August is one of the warmer months of the year in Lebanon, with average highs near 28.7°C and lows around 16.6°C (mean 22.7°C). It is about average for rainfall, averaging 105 mm of rainfall and 70% relative humidity across the period.
August is one of the warmer months of the year in Lebanon. Across 45 years of records, the warmest August in Lebanon was 2022 — when the month averaged 25.2°C — while the coldest were 1982 and 1994 at 20.1°C. Typical August days reach 28.7°C with nights near 16.6°C. The long-term trend is warming, about 0.4°C per decade.
August is about average for rainfall in Lebanon, averaging 105 mm of rainfall. The wettest August on record was 2011 with 251 mm, while the driest was 1995 at 32 mm.
Relative humidity in Lebanon during August averages 70%. The most humid August was 2018 at 85%, and the least humid was 2002 at 56%.
August receives about 5.2 kWh/m²/day of solar energy in Lebanon. The sunniest August was 2015 at 5.8 kWh/m²/day, and the cloudiest was 1990 at 4.7.
Average wind speed in Lebanon during August is 0.3 m/s. The windiest Augusts were 2023, 2024 and 2025, among others at 0.3 m/s, while the calmest were 2018, 2019 and 2020, among others at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.9°C | 22.3°C | 23.0°C | 22.7°C | 23.6°C | +1.7°C |
| Avg High | 28.2°C | 28.6°C | 28.8°C | 28.5°C | 29.5°C | +1.3°C |
| Avg Low | 15.7°C | 15.9°C | 17.1°C | 17.0°C | 17.7°C | +2°C |
| Avg Rain | 86 mm | 101 mm | 104 mm | 121 mm | 116 mm | +30 mm |
August temperatures in Lebanon have risen by about 1.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 4.6°C (1982) to a record high of 38.4°C (2002).
Rainfall in August is about average for rainfall, averaging 105 mm, with a wettest year of 251 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Lebanon
August is one of the best times to visit Lebanon. Expect days averaging 28.7°C and nights around 16.6°C (mean 22.7°C) — warmer than Lebanon's yearly average — with higher rainfall (105 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.0°C | 22.3°C | 15.7°C | 35.2°C | 8.6°C | 41 mm | 62% | 0.3 m/s | 5.4 |
| 2024 | 28.4°C | 22.7°C | 17.0°C | 35.0°C | 10.2°C | 154 mm | 75% | 0.3 m/s | 5 |
| 2023 | 28.4°C | 22.8°C | 17.1°C | 32.4°C | 12.5°C | 102 mm | 70% | 0.3 m/s | 5.2 |
| 2022 🔥 | 31.8°C | 25.2°C | 18.7°C | 36.9°C | 13.2°C | 73 mm | 62% | 0.3 m/s | 5.7 |
| 2021 | 30.3°C | 24.7°C | 19.2°C | 36.1°C | 14.1°C | 164 mm | 74% | 0.3 m/s | 4.9 |
| 2020 | 29.2°C | 23.7°C | 18.2°C | 33.6°C | 13.0°C | 162 mm | 75% | 0.2 m/s | 5.3 |
| 2019 | 28.8°C | 23.1°C | 17.4°C | 33.1°C | 12.7°C | 83 mm | 73% | 0.2 m/s | 5.4 |
| 2018 | 27.4°C | 23.1°C | 18.7°C | 32.8°C | 12.9°C | 232 mm | 85% | 0.2 m/s | 5 |
| 2017 | 26.2°C | 20.9°C | 15.6°C | 32.1°C | 10.6°C | 134 mm | 77% | 0.3 m/s | 5.2 |
| 2016 | 30.9°C | 24.8°C | 18.8°C | 34.6°C | 12.7°C | 79 mm | 69% | 0.3 m/s | 5.6 |
| 2015 | 29.7°C | 23.1°C | 16.6°C | 34.7°C | 12.5°C | 76 mm | 63% | 0.3 m/s | 5.8 |
| 2014 | 27.7°C | 21.3°C | 15.0°C | 33.6°C | 10.3°C | 79 mm | 70% | 0.2 m/s | 5.2 |
| 2013 | 27.6°C | 21.9°C | 16.2°C | 32.3°C | 9.3°C | 108 mm | 74% | 0.2 m/s | 5 |
| 2012 | 29.3°C | 23.3°C | 17.4°C | 33.3°C | 12.3°C | 93 mm | 68% | 0.3 m/s | 5.4 |
| 2011 🌧️ | 27.4°C | 22.0°C | 16.6°C | 32.4°C | 9.8°C | 251 mm | 77% | 0.3 m/s | 4.9 |
| 2010 | 30.2°C | 23.8°C | 17.5°C | 34.9°C | 11.5°C | 71 mm | 65% | 0.3 m/s | 4.9 |
| 2009 | 27.2°C | 22.4°C | 17.6°C | 31.9°C | 11.7°C | 183 mm | 82% | 0.2 m/s | 5.2 |
