Muscat climate

Muscat is warmest in June, with average highs of 38 °C, and coldest in January, when nights average 16 °C. March is the wettest month (18 mm) and September the driest (0.2 mm). Figures are 1991–2020 climate normals.

Across a full year Muscat averages 98 mm of rain and 311 days above 25 °C.

Oman · population 797,000 · 1991–2020 normals

  1. Jan 20°
  2. Feb 22°
  3. Mar 24°
  4. Apr 29°
  5. May 33°
  6. Jun 34°
  7. Jul 34°
  8. Aug 33°
  9. Sep 31°
  10. Oct 29°
  11. Nov 25°
  12. Dec 22°

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

What to expectMuscat through the year

Muscat has a clear annual cycle: average daily highs run from 24 °C in January to 38 °C in June, a swing of 14 °C in mean temperature across the year.

Counted across a normal year, 311 days a year reach 25 °C, 223 of them reach 30 °C. The warmest reading in the 1991–2020 record is 46 °C, in June.

Rain is spread fairly evenly through the year, from 0 mm in September to 18 mm in March. There is no dry season to aim for.

The sea off Muscat is warmest in June at 32 °C and coldest in February at 24 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month Avg high Rainfall Cloud
January 23.7 °C 18 mm 23 %
February 25.3 °C 11 mm 18 %
March 28.1 °C 18 mm 23 %
April 32.6 °C 7 mm 22 %
May 36.7 °C 1 mm 11 %
June 37.6 °C 10 mm 12 %
July 36.7 °C 4 mm 31 %
August 35.7 °C 1 mm 25 %
September 34.8 °C under 1 mm 10 %
October 33.0 °C 1 mm 6 %
November 28.6 °C 13 mm 13 %
December 25.2 °C 14 mm 19 %

Temperature month by month

MonthAvg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January23.7 °C16.4 °C20.2 °C31.2 °C9.8 °C900
February25.3 °C17.5 °C21.6 °C35.4 °C9.3 °C1610
March28.1 °C20.0 °C24.3 °C36.7 °C13.4 °C2680
April32.6 °C24.0 °C28.8 °C41.6 °C16.1 °C30250
May36.7 °C27.9 °C32.8 °C44.2 °C20.5 °C31310
June37.6 °C29.4 °C34.0 °C46.1 °C24.3 °C30300
July36.7 °C29.7 °C33.7 °C44.9 °C25.8 °C31310
August35.7 °C28.5 °C32.6 °C41.3 °C23.8 °C31310
September34.8 °C26.7 °C31.2 °C39.8 °C21.8 °C30300
October33.0 °C24.4 °C28.9 °C38.3 °C18.9 °C31300
November28.6 °C21.0 °C24.9 °C34.0 °C16.3 °C2970
December25.2 °C18.1 °C21.7 °C32.0 °C10.7 °C1700

Rain, sun and wind month by month

MonthRainfallWet daysDaylightCloud coverHumidityWindSea temp
January18 mm211 h/day23 %65 %16 km/h23.9 °C
February11 mm111 h/day18 %61 %17 km/h23.5 °C
March18 mm212 h/day23 %56 %17 km/h24.4 °C
April7 mm113 h/day22 %46 %18 km/h27.0 °C
May1 mm013 h/day11 %40 %18 km/h30.0 °C
June10 mm014 h/day12 %47 %17 km/h31.5 °C
July4 mm013 h/day31 %54 %16 km/h31.2 °C
August1 mm013 h/day25 %56 %15 km/h30.5 °C
Septemberunder 1 mm012 h/day10 %55 %16 km/h30.1 °C
October1 mm012 h/day6 %52 %16 km/h29.7 °C
November13 mm111 h/day13 %60 %15 km/h27.8 °C
December14 mm211 h/day19 %64 %15 km/h25.4 °C

How Muscat compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination Summer high Winter low Rain per year Days above 25 °C
Muscat 38 °C 16 °C 98 mm 311
‘Ibrī · Oman 43 °C 11 °C 53 mm 331
Al Ain City · United Arab Emirates 43 °C 12 °C 51 mm 319
Ras Al Khaimah · United Arab Emirates 39 °C 17 °C 95 mm 296
Dubai · United Arab Emirates 43 °C 13 °C 68 mm 316
Sharjah · United Arab Emirates 41 °C 15 °C 78 mm 307

Where Muscat ranks

Planning a trip? See the best time to visit Muscat.

QuestionsCommon questions about Muscat’s climate

When is the best time to visit Muscat?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, December sit closest to 20 °C on average, June is the warmest month and September the driest. The month-by-month table above has the full picture.

How hot does Muscat get?

In June, the warmest month, daily highs average 38 °C. About 223 days a year pass 30 °C. The highest value in the 1991–2020 record is 46 °C.

How cold does it get in winter?

Nights average 16 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Muscat?

March, averaging 18 mm over 2 days with rain. The driest month is September with 0 mm. The year as a whole averages 98 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Muscat rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.