August is one of the warmer months of the year in As Sulayyil, with average highs near 43.4°C and lows around 28.1°C (mean 35.8°C). It is about average for rainfall, averaging 2 mm of rainfall and 15% relative humidity across the period.
August is one of the warmer months of the year in As Sulayyil. Across 45 years of records, the warmest August in As Sulayyil was 2024 — when the month averaged 37.1°C — while the coldest was 1984 at 33.6°C. Typical August days reach 43.4°C with nights near 28.1°C. The long-term trend is warming, about 0.4°C per decade.
August is about average for rainfall in As Sulayyil, averaging 2 mm of rainfall. The wettest August on record was 1999 with 34 mm, while the driest were 2019, 2021 and 2023, among others at 0 mm.
Relative humidity in As Sulayyil during August averages 15%. The most humid August was 2024 at 21%, and the least humid were 1984, 1990 and 2002 at 12%.
August receives about 7.2 kWh/m²/day of solar energy in As Sulayyil. The sunniest August was 1997 at 7.7 kWh/m²/day, and the cloudiest was 2022 at 6.5.
Average wind speed in As Sulayyil during August is 2.8 m/s. The windiest August was 2019 at 3.6 m/s, while the calmest were 1990, 1991 and 2011, among others at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 35.0°C | 35.4°C | 35.9°C | 36.1°C | 36.6°C | +1.6°C |
| Avg High | 42.8°C | 43.1°C | 43.5°C | 43.8°C | 43.8°C | +1°C |
| Avg Low | 27.1°C | 27.7°C | 28.2°C | 28.5°C | 29.3°C | +2.2°C |
| Avg Rain | 5 mm | 5 mm | 0 mm | 0 mm | 1 mm | -4 mm |
August temperatures in As Sulayyil have risen by about 1.9°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 22.7°C (1986) to a record high of 47°C (2023).
Rainfall in August is about average for rainfall, averaging 2 mm, with a wettest year of 34 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A quieter season to visit As Sulayyil
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting As Sulayyil. That said, August — with days averaging 43.4°C and nights around 28.1°C (mean 35.8°C) and low rainfall (2 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 43.5°C | 36.4°C | 29.3°C | 45.6°C | 27.8°C | 0 mm | 17% | 3 m/s | 6.8 |
| 2024 🔥 | 43.9°C | 37.1°C | 30.2°C | 46.6°C | 28.1°C | 1 mm | 21% | 3.4 m/s | 6.6 |
| 2023 | 44.6°C | 37.0°C | 29.3°C | 47.0°C | 27.9°C | 0 mm | 13% | 2.7 m/s | 7.2 |
| 2022 | 43.4°C | 36.3°C | 29.2°C | 46.5°C | 24.8°C | 2 mm | 20% | 3 m/s | 6.5 |
| 2021 | 43.9°C | 36.4°C | 28.9°C | 45.9°C | 25.7°C | 0 mm | 16% | 3.4 m/s | 7.3 |
| 2020 | 43.6°C | 36.3°C | 29.0°C | 45.6°C | 26.7°C | 1 mm | 16% | 2.8 m/s | 7.3 |
| 2019 | 43.6°C | 36.1°C | 28.6°C | 46.1°C | 24.9°C | 0 mm | 15% | 3.6 m/s | 7.4 |
| 2018 | 43.8°C | 36.2°C | 28.6°C | 45.4°C | 26.8°C | 0 mm | 13% | 2.8 m/s | 7.3 |
| 2017 | 44.5°C | 36.9°C | 29.3°C | 46.7°C | 26.6°C | 0 mm | 14% | 2.7 m/s | 7.2 |
| 2016 | 43.9°C | 36.2°C | 28.6°C | 46.6°C | 25.1°C | 0 mm | 14% | 2.7 m/s | 7.2 |
| 2015 | 44.2°C | 36.2°C | 28.2°C | 44.9°C | 26.4°C | 0 mm | 13% | 2.8 m/s | 7.4 |
| 2014 | 43.7°C | 35.7°C | 27.8°C | 45.7°C | 26.1°C | 0 mm | 14% | 3.1 m/s | 7.5 |
| 2013 | 42.5°C | 35.3°C | 28.1°C | 44.4°C | 25.4°C | 0 mm | 16% | 2.9 m/s | 7.1 |
| 2012 | 43.7°C | 36.1°C | 28.5°C | 45.5°C | 25.0°C | 0 mm | 14% | 2.7 m/s | 7.1 |
| 2011 | 43.8°C | 36.1°C | 28.5°C | 45.4°C | 25.5°C | 0 mm | 14% | 2.4 m/s | 7.2 |
| 2010 | 44.2°C | 36.7°C | 29.2°C | 45.6°C | 27.4°C | 0 mm | 15% | 2.7 m/s | 7.2 |
| 2009 | 43.3°C | 35.6°C | 27.9°C | 44.7°C | 27.0°C | 0 mm | 15% | 2.9 m/s | 7.2 |
| 2008 | 43.4°C | 35.8°C | 28.3°C | 44.9°C | 25.5°C | 0 mm | 15% | 2.6 m/s | 7.3 |
