August is one of the cooler months of the year in Ayr, with average highs near 24.2°C and lows around 19.1°C (mean 21.7°C). It is one of the drier months, averaging 17 mm of rainfall and 70% relative humidity across the period.
August is one of the cooler months of the year in Ayr. Across 45 years of records, the warmest August in Ayr was 1998 — when the month averaged 22.8°C — while the coldest was 1990 at 20.2°C. Typical August days reach 24.2°C with nights near 19.1°C. The long-term trend is warming, about 0.2°C per decade.
August is one of the drier months in Ayr, averaging 17 mm of rainfall. The wettest August on record was 1998 with 140 mm, while the driest were 2009 and 2013 at 1 mm.
Relative humidity in Ayr during August averages 70%. The most humid August was 1988 at 76%, and the least humid were 2001 and 2004 at 61%.
August receives about 5 kWh/m²/day of solar energy in Ayr. The sunniest August was 2018 at 5.5 kWh/m²/day, and the cloudiest was 1995 at 4.1.
Average wind speed in Ayr during August is 4.5 m/s. The windiest August was 1982 at 6.6 m/s, while the calmest was 1981 at 3.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.3°C | 21.5°C | 21.7°C | 21.7°C | 22.0°C | +0.7°C |
| Avg High | 23.9°C | 24.0°C | 24.2°C | 24.3°C | 24.6°C | +0.7°C |
| Avg Low | 18.7°C | 19.1°C | 19.1°C | 19.2°C | 19.5°C | +0.8°C |
| Avg Rain | 13 mm | 33 mm | 10 mm | 15 mm | 16 mm | +3 mm |
August temperatures in Ayr have risen by about 0.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 11.5°C (1986) to a record high of 29.9°C (2013).
Rainfall in August is one of the drier months, averaging 17 mm, with a wettest year of 140 mm.
One of the best times to visit Ayr
August is one of the best times to visit Ayr. Expect days averaging 24.2°C and nights around 19.1°C (mean 21.7°C) — cooler than Ayr's yearly average — with low rainfall (17 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 | 24.9°C | 22.1°C | 19.2°C | 28.8°C | 13.4°C | 5 mm | 67% | 4.2 m/s | 5.3 |
| 2024 | 24.7°C | 22.4°C | 20.1°C | 28.1°C | 17.7°C | 33 mm | 75% | 4.4 m/s | 5.1 |
| 2023 | 24.8°C | 22.3°C | 19.8°C | 26.1°C | 18.2°C | 3 mm | 70% | 5.1 m/s | 5.4 |
| 2022 | 23.6°C | 21.1°C | 18.6°C | 25.1°C | 14.5°C | 10 mm | 75% | 4.5 m/s | 4.9 |
| 2021 | 24.7°C | 22.5°C | 20.2°C | 28.6°C | 16.5°C | 33 mm | 72% | 5 m/s | 4.7 |
| 2020 | 24.6°C | 21.7°C | 18.8°C | 29.5°C | 14.9°C | 12 mm | 67% | 4.4 m/s | 5.2 |
| 2019 | 24.2°C | 21.4°C | 18.6°C | 29.4°C | 14.4°C | 4 mm | 69% | 4.7 m/s | 5.3 |
| 2018 | 24.6°C | 22.0°C | 19.4°C | 27.8°C | 16.6°C | 7 mm | 63% | 3.9 m/s | 5.5 |
| 2017 | 25.0°C | 22.7°C | 20.4°C | 27.5°C | 17.4°C | 10 mm | 68% | 3.8 m/s | 5.4 |
| 2016 | 23.9°C | 21.6°C | 19.3°C | 26.4°C | 13.4°C | 23 mm | 73% | 5.1 m/s | 4.8 |
| 2015 | 24.5°C | 22.1°C | 19.7°C | 25.9°C | 15.2°C | 3 mm | 68% | 3.8 m/s | 5.2 |
| 2014 | 24.0°C | 21.4°C | 18.7°C | 25.9°C | 14.1°C | 30 mm | 70% | 4.9 m/s | 5 |
| 2013 | 24.7°C | 22.4°C | 20.0°C | 29.9°C | 17.5°C | 1 mm | 68% | 3.5 m/s | 5.4 |
| 2012 | 23.2°C | 20.7°C | 18.2°C | 26.2°C | 12.5°C | 6 mm | 72% | 3.6 m/s | 5.1 |
| 2011 | 24.0°C | 21.0°C | 18.0°C | 26.5°C | 13.3°C | 4 mm | 71% | 4.4 m/s | 5 |
| 2010 | 24.5°C | 22.0°C | 19.6°C | 26.7°C | 14.1°C | 56 mm | 73% | 4.2 m/s | 4.3 |
| 2009 | 25.1°C | 22.7°C | 20.4°C | 27.0°C | 18.1°C | 1 mm | 71% | 4.2 m/s | 5.3 |
| 2008 | 23.0°C | 20.3°C | 17.5°C | 25.6°C | 11.8°C | 3 mm | 70% | 4.3 m/s | 5 |
