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
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month June 38 °C
- Coldest month January 16 °C
- Driest month September 0 mm
- Wettest month March 18 mm
- Least cloud October 6 % cloud
- Hottest on record June 46 °C
- Coldest on record February 9.3 °C
- Warmest sea June 32 °C
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
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 23.7 °C | 16.4 °C | 20.2 °C | 31.2 °C | 9.8 °C | 9 | 0 | 0 |
| February | 25.3 °C | 17.5 °C | 21.6 °C | 35.4 °C | 9.3 °C | 16 | 1 | 0 |
| March | 28.1 °C | 20.0 °C | 24.3 °C | 36.7 °C | 13.4 °C | 26 | 8 | 0 |
| April | 32.6 °C | 24.0 °C | 28.8 °C | 41.6 °C | 16.1 °C | 30 | 25 | 0 |
| May | 36.7 °C | 27.9 °C | 32.8 °C | 44.2 °C | 20.5 °C | 31 | 31 | 0 |
| June | 37.6 °C | 29.4 °C | 34.0 °C | 46.1 °C | 24.3 °C | 30 | 30 | 0 |
| July | 36.7 °C | 29.7 °C | 33.7 °C | 44.9 °C | 25.8 °C | 31 | 31 | 0 |
| August | 35.7 °C | 28.5 °C | 32.6 °C | 41.3 °C | 23.8 °C | 31 | 31 | 0 |
| September | 34.8 °C | 26.7 °C | 31.2 °C | 39.8 °C | 21.8 °C | 30 | 30 | 0 |
| October | 33.0 °C | 24.4 °C | 28.9 °C | 38.3 °C | 18.9 °C | 31 | 30 | 0 |
| November | 28.6 °C | 21.0 °C | 24.9 °C | 34.0 °C | 16.3 °C | 29 | 7 | 0 |
| December | 25.2 °C | 18.1 °C | 21.7 °C | 32.0 °C | 10.7 °C | 17 | 0 | 0 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind | Sea temp |
|---|---|---|---|---|---|---|---|
| January | 18 mm | 2 | 11 h/day | 23 % | 65 % | 16 km/h | 23.9 °C |
| February | 11 mm | 1 | 11 h/day | 18 % | 61 % | 17 km/h | 23.5 °C |
| March | 18 mm | 2 | 12 h/day | 23 % | 56 % | 17 km/h | 24.4 °C |
| April | 7 mm | 1 | 13 h/day | 22 % | 46 % | 18 km/h | 27.0 °C |
| May | 1 mm | 0 | 13 h/day | 11 % | 40 % | 18 km/h | 30.0 °C |
| June | 10 mm | 0 | 14 h/day | 12 % | 47 % | 17 km/h | 31.5 °C |
| July | 4 mm | 0 | 13 h/day | 31 % | 54 % | 16 km/h | 31.2 °C |
| August | 1 mm | 0 | 13 h/day | 25 % | 56 % | 15 km/h | 30.5 °C |
| September | under 1 mm | 0 | 12 h/day | 10 % | 55 % | 16 km/h | 30.1 °C |
| October | 1 mm | 0 | 12 h/day | 6 % | 52 % | 16 km/h | 29.7 °C |
| November | 13 mm | 1 | 11 h/day | 13 % | 60 % | 15 km/h | 27.8 °C |
| December | 14 mm | 2 | 11 h/day | 19 % | 64 % | 15 km/h | 25.4 °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
| Ranking | Position | Value |
|---|---|---|
| Best beach destinations in Asia in March | 2ndof 50 | 99/100 |
| Best beach destinations in the world in March | 2ndof 50 | 99/100 |
| Warmest sea temperatures in Asia in June | 2ndof 50 | 32 °C |
| Warmest sea temperatures in the world in June | 2ndof 50 | 32 °C |
| Places with the best weather in Asia in January | 3rdof 50 | 97/100 |
| Places with the best weather in the world in January | 6thof 50 | 97/100 |
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
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- 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.