| 2008 | 28.1°C | 21.5°C | 14.9°C | 31.2°C | 10.1°C | 60 mm | 66% | 0.3 m/s | 5.7 |
| 2007 | 29.6°C | 23.5°C | 17.3°C | 35.3°C | 12.5°C | 128 mm | 69% | 0.3 m/s | 5.1 |
| 2006 | 28.5°C | 22.7°C | 16.9°C | 33.3°C | 10.7°C | 89 mm | 71% | 0.3 m/s | 5.5 |
| 2005 | 30.8°C | 24.7°C | 18.7°C | 37.2°C | 13.1°C | 65 mm | 67% | 0.2 m/s | 4.9 |
| 2004 | 26.1°C | 21.0°C | 15.9°C | 30.8°C | 10.2°C | 153 mm | 82% | 0.2 m/s | 5 |
| 2003 | 27.4°C | 22.6°C | 17.9°C | 34.0°C | 10.6°C | 140 mm | 82% | 0.2 m/s | 4.9 |
| 2002 | 31.7°C | 25.0°C | 18.2°C | 38.4°C | 12.8°C | 52 mm | 56% | 0.3 m/s | 5.4 |
| 2001 | 31.0°C | 24.4°C | 17.9°C | 37.5°C | 13.8°C | 94 mm | 64% | 0.3 m/s | 5.1 |
| 2000 | 27.4°C | 21.8°C | 16.1°C | 31.9°C | 8.4°C | 80 mm | 72% | 0.3 m/s | 4.8 |
| 1999 | 29.5°C | 22.9°C | 16.3°C | 36.0°C | 10.8°C | 98 mm | 60% | 0.3 m/s | 5.3 |
| 1998 | 29.5°C | 23.0°C | 16.6°C | 32.1°C | 9.0°C | 91 mm | 68% | 0.3 m/s | 5.3 |
| 1997 | 27.2°C | 21.1°C | 14.9°C | 33.5°C | 10.4°C | 123 mm | 68% | 0.3 m/s | 5.2 |
| 1996 | 27.3°C | 21.5°C | 15.8°C | 31.4°C | 11.2°C | 67 mm | 77% | 0.3 m/s | 5.5 |
| 1995 | 32.2°C | 24.7°C | 17.1°C | 36.5°C | 12.0°C | 32 mm | 57% | 0.2 m/s | 5.5 |
| 1994 | 25.7°C | 20.1°C | 14.5°C | 31.2°C | 7.8°C | 162 mm | 79% | 0.3 m/s | 4.8 |
| 1993 | 30.0°C | 23.5°C | 16.9°C | 35.4°C | 10.4°C | 92 mm | 66% | 0.3 m/s | 5.2 |
| 1992 | 27.2°C | 20.8°C | 14.4°C | 33.4°C | 9.3°C | 69 mm | 69% | 0.3 m/s | 5.4 |
| 1991 | 30.1°C | 23.5°C | 16.8°C | 36.3°C | 13.5°C | 110 mm | 65% | 0.3 m/s | 5.4 |
| 1990 | 27.4°C | 21.7°C | 16.0°C | 32.5°C | 12.0°C | 169 mm | 76% | 0.3 m/s | 4.7 |
| 1989 | 27.0°C | 21.5°C | 16.1°C | 30.4°C | 9.6°C | 60 mm | 76% | 0.2 m/s | 4.9 |
| 1988 | 30.3°C | 23.8°C | 17.3°C | 37.0°C | 8.7°C | 92 mm | 65% | 0.3 m/s | 5.2 |
| 1987 | 29.3°C | 22.6°C | 16.0°C | 35.1°C | 8.9°C | 106 mm | 64% | 0.2 m/s | 4.9 |
| 1986 | 26.2°C | 20.5°C | 14.7°C | 29.6°C | 5.8°C | 132 mm | 73% | 0.3 m/s | 5.4 |
| 1985 | 27.8°C | 21.8°C | 15.8°C | 34.3°C | 11.3°C | 71 mm | 68% | 0.3 m/s | 5.1 |
| 1984 | 26.7°C | 21.4°C | 16.1°C | 30.1°C | 7.5°C | 86 mm | 82% | 0.2 m/s | 5.6 |
| 1983 | 30.7°C | 23.7°C | 16.8°C | 36.1°C | 9.5°C | 78 mm | 64% | 0.3 m/s | — |
| 1982 ❄️ | 26.7°C | 20.1°C | 13.5°C | 32.3°C | 4.6°C | 89 mm | 67% | 0.3 m/s | — |
| 1981 | 28.8°C | 21.8°C | 14.7°C | 32.1°C | 8.4°C | 57 mm | 63% | 0.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 28.7°C with lows near 16.6°C (mean 22.7°C), based on 45 years of NASA POWER data.
August averages 105 mm of rainfall in Lebanon, about average for rainfall. The wettest on record was 251 mm in 2011.
The hottest August reached 38.4°C in 2002. The coldest dipped to 4.6°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.7°C. Daytime highs moved from 28.1°C to 29.6°C and overnight lows from 15.4°C to 17.5°C over the same span.
August is one of the warmer months of the year in Lebanon and about average for rainfall, so plan for around 28.7°C daytime highs and 16.6°C at night.
Not quite — August is the 11th coolest month in Lebanon, averaging 22.7°C.
For August in Lebanon, pack light layers you can adjust through the day, with typical highs of 28.7°C and lows of 16.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 70% — moderately humid.
Average wind speed in August is 0.3 m/s. The windiest August on record averaged 0.3 m/s (1981).
The wettest August on record was 2011 with 251 mm. On average, August sees 105 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 Lebanon 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.
