Climate averages 1991–2020
Ar Rass weather
in April.
A hot, very dry month: the 7th warmest and the joint 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Ar Rass: daytime highs average 32.3°C and nights cool to about 17.3°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 13 mm of rain on roughly 3 days, which makes April a very dry month (the joint 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 45 min on an average April day.
The nearest other city in this atlas is Unaizah (56 km away). In April its highs average 32.0°C, about as warm as Ar Rass, with 16 mm of rain.
Among the 35 cities listed in Saudi Arabia, Ar Rass ranks joint 13th of 35 for the warmest April highs and joint 20th of 35 for the driest April (rainfall, lowest first). The mean April high of those 35 cities is 30.7°C; Ar Rass is 1.6°C warmer than that mean.
From April to May, average highs rise by 5.3°C to 37.7°C, and monthly rainfall falls from 13 mm to 1.7 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
Ar Rass climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.3°C6.3°C | 6.3°C | 13 | 2.4 | 10.711 h |
| February | 22.6°C8.1°C | 8.1°C | 5.9 | 1.1 | 11.311 h |
| March | 26.8°C12.2°C | 12.2°C | 14 | 2.2 | 12.012 h |
| April, selected | 32.3°C17.3°C | 17.3°C | 13 | 2.7 | 12.813 h |
| May | 37.7°C22.1°C | 22.1°C | 1.7 | 0.4 | 13.413 h |
| June | 40.8°C24.1°C | 24.1°C | 0 | 0.0 | 13.714 h |
| July | 41.7°C25.0°C | 25.0°C | 0 | 0.0 | 13.614 h |
| August | 42.1°C25.5°C | 25.5°C | 0 | 0.0 | 13.013 h |
| September | 39.4°C23.0°C | 23.0°C | 0.1 | 0.1 | 12.312 h |
| October | 33.9°C18.4°C | 18.4°C | 2.7 | 0.4 | 11.612 h |
| November | 25.8°C12.8°C | 12.8°C | 20 | 3.0 | 10.911 h |
| December | 20.7°C8.0°C | 8.0°C | 12 | 2.3 | 10.611 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
- Unaizah in AprilSaudi Arabia · 56 kmHigh 32.0°C · Low 17.4°C · 16 mm rain
- Buraydah in AprilSaudi Arabia · 70 kmHigh 32.5°C · Low 17.7°C · 13 mm rain
- Az Zulfī in AprilSaudi Arabia · 140 kmHigh 31.9°C · Low 18.1°C · 17 mm rain
- Ad Dawādimī in AprilSaudi Arabia · 176 kmHigh 31.4°C · Low 17.8°C · 18 mm rain
- Ha'il in AprilSaudi Arabia · 257 kmHigh 29.2°C · Low 14.7°C · 11 mm rain
- Riyadh in AprilSaudi Arabia · 350 kmHigh 33.1°C · Low 19.0°C · 14 mm rain
- Hafar Al-Batin in AprilSaudi Arabia · 376 kmHigh 32.3°C · Low 17.6°C · 9.9 mm rain
- Madinah in AprilSaudi Arabia · 421 kmHigh 34.6°C · Low 18.8°C · 4.7 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 Ar Rass) is explained once on the Ar Rass year overview and on the Sources, method and limits page.