.

Plenty of sunshine, but little cooling from the sea

The sea is warm enough for comfortable entry, but at 33°C it is more like a warm bath than a refreshing break from the air. July therefore suits travellers who enjoy warm-water swimming, provided they are happy to keep time on the shore limited. With about 10.9 hours of sunshine a day, finding sunny weather is not the challenge; managing exposure is. Move swims towards the cooler parts of the day and keep shade and drinking water close at hand. Avoid treating a full day beside the water as the default plan: the combination of strong heat and warm sea leaves little opportunity to cool down outdoors.

A little perspective

Dubai through the year

July is highlighted. See how it compares with the rest of the year.

Monthly climate averages

Swipe sideways on a phone; the month stays in view.

Dubai monthly climate averages, 1991-2020; July is the selected month.
MonthDayNightSeaSun/dayRain mmRainy daysDays 25°C+
January24.0°C13.7°C22.0°C7.317236%
Februarybest25.9°C14.6°C21.3°C8.313257%
March29.2°C16.9°C22.6°C8.317284%
April34.4°C20.3°C25.3°C9.45198%
May39.2°C24.0°C28.9°C11.700100%
June41.4°C26.2°C31.7°C12.800100%
JulySelected42.4°C28.8°C33.0°C10.930100%
August42.6°C29.1°C33.4°C10.810100%
September40.3°C26.3°C32.8°C11.310100%
October36.4°C22.9°C31.0°C10.510100%
Novemberbest30.7°C19.0°C27.9°C9.03199%
Decemberbest26.2°C15.5°C24.4°C7.87168%

Day = average daytime high, night = average night-time low, 1991-2020.Sun is hours per day; rainy days count 1 mm or more.

Day, night and sea

Monthly average temperatures, 1991-2020

  • Day
  • Night
  • Sea
Bars show average daytime highs and night-time lows; circles mark the average sea temperature. Same scale for every month. Exact values are in the table.

Best months here

On warmth, low rainfall and sunshine, start with these.

Keep exploring

Similar in July

Closest matches on daytime temperature, sea temperature and sunshine, in other countries.

A little more detail

Dubai in July FAQs

Plain answers, grounded in the averages.

Is Dubai hot in July?

Dubai is hot in July: the average daytime high is 42.4°C and nights average 28.8°C. About 100% of July days reach 25°C or more.

Can you swim in the sea in Dubai in July?

The sea around Dubai averages 33.0°C in July, which is warm enough for most people to swim comfortably. Between 1991 and 2020 it ranged from 32°C to 34°C depending on the year.

How much does it rain in Dubai in July?

Dubai sees about 0 rainy days (1 mm or more) and 3 mm of rain in a typical July. The wettest July between 1991 and 2020 was 1995 (58 mm) and the driest was 1991 (0 mm).

How sunny is Dubai in July?

Dubai gets around 10.9 hours of sunshine a day in July out of 13.4 hours of daylight (estimated from average cloud cover).

How does Dubai compare with the UK in July?

Dubai is on average 20.6°C warmer than London by day in July (42.4°C against 21.8°C).

What is the hottest July on record in Dubai?

Between 1991 and 2020 the hottest July day in Dubai reached 47.8°C on 2017-07-07, and the coldest night dropped to 23.0°C on 1991-07-19.

Is rain likely to disrupt a July holiday?

Rain is unlikely to be the reason you change plans, with about 0 rainy days in a typical July. That does not guarantee completely rain-free weather, but heat is the much more important constraint when planning time outdoors.

Would another month be a better choice?

For a less heat-dominated holiday, November, December or February are better choices overall. July is best approached as a trip with indoor breaks and limited outdoor activity, rather than a time to spend most of the day outside.

About these averages

ERA5-Land climate reanalysis via Open-Meteo (11 km grid) and NOAA Coral Reef Watch 5 km sea temperatures, 1991-2020

Averages computed from daily values at Dubai. Sea temperature from the nearest 5 km sea cell, 10 km from that point. Sunshine hours are estimated from average cloud cover.Records are the highest and lowest daily values in that 30-year period, not all-time records. These are climate averages, not a forecast for your trip. How we measure holiday weather