Muscat (Oman) weather in July

July in Muscat: sweltering, dry, with poor air quality — not the time — 43°C afternoons.

Updated September 2026 · climate normals from ERA5 reanalysis

Muscat🇴🇲 Oman · Arabia & the Gulf · City46
  1. 93Jan
  2. 89Feb
  3. 81Mar
  4. 70Apr
  5. 42May
  6. 36Jun
  7. 46Jul
  8. 53Aug
  9. 58Sep
  10. 66Oct
  11. 78Nov
  12. 87Dec

#10 of 12 months in Muscat · #1249 of 1413 destinations to visit in July · comfort 46/100 (tier F)

Days
37°C
Nights
31°C
Wet days
1
Sun
11.5 h
Humidity
59%
Daylight
13 h
Muscat, Oman
Photo: Eric Seddon · Pexels

Traveller notes on Muscat in July

Forum posters don't mince words about July: normal temperatures run 40-47C, dropping only into the mid-30s C overnight, and posters call it dangerously and uncomfortably hot rather than just warm. The city's surrounding mountains make it worse, not better - they absorb heat during the day and radiate it back out at night, so even shaded coastal hotels stay hot and humid around the clock. The consistent advice for anyone visiting anyway: do excursions as early as possible, avoid midday sun entirely, hydrate constantly, and watch for heat-stress symptoms especially in kids - or head inland to Nizwa and the Jebel Shams/Jebel Al Akhbar mountains, which posters describe as noticeably cooler than the city.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗

Other months in Muscat

Regulars are consistent this month sits right at the edge of the comfortable season here, decent weather generally holding from late September through April before the real heat sets in, with humidity already climbing and some days reaching well into the high 30s. Our row backs that hot, genuinely dry read, 34.3C reading as a hot 37C, over 25.4C nights, with rain minimal at 11.6mm across just 1.6 days and humidity at 47 percent. Regulars are specific that heading into the mountains or sticking close to the coast offers a genuinely drier version of the heat compared with being inland, worth factoring into where to base a trip this late in the season. The sea sits at a warm 27.2C, comfortably swimmable. The record: 11.6 hours of sun, a 17.7 kph wind and AQI 94.
MountainsAndCoastOfferDrierHeatOptions · April · 1 month ago · Read more on Tripadvisor ↗
November is the month the board recommends without qualification - wall-to-wall sun and a light sea breeze, the start of a window running through to February, after a summer they say plainly must be avoided. Their figures run 22 to 32C, with late November nearer 28C by day; our row averages 30.3C over 21.6C at 58.7 percent humidity, dry enough that 30C reads as 31C rather than worse. Rain is a rounding error, 4.5mm across 0.2 days. The sea is the detail worth carrying: 28.7C, warmer than the night air, which is why the boat trips and the snorkelling start again now. The record: 10 hours of sun, a 14.9 kph wind and AQI 70.
SeaWarmerThanTheNightAir · November · 1 month ago · Read more on Tripadvisor ↗
March is the end of the good run, which regulars put at late September to April with November to early March as its best part. They report the month arriving either way: sunny and 30C, or hazy and humid at 35 to 40C, sometimes with fog or cloud. Even at the top of that it stays workable - fine for a pool or a beach, and comfortable enough to sightsee and to eat outside after dark. Our row sits at the mild end, 29.6C over 21.5C at 56 percent humidity with a 25.5C sea, and rain is negligible at 12.7mm across 2.2 days. The figure nobody on the board raises is AQI 82. The record: 10.7 hours of sun and a 17.2 kph wind.
TheLastComfortableMonth · March · 1 month ago · Read more on Tripadvisor ↗
December is the month Oman regulars name as the best of the year, and their figures are almost exactly ours: 27C by day and 18C at night against our row's 26.8C and 18.1C, with full sun and effectively no rain - 8.2mm across 1.1 days. The sea is the part that surprises people. It sits around 23 to 26C, which they compare to the Mediterranean in July, and snorkelling and swimming are comfortable throughout. The one thing to pack against is the evening: a sea breeze comes up after dark and a wrap, a long-sleeved shirt or a light jacket earns its place, especially if you are eating outside. The record: humidity 63 percent, 9.8 hours of sun, a 26.4C sea and AQI 71.
MediterraneanInJulyWater · December · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Muscat's card on the map.

Muscat climate normals — July

Daytime high37°C / 98°F🔥 sweltering
Nighttime low31°C / 87°F
Feels like (high)43°C / 109°F
Sea temperature32°C / 89°F♨️ bath-warm
Rainfall7 mm / 0.3 in☀️ dry
Rainy days1 days
Humidity59%🍃 comfortable
Dew point26°C / 79°F
Sunshine11.5 h/day
Daylight13.4 h
Wind16 km/h / 10 mph
Air quality (US AQI)108😷 poor

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Muscat in July

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Quietschool holidays in 5 of the markets that fill it, one of its worst months for weather(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Muscat's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherMuscat's weather peaks December–February, best around January.

July coincides with Arabian Sea cyclone season.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Muscat in July

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Turtle nesting at Ras al-Jinz

    15 May – 30 Sep · usuallyBook early

    Green turtles come ashore all year on the eastern cape, but the summer months are the peak and the reserve runs its night and dawn walks accordingly. Book the night before.

  • Hazard

    Arabian Sea cyclone season

    15 May – 15 Nov · usuallyClosures

    Two risk windows, before and after the Indian monsoon, and most years pass without one. When a system does come in it closes the airport and the wadis fill in an afternoon. Source ↗

  • Season

    The humid summer

    1 Jun – 15 Sep · usuallyExtreme heat

    Coastal Muscat swaps the dry heat for humidity that makes the evening no better than the afternoon. Hotels run at their lowest rates and the wadis inland are the escape.

What's on around the world in July →

Nearby, and something's on

Within 300 km of Muscat — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Muscat?

Loading map…

Muscat in July — FAQ

Is July a good time to visit Muscat?
July in Muscat: sweltering, dry, with poor air quality — not the time — 43°C afternoons. It ranks #10 of 12 months for Muscat on SeasonMap's comfort score (46/100).
What is the weather like in Muscat in July?
In July, Muscat averages a daily high of 36.8°C and a low of 30.6°C, with about 7 mm of rain over roughly 0.6 rainy days.
What is the air quality in Muscat in July?
Muscat has a mean US Air Quality Index of about 108 in July.

Within 300 km: Nizwa's Date harvest around 1 Jul – 31 Aug.