| 2007 | 43.8°C | 36.1°C | 28.3°C | 46.4°C | 25.7°C | 0 mm | 14% | 3 m/s | 7.3 |
| 2006 | 43.4°C | 35.9°C | 28.5°C | 45.0°C | 25.8°C | 0 mm | 16% | 2.8 m/s | 7.2 |
| 2005 | 43.5°C | 35.7°C | 27.9°C | 44.9°C | 25.5°C | 0 mm | 13% | 3 m/s | 7.6 |
| 2004 | 43.5°C | 35.8°C | 28.0°C | 44.9°C | 25.3°C | 0 mm | 14% | 2.7 m/s | 7.5 |
| 2003 | 43.3°C | 36.0°C | 28.6°C | 44.8°C | 26.8°C | 0 mm | 18% | 2.6 m/s | 7.3 |
| 2002 | 43.4°C | 35.4°C | 27.3°C | 44.9°C | 25.1°C | 0 mm | 12% | 2.7 m/s | 7.5 |
| 2001 | 43.8°C | 36.2°C | 28.7°C | 45.8°C | 25.6°C | 0 mm | 16% | 2.9 m/s | 7.3 |
| 2000 | 43.9°C | 36.0°C | 28.2°C | 45.2°C | 25.7°C | 0 mm | 15% | 2.6 m/s | 7.4 |
| 1999 🌧️ | 43.6°C | 35.9°C | 28.1°C | 45.2°C | 24.6°C | 34 mm | 15% | 2.9 m/s | 7.3 |
| 1998 | 44.1°C | 37.0°C | 29.9°C | 45.9°C | 26.7°C | 0 mm | 18% | 2.9 m/s | 7.3 |
| 1997 | 42.9°C | 34.9°C | 26.9°C | 45.2°C | 24.2°C | 0 mm | 12% | 2.7 m/s | 7.7 |
| 1996 | 43.7°C | 36.0°C | 28.2°C | 45.2°C | 25.8°C | 4 mm | 15% | 3 m/s | 7.4 |
| 1995 | 43.4°C | 35.5°C | 27.5°C | 45.3°C | 25.2°C | 0 mm | 13% | 2.9 m/s | 7.1 |
| 1994 | 42.6°C | 35.0°C | 27.4°C | 45.5°C | 24.8°C | 2 mm | 14% | 2.8 m/s | 7.3 |
| 1993 | 43.1°C | 35.3°C | 27.5°C | 45.2°C | 24.2°C | 0 mm | 14% | 2.7 m/s | 7.3 |
| 1992 | 41.6°C | 34.5°C | 27.4°C | 43.5°C | 25.4°C | 12 mm | 20% | 2.8 m/s | 6.9 |
| 1991 | 43.0°C | 35.1°C | 27.2°C | 44.8°C | 25.1°C | 0 mm | 13% | 2.4 m/s | 7 |
| 1990 | 43.2°C | 35.2°C | 27.3°C | 44.9°C | 25.8°C | 0 mm | 12% | 2.4 m/s | 7.4 |
| 1989 | 42.8°C | 34.8°C | 26.9°C | 43.9°C | 24.2°C | 0 mm | 12% | 3.1 m/s | 7.3 |
| 1988 | 43.1°C | 35.6°C | 28.1°C | 45.6°C | 25.9°C | 0 mm | 13% | 2.5 m/s | 7.1 |
| 1987 | 43.6°C | 36.0°C | 28.3°C | 45.3°C | 26.0°C | 7 mm | 16% | 2.7 m/s | 7 |
| 1986 | 42.9°C | 34.8°C | 26.7°C | 45.3°C | 22.7°C | 22 mm | 18% | 2.7 m/s | 7.4 |
| 1985 | 43.2°C | 35.1°C | 27.0°C | 45.3°C | 24.9°C | 4 mm | 13% | 2.5 m/s | 7.4 |
| 1984 ❄️ | 41.9°C | 33.6°C | 25.3°C | 43.3°C | 23.9°C | 3 mm | 12% | 2.4 m/s | 7.4 |
| 1983 | 42.6°C | 35.0°C | 27.3°C | 44.6°C | 23.7°C | 1 mm | 17% | 2.6 m/s | — |
| 1982 | 42.3°C | 34.7°C | 27.0°C | 44.2°C | 23.7°C | 3 mm | 14% | 2.5 m/s | — |
| 1981 | 43.1°C | 35.1°C | 27.1°C | 45.9°C | 23.6°C | 1 mm | 13% | 2.4 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 43.4°C with lows near 28.1°C (mean 35.8°C), based on 45 years of NASA POWER data.
August averages 2 mm of rainfall in As Sulayyil, about average for rainfall. The wettest on record was 34 mm in 1999.
The hottest August reached 47°C in 2023. The coldest dipped to 22.7°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.9°C. Daytime highs moved from 42.6°C to 43.9°C and overnight lows from 26.7°C to 29.4°C over the same span.
August is one of the warmer months of the year in As Sulayyil and about average for rainfall, so plan for around 43.4°C daytime highs and 28.1°C at night.
Not quite — August is the 11th coolest month in As Sulayyil, averaging 35.8°C.
For August in As Sulayyil, pack light, breathable clothing and sun protection, with typical highs of 43.4°C and lows of 28.1°C.
Relative humidity in August averages 15% — relatively dry.
Average wind speed in August is 2.8 m/s. The windiest August on record averaged 3.6 m/s (2019).
The wettest August on record was 1999 with 34 mm. On average, August sees 2 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in As Sulayyil behaves each August, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for August specifically, along with year-by-year records and how the month has changed over the decades.
