Climate averages 1991–2020
Ar Rass weather
in October.
A hot, very dry month: the 6th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Ar Rass: daytime highs average 33.9°C and nights cool to about 18.4°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 2.7 mm of rain on fewer than one day, which makes October a very dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 34 min on an average October day.
The nearest other city in this atlas is Unaizah (56 km away). In October its highs average 33.7°C, about as warm as Ar Rass, with 2.2 mm of rain.
Among the 35 cities listed in Saudi Arabia, Ar Rass ranks joint 11th of 35 for the warmest October highs and 20th of 35 for the driest October (rainfall, lowest first). The mean October high of those 35 cities is 32.0°C; Ar Rass is 1.9°C warmer than that mean.
From October to November, average highs fall by 8.2°C to 25.8°C, and monthly rainfall rises from 2.7 mm to 20 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Unaizah in OctoberSaudi Arabia · 56 kmHigh 33.7°C · Low 18.6°C · 2.2 mm rain
- Buraydah in OctoberSaudi Arabia · 70 kmHigh 34.3°C · Low 18.7°C · 2.6 mm rain
- Az Zulfī in OctoberSaudi Arabia · 140 kmHigh 33.9°C · Low 19.5°C · 1.9 mm rain
- Ad Dawādimī in OctoberSaudi Arabia · 176 kmHigh 32.1°C · Low 18.9°C · 1.9 mm rain
- Ha'il in OctoberSaudi Arabia · 257 kmHigh 31.7°C · Low 17.7°C · 3.2 mm rain
- Riyadh in OctoberSaudi Arabia · 350 kmHigh 33.9°C · Low 19.8°C · 0.9 mm rain
- Hafar Al-Batin in OctoberSaudi Arabia · 376 kmHigh 34.8°C · Low 19.6°C · 1.2 mm rain
- Madinah in OctoberSaudi Arabia · 421 kmHigh 36.0°C · Low 20.1°C · 1.4 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.