| 2007 | 24.1°C | 21.6°C | 19.2°C | 26.4°C | 14.7°C | 8 mm | 72% | 4.6 m/s | 4.6 |
| 2006 | 24.0°C | 21.3°C | 18.6°C | 25.8°C | 15.4°C | 3 mm | 67% | 4.4 m/s | 5.3 |
| 2005 | 23.5°C | 21.3°C | 19.1°C | 24.3°C | 13.5°C | 47 mm | 72% | 5.4 m/s | 4.5 |
| 2004 | 24.6°C | 21.8°C | 18.9°C | 28.2°C | 13.4°C | 4 mm | 61% | 3.7 m/s | 5.3 |
| 2003 | 24.5°C | 22.4°C | 20.3°C | 26.1°C | 14.7°C | 4 mm | 70% | 4.4 m/s | 5 |
| 2002 | 24.0°C | 21.7°C | 19.3°C | 26.8°C | 17.4°C | 22 mm | 69% | 4.8 m/s | 5 |
| 2001 | 25.1°C | 22.1°C | 19.2°C | 26.8°C | 14.8°C | 2 mm | 61% | 4.3 m/s | 5.4 |
| 2000 | 24.3°C | 21.5°C | 18.8°C | 29.0°C | 14.9°C | 6 mm | 70% | 4.5 m/s | 5.2 |
| 1999 | 23.5°C | 21.0°C | 18.5°C | 26.7°C | 15.0°C | 14 mm | 73% | 5.2 m/s | 5 |
| 1998 🔥 🌧️ | 25.1°C | 22.8°C | 20.5°C | 27.3°C | 13.6°C | 140 mm | 74% | 4.8 m/s | 4.5 |
| 1997 | 23.4°C | 21.2°C | 18.9°C | 25.4°C | 16.7°C | 35 mm | 70% | 4.7 m/s | 4.9 |
| 1996 | 24.5°C | 22.1°C | 19.7°C | 26.9°C | 14.5°C | 8 mm | 68% | 4.6 m/s | 5 |
| 1995 | 23.0°C | 20.8°C | 18.6°C | 25.0°C | 12.5°C | 99 mm | 76% | 6.3 m/s | 4.1 |
| 1994 | 23.4°C | 20.7°C | 18.1°C | 25.1°C | 13.5°C | 2 mm | 68% | 5.6 m/s | 5.2 |
| 1993 | 24.1°C | 21.9°C | 19.8°C | 25.5°C | 16.4°C | 17 mm | 67% | 4.5 m/s | 5 |
| 1992 | 24.5°C | 22.0°C | 19.6°C | 27.6°C | 14.9°C | 6 mm | 70% | 4.2 m/s | 4.9 |
| 1991 | 24.9°C | 22.5°C | 20.1°C | 29.4°C | 16.8°C | 4 mm | 65% | 4.2 m/s | 5 |
| 1990 ❄️ | 23.5°C | 20.2°C | 16.9°C | 27.0°C | 12.2°C | 3 mm | 65% | 3.8 m/s | 5.3 |
| 1989 | 23.0°C | 20.4°C | 17.8°C | 27.1°C | 13.1°C | 11 mm | 72% | 3.9 m/s | 4.9 |
| 1988 | 23.6°C | 21.1°C | 18.7°C | 26.0°C | 14.7°C | 24 mm | 76% | 5.1 m/s | 4.6 |
| 1987 | 24.8°C | 21.9°C | 19.0°C | 29.0°C | 16.3°C | 9 mm | 69% | 4.1 m/s | 5.1 |
| 1986 | 23.9°C | 21.4°C | 18.8°C | 25.6°C | 11.5°C | 40 mm | 69% | 4.2 m/s | 4.6 |
| 1985 | 24.0°C | 21.6°C | 19.1°C | 27.7°C | 14.0°C | 2 mm | 72% | 4.1 m/s | 5.1 |
| 1984 | 24.0°C | 21.5°C | 19.0°C | 25.8°C | 13.3°C | 3 mm | 69% | 4 m/s | 5 |
| 1983 | 23.5°C | 20.9°C | 18.3°C | 26.3°C | 13.8°C | 6 mm | 74% | 4.9 m/s | — |
| 1982 | 22.7°C | 20.3°C | 18.0°C | 24.2°C | 14.7°C | 8 mm | 73% | 6.6 m/s | — |
| 1981 | 25.5°C | 22.5°C | 19.6°C | 29.4°C | 16.4°C | 12 mm | 66% | 3.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 24.2°C with lows near 19.1°C (mean 21.7°C), based on 45 years of NASA POWER data.
August averages 17 mm of rainfall in Ayr, one of the drier months. The wettest on record was 140 mm in 1998.
The hottest August reached 29.9°C in 2013. The coldest dipped to 11.5°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.7°C. Daytime highs moved from 23.9°C to 24.5°C and overnight lows from 18.8°C to 19.6°C over the same span.
August is one of the cooler months of the year in Ayr and one of the drier months, so plan for around 24.2°C daytime highs and 19.1°C at night.
Not quite — August is the 2nd coolest month in Ayr, averaging 21.7°C.
For August in Ayr, pack light layers you can adjust through the day, with typical highs of 24.2°C and lows of 19.1°C.
Relative humidity in August averages 70% — moderately humid.
Average wind speed in August is 4.5 m/s. The windiest August on record averaged 6.6 m/s (1982).
The wettest August on record was 1998 with 140 mm. On average, August sees 17 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 Ayr 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.
