Climate averages 1991–2020
Unaizah weather
in August.
A very hot, very dry month: the warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a very hot month in Unaizah: daytime highs average 41.9°C and nights cool to about 25.9°C. By daytime temperature it is the warmest month of the year.
Rain is very rare: less than 1 mm falls in a typical August (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 13 h 03 min on an average August day.
The nearest other city in this atlas is Buraydah (25 km away). In August its highs average 42.6°C, 0.6°C warmer than Unaizah, with almost no rain (under 1 mm).
Among the 35 cities listed in Saudi Arabia, Unaizah ranks 9th of 35 for the warmest August highs and joint 1st of 35 for the driest August (rainfall, lowest first). The mean August high of those 35 cities is 37.8°C; Unaizah is 4.2°C warmer than that mean.
From August to September, average highs fall by 2.7°C to 39.2°C, and monthly rainfall stays under 1 mm.
The annual picture
August 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
Unaizah climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.7°C6.3°C | 6.3°C | 14 | 2.4 | 10.711 h |
| February | 22.1°C8.2°C | 8.2°C | 6.8 | 1.5 | 11.311 h |
| March | 26.4°C12.3°C | 12.3°C | 15 | 2.7 | 12.012 h |
| April | 32.0°C17.4°C | 17.4°C | 16 | 2.8 | 12.813 h |
| May | 37.5°C22.4°C | 22.4°C | 1.7 | 0.3 | 13.413 h |
| June | 40.6°C24.4°C | 24.4°C | 0 | 0.0 | 13.714 h |
| July | 41.5°C25.4°C | 25.4°C | 0 | 0.0 | 13.614 h |
| August, selected | 41.9°C25.9°C | 25.9°C | 0 | 0.0 | 13.113 h |
| September | 39.2°C23.2°C | 23.2°C | 0.1 | 0.0 | 12.312 h |
| October | 33.7°C18.6°C | 18.6°C | 2.2 | 0.4 | 11.612 h |
| November | 25.3°C12.9°C | 12.9°C | 28 | 3.1 | 10.911 h |
| December | 20.1°C8.1°C | 8.1°C | 14 | 2.4 | 10.511 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
August in nearby cities
- Buraydah in AugustSaudi Arabia · 25 kmHigh 42.6°C · Low 26.1°C · 0 mm rain
- Ar Rass in AugustSaudi Arabia · 56 kmHigh 42.1°C · Low 25.5°C · 0 mm rain
- Az Zulfī in AugustSaudi Arabia · 84 kmHigh 42.1°C · Low 26.5°C · 0 mm rain
- Ad Dawādimī in AugustSaudi Arabia · 181 kmHigh 40.1°C · Low 25.7°C · 0.1 mm rain
- Ha'il in AugustSaudi Arabia · 278 kmHigh 39.4°C · Low 25.2°C · 0.1 mm rain
- Riyadh in AugustSaudi Arabia · 315 kmHigh 42.5°C · Low 27.2°C · 0 mm rain
- Hafar Al-Batin in AugustSaudi Arabia · 324 kmHigh 43.8°C · Low 27.6°C · 0 mm rain
- Al Kharj in AugustSaudi Arabia · 399 kmHigh 43.7°C · Low 27.1°C · 0 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 Unaizah) is explained once on the Unaizah year overview and on the Sources, method and limits page.