Climate averages 1991–2020
Rustaq weather
in April.
A very hot, very dry month: the 6th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a very hot month in Rustaq: daytime highs average 36.2°C and nights cool to about 24.9°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 13 mm of rain on roughly 2 days, which makes April a very dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 41 min on an average April day.
The nearest other city in this atlas is As Suwayq (51 km away). In April its highs average 35.4°C, 0.8°C cooler than Rustaq, with 2.3 mm of rain.
Among the 12 cities listed in Oman, Rustaq ranks 1st of 12 for the warmest April highs and 11th of 12 for the driest April (rainfall, lowest first). The mean April high of those 12 cities is 34.5°C; Rustaq is 1.7°C warmer than that mean.
From April to May, average highs rise by 4.7°C to 40.9°C, and monthly rainfall falls from 13 mm to 2.3 mm.
The annual picture
April 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, selected | 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 | 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
April in nearby cities
- As Suwayq in AprilOman · 51 kmHigh 35.4°C · Low 22.9°C · 2.3 mm rain
- Nizwá in AprilOman · 52 kmHigh 35.8°C · Low 22.3°C · 11 mm rain
- Samā’il in AprilOman · 55 kmHigh 35.7°C · Low 24.2°C · 19 mm rain
- Seeb in AprilOman · 84 kmHigh 32.5°C · Low 24.3°C · 1.3 mm rain
- ‘Ibrī in AprilOman · 95 kmHigh 35.7°C · Low 20.6°C · 8.9 mm rain
- Muscat in AprilOman · 103 kmHigh 32.4°C · Low 23.9°C · 7.0 mm rain
- Şaḩam in AprilOman · 103 kmHigh 34.4°C · Low 22.7°C · 2.7 mm rain
- Sohar in AprilOman · 129 kmHigh 35.0°C · Low 22.5°C · 6.3 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.