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Hurghada in July and August: Heat, Sea and UV Guide for Boat Days

What 37°C really means on the Red Sea, how warm the water is, and how to arrange a summer day so the sea gets the morning and the desert gets the sunset.

· Facts last verified · Written by Magdy · Trip Planning

How hot is Hurghada in July and August?

According to NOAA's 1991-2020 normals, as tabulated on Wikipedia, the average daily high is 37.4°C in July and 37.5°C in August. Average lows are 27.8°C and 28.0°C. Record highs reached 44.5°C and 46.1°C. Humidity averages 45 to 46 percent, and rain is not a factor.

A normal is a 30-year average, so individual days run hotter or cooler. WeatherSpark, which uses NASA MERRA-2 model data, defines the hot season as 26 May to 22 September, when the average high is above 92°F (33°C). It also names August as the hottest month. Our best time to visit Hurghada guide covers the full year, so this page stays on summer.

Why do weather sites disagree about summer heat and UV?

Sites mix different data: station observations, satellite reanalysis models and tourism averages. The July high ranges from 34°C to 42°C across the pages we opened. The UV index is quoted as 8 on some pages and 11+ on another. Read the spread as method differences, not errors (our reading).

Source (opened 5 Oct 2026)July / August highUV index
NOAA normals via Wikipedia37.4 / 37.5°CNot given
climate-zone.com (NOAA station data)37 / 38°CNot given
WeatherSpark (NASA MERRA-2 model)96°F (about 35.6°C) in bothNot given
bestdateweather.com (ERA5, 10 years)Page shows 28-35°C and 29-35°C8
Vialala35-42°C (July)8
weather2travel.com34°C (July)11+

We anchor on NOAA because it is station-based and gives both months. For UV, the WHO says the advice at 8 and above is the same: avoid being outside during midday hours, seek shade, and wear a shirt, sunscreen and a hat. The Met Office page showed a UV index of 8 for Hurghada on 5 October 2026, so summer should not be lower.

How warm is the sea in July and August, and do you need a wetsuit?

According to seatemperature.info, which uses ten years of satellite and in-situ data, the sea averages 28.3°C in July and 29.1°C in August. The daily range is 25.7 to 30.9°C in July and 27.3 to 31.2°C in August. The PADI blog says a shorty or rash vest is enough at about 28°C.

A rash vest is a thin, close-fitting top that protects skin from sun and abrasion. For snorkelers, this matters more as sun cover than as warmth. We have not confirmed whether we rent or sell rash vests, so ask us before your trip. WeatherSpark gives mean wind of 13.7 mph in July and 14.5 mph in August, mostly from the north.

Shaded boat deck with tables and striped deck chairs
Shade on deck matters in summer: ask us what your boat offers

What is the best time of day for a boat trip, a rest and the desert?

Put the sea in the morning, rest around midday and go to the desert near sunset. The NHS advises avoiding the sun between 11am and 3pm. The WHO recommends sun protection during the four hours around solar noon. Our calculation puts solar noon near 12:50pm in mid-July, so that window is about 10:50am to 2:50pm.

Time of dayBest activityWhy
Morning, until about 11amBoat departure, snorkel stop or glass-boat reef viewingThe sun is lower and you are out before the NHS 11am-3pm window
About 11am to 3pmLunch and shade on board a full-day trip, or the hotel pool and a cool room after a half-day tripNHS and WHO both single out midday for avoiding sun
Mid to late afternoonEasy time: pool, shower, snack and a drinkTime to recover before an evening outing
Late afternoon to sunsetMountain safari with an evening departureSunset is 7:43pm on 1 July and 7:06pm on 31 August, so the desert is seen in softer light

Sunset times come from sunrise-sunset.org's 2026 tables: 7:41pm on 15 July, 7:34pm on 31 July, 7:33pm on 1 August and 7:22pm on 15 August. Pickup and departure times depend on the program and are confirmed after booking.

How do you avoid sunburn and heat illness on the water?

Follow public-health guidance: the NHS says to drink more cold drinks, wear light, loose clothing and avoid the sun from 11am to 3pm. CDC says to carry a water bottle and refill it. The NHS advises at least factor 30 sunscreen with at least 4-star UVA protection. We give no litre figure, because none of these pages sets one.

Hydration

The NHS says to drink enough that your pee is a pale colour. CDC says light yellow or clear usually means you are drinking enough. Both treat dark urine as a warning sign. The NHS also advises limiting alcohol in hot weather.

