Climate averages 1991–2020
Rustaq weather
in July.
A very hot, very dry month: the 2nd warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a very hot month in Rustaq: daytime highs average 41.7°C and nights cool to about 31.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 6.0 mm of rain on fewer than one day, which makes July a very dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 26 min on an average July day.
The nearest other city in this atlas is As Suwayq (51 km away). In July its highs average 39.9°C, 1.8°C cooler than Rustaq, with 3.8 mm of rain.
Among the 12 cities listed in Oman, Rustaq ranks 3rd of 12 for the warmest July highs and 10th of 12 for the driest July (rainfall, lowest first). The mean July high of those 12 cities is 38.9°C; Rustaq is 2.8°C warmer than that mean.
From July to August, average highs fall by 1.0°C to 40.8°C, and monthly rainfall falls from 6.0 mm to 1.0 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rustaq climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.6°C15.6°C | 15.6°C | 14 | 2.5 | 10.911 h |
| February | 27.1°C17.2°C | 17.2°C | 14 | 2.2 | 11.411 h |
| March | 30.7°C20.3°C | 20.3°C | 20 | 2.7 | 12.012 h |
| April | 36.2°C24.9°C | 24.9°C | 13 | 1.8 | 12.713 h |
| May | 40.9°C28.7°C | 28.7°C | 2.3 | 0.7 | 13.313 h |
| June | 42.3°C30.9°C | 30.9°C | 5.0 | 0.2 | 13.514 h |
| July, selected | 41.7°C31.5°C | 31.5°C | 6.0 | 0.4 | 13.413 h |
| August | 40.8°C30.6°C | 30.6°C | 1.0 | 0.3 | 12.913 h |
| September | 39.0°C28.7°C | 28.7°C | 1.7 | 0.3 | 12.312 h |
| October | 35.4°C25.3°C | 25.3°C | 2.7 | 0.7 | 11.612 h |
| November | 29.8°C20.9°C | 20.9°C | 11 | 1.3 | 11.011 h |
| December | 26.0°C17.5°C | 17.5°C | 14 | 2.2 | 10.711 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- As Suwayq in JulyOman · 51 kmHigh 39.9°C · Low 29.0°C · 3.8 mm rain
- Nizwá in JulyOman · 52 kmHigh 41.1°C · Low 28.5°C · 16 mm rain
- Samā’il in JulyOman · 55 kmHigh 41.5°C · Low 30.6°C · 9.6 mm rain
- Seeb in JulyOman · 84 kmHigh 36.8°C · Low 29.8°C · 3.7 mm rain
- ‘Ibrī in JulyOman · 95 kmHigh 42.4°C · Low 28.6°C · 5.7 mm rain
- Muscat in JulyOman · 103 kmHigh 36.5°C · Low 29.6°C · 4.2 mm rain
- Şaḩam in JulyOman · 103 kmHigh 38.4°C · Low 29.6°C · 5.2 mm rain
- Sohar in JulyOman · 129 kmHigh 39.0°C · Low 29.4°C · 3.6 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rustaq) is explained once on the Rustaq year overview and on the Sources, method and limits page.