Climate averages 1991–2020
Riyadh weather
in October.
A hot, very dry month: the 6th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Riyadh: daytime highs average 33.9°C and nights cool to about 19.8°C. By daytime temperature it is the 6th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical October (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 36 min on an average October day.
The nearest other city in this atlas is Al Kharj (86 km away). In October its highs average 34.9°C, 1.0°C warmer than Riyadh, with almost no rain (under 1 mm).
Among the 35 cities listed in Saudi Arabia, Riyadh ranks joint 11th of 35 for the warmest October highs and 6th of 35 for the driest October (rainfall, lowest first). The mean October high of those 35 cities is 32.0°C; Riyadh is 1.9°C warmer than that mean.
From October to November, average highs fall by 7.6°C to 26.3°C, and monthly rainfall rises from under 1 mm to 11 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
Riyadh climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.8°C7.4°C | 7.4°C | 11 | 2.0 | 10.811 h |
| February | 23.1°C9.6°C | 9.6°C | 5.4 | 1.5 | 11.311 h |
| March | 27.3°C13.7°C | 13.7°C | 11 | 1.9 | 12.012 h |
| April | 33.1°C19.0°C | 19.0°C | 14 | 2.7 | 12.713 h |
| May | 38.6°C24.1°C | 24.1°C | 1.9 | 0.6 | 13.313 h |
| June | 41.6°C26.0°C | 26.0°C | 0 | 0.0 | 13.614 h |
| July | 42.6°C27.3°C | 27.3°C | 0 | 0.0 | 13.514 h |
| August | 42.5°C27.2°C | 27.2°C | 0 | 0.0 | 13.013 h |
| September | 39.4°C24.2°C | 24.2°C | 0 | 0.0 | 12.312 h |
| October, selected | 33.9°C19.8°C | 19.8°C | 0.9 | 0.2 | 11.612 h |
| November | 26.3°C13.9°C | 13.9°C | 11 | 2.1 | 11.011 h |
| December | 21.3°C8.9°C | 8.9°C | 9.1 | 1.7 | 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
- Al Kharj in OctoberSaudi Arabia · 86 kmHigh 34.9°C · Low 19.1°C · 0.6 mm rain
- Ad Dawādimī in OctoberSaudi Arabia · 236 kmHigh 32.1°C · Low 18.9°C · 1.9 mm rain
- Az Zulfī in OctoberSaudi Arabia · 262 kmHigh 33.9°C · Low 19.5°C · 1.9 mm rain
- Al Hufūf in OctoberSaudi Arabia · 298 kmHigh 36.0°C · Low 20.3°C · 0.2 mm rain
- Unaizah in OctoberSaudi Arabia · 315 kmHigh 33.7°C · Low 18.6°C · 2.2 mm rain
- Buraydah in OctoberSaudi Arabia · 330 kmHigh 34.3°C · Low 18.7°C · 2.6 mm rain
- Ar Rass in OctoberSaudi Arabia · 350 kmHigh 33.9°C · Low 18.4°C · 2.7 mm rain
- Al Jubayl in OctoberSaudi Arabia · 389 kmHigh 34.6°C · Low 23.2°C · 1.6 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 Riyadh) is explained once on the Riyadh year overview and on the Sources, method and limits page.