Sunscreen and cover

The NHS says adults need about 6 to 8 teaspoons to cover the whole body. Reapply after swimming and sweating, or every 2 hours. It also warns that water washes sunscreen off and reflects UV. Bring a wide-brimmed hat, a long-sleeved top and sunglasses.

Warning signs

Heat exhaustion is when the body overheats and loses water and salt. The NHS lists tiredness, dizziness, headache, nausea, heavy sweating with pale, clammy skin, and cramps. It says to move the person somewhere cool and give fluids. Heatstroke is a medical emergency: the NHS lists hot skin without sweating, confusion and fast breathing. Tell the crew straight away.

Which trips suit the heat, and which need careful timing?

Morning sea trips and the shorter reef-viewing trips suit summer best, while a safari needs an evening slot. The Orange Bay Island Trip is a full day with lunch on board. The glass boat and semi-submarine keeps you out of the water.

  • Orange Bay (€45): hotel pickup in the morning, a snorkel stop, beach time and lunch on board with soft drinks. Ask us about shade and fresh water on your boat.
  • Glass boat or semi-submarine (from €30): the reef viewed through glass, and you stay dry. Duration is confirmed on booking. See our glass boat vs semi-submarine comparison.
  • Mountain Safari (€35): a half-day or evening trip with a camel ride and Bedouin tea. Choose an evening departure for sunset; pickup time is confirmed after booking. See desert safaris compared.
  • Jungle Water Park (€50): full day with slides, pools and kids' areas. It is outdoors, so the sun rules above still apply.
Camels walking through desert hills near Hurghada
The desert is a better fit for the late afternoon than for midday

Who should take extra care in the heat?

Children, older people and people with long-term conditions should take extra care. The NHS says they are more at risk and should be checked on. CDC lists people aged 65 or older, and infants and young children, as higher-risk groups. The NHS says babies, children and older adults are more at risk of dehydration.

The NHS also advises keeping children under 6 months out of direct strong sunlight. Give us ages and health needs when you book, and we will suggest the right trip. For families, see our Hurghada with kids guide.

How does Divers Trips handle summer days?

We run the same trips all year, and the itinerary and stops can change with weather and sea conditions, according to our trip pages. We confirm pickup times, program and any separate environmental or park fees after booking. We have no fixed summer departure or return times to quote, so we confirm them for your date.

Tell us your hotel, dates and who is travelling on the booking page or contact us. Browse snorkeling and island trips if you want more sea options. Our FAQ page answers other common questions.

Sources

Facts last verified:

Frequently asked questions

Is Hurghada too hot in July and August?

It is very hot but manageable with planning. NOAA 1991-2020 normals show average highs of 37.4°C in July and 37.5°C in August. Do sea activities in the morning, rest from 11am to 3pm as the NHS advises, and save the desert for the evening. If heat worries you, April to early July suits better.

How warm is the sea in August?

According to seatemperature.info, the sea averages 29.1°C in August, with daily values between 27.3°C and 31.2°C. WeatherSpark gives about 82°F (28°C) and calls August the warmest month. PADI's blog says a shorty or rash vest is enough at about 28°C, so no thick wetsuit is needed.

What is the UV index in Hurghada in summer?

Sources disagree: bestdateweather.com and Vialala say 8 for July, while weather2travel.com says 11+. The WHO's advice at 8 and above is the same either way: avoid the midday hours, seek shade and wear a shirt, sunscreen and a hat. The Met Office showed UV 8 on 5 October 2026.

How much water should I drink on a boat trip?

The pages we opened set no litre figure, so we do not give one. The NHS says to drink enough that your pee is a pale colour, and CDC says to carry a water bottle and refill it. Light yellow or clear usually means you are drinking enough. Ask us what water your boat provides.

Are boat trips cancelled in summer heat?

Our trip pages say the itinerary and snorkeling stop can change with weather, sea conditions and the boat operator's daily schedule, and that safety comes first. We have no stated heat-cancellation policy to quote, so ask us for the current rule when you book. Wind and sea state are the usual deciders.

Is the mountain safari too hot in summer?

The safari is listed as a half-day or evening trip, and an evening departure puts you in the desert around sunset. Sunset is 7:43pm on 1 July and 7:06pm on 31 August, according to sunrise-sunset.org. Pickup time depends on the program and is confirmed after booking, so ask for an evening slot.