August is one of the cooler months of the year in Kingston, with average highs near 11.8°C and lows around 5.7°C (mean 8.8°C). It is a relatively wet time of year, averaging 74 mm of rainfall and 84% relative humidity across the period.
August is one of the cooler months of the year in Kingston. Across 45 years of records, the warmest August in Kingston was 2024 — when the month averaged 10.4°C — while the coldest was 2015 at 7.3°C. Typical August days reach 11.8°C with nights near 5.7°C. The long-term August temperature trend is broadly flat.
August is a relatively wet time of year in Kingston, averaging 74 mm of rainfall. The wettest August on record was 1984 with 158 mm, while the driest was 1982 at 20 mm.
Relative humidity in Kingston during August averages 84%. The most humid August was 1981 at 87%, and the least humid was 2023 at 81%.
August receives about 2.5 kWh/m²/day of solar energy in Kingston. The sunniest August was 2014 at 2.8 kWh/m²/day, and the cloudiest was 2011 at 2.2.
Average wind speed in Kingston during August is 4.2 m/s. The windiest August was 1994 at 5.5 m/s, while the calmest were 1986 and 1989 at 3.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.7°C | 8.4°C | 8.9°C | 8.6°C | 9.3°C | +0.6°C |
| Avg High | 11.8°C | 11.5°C | 11.9°C | 11.7°C | 12.4°C | +0.6°C |
| Avg Low | 5.6°C | 5.4°C | 5.9°C | 5.5°C | 6.2°C | +0.6°C |
| Avg Rain | 72 mm | 79 mm | 88 mm | 62 mm | 63 mm | -9 mm |
August temperatures in Kingston have risen by about 0.6°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 1.1°C (2013) to a record high of 18.3°C (1999).
Rainfall in August is a relatively wet time of year, averaging 74 mm, with a wettest year of 158 mm.
A quieter season to visit Kingston
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Kingston. That said, August — with days averaging 11.8°C and nights around 5.7°C (mean 8.8°C) and moderate rainfall (74 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 12.5°C | 9.3°C | 6.1°C | 15.8°C | 2.3°C | 34 mm | 84% | 3.8 m/s | 2.6 |
| 2024 🔥 | 13.3°C | 10.4°C | 7.5°C | 17.1°C | 3.8°C | 94 mm | 83% | 4.6 m/s | 2.4 |
| 2023 | 12.8°C | 9.5°C | 6.1°C | 15.9°C | 2.9°C | 27 mm | 81% | 3.8 m/s | 2.7 |
| 2022 | 12.1°C | 9.1°C | 6.1°C | 16.7°C | 1.5°C | 81 mm | 85% | 3.8 m/s | 2.5 |
| 2021 | 12.1°C | 8.9°C | 5.7°C | 15.3°C | 2.9°C | 55 mm | 82% | 4.7 m/s | 2.3 |
| 2020 | 11.3°C | 8.6°C | 5.9°C | 15.7°C | 1.8°C | 85 mm | 85% | 4 m/s | 2.5 |
| 2019 | 11.7°C | 8.4°C | 5.0°C | 15.2°C | 2.8°C | 67 mm | 82% | 4.8 m/s | 2.6 |
| 2018 | 11.7°C | 8.6°C | 5.5°C | 15.4°C | 1.6°C | 43 mm | 82% | 4.4 m/s | 2.5 |
| 2017 | 11.5°C | 8.3°C | 5.1°C | 16.1°C | 2.8°C | 48 mm | 81% | 4 m/s | 2.6 |
| 2016 | 11.7°C | 8.5°C | 5.4°C | 16.5°C | 1.6°C | 30 mm | 83% | 4 m/s | 2.5 |
| 2015 ❄️ | 10.3°C | 7.3°C | 4.3°C | 14.1°C | 1.1°C | 46 mm | 84% | 4.2 m/s | 2.6 |
| 2014 | 12.5°C | 9.2°C | 5.9°C | 17.2°C | 3.1°C | 32 mm | 85% | 3.4 m/s | 2.8 |
| 2013 | 11.7°C | 8.5°C | 5.3°C | 15.8°C | 1.1°C | 81 mm | 83% | 4.7 m/s | 2.4 |
| 2012 | 11.5°C | 8.4°C | 5.4°C | 15.9°C | 3.3°C | 67 mm | 84% | 4.1 m/s | 2.4 |
| 2011 | 12.7°C | 10.0°C | 7.3°C | 16.6°C | 4.7°C | 86 mm | 86% | 3.9 m/s | 2.2 |
| 2010 | 11.4°C | 8.5°C | 5.5°C | 14.5°C | 2.9°C | 119 mm | 84% | 4.1 m/s | 2.3 |
| 2009 | 11.7°C | 9.1°C | 6.5°C | 15.7°C | 2.9°C | 117 mm | 84% | 5.2 m/s | 2.3 |
| 2008 | 11.5°C | 8.2°C | 5.0°C | 15.1°C | 2.9°C | 59 mm | 83% | 3.9 m/s | 2.6 |
| 2007 | 11.9°C | 9.0°C | 6.0°C | 17.1°C | 3.0°C | 95 mm | 83% | 4.2 m/s | 2.5 |
| 2006 | 12.5°C | 9.2°C | 5.9°C | 18.2°C | 2.2°C | 26 mm | 82% | 4.1 m/s | 2.6 |
| 2005 | 12.5°C | 9.4°C | 6.2°C | 17.5°C | 3.3°C | 89 mm | 82% | 5.1 m/s | 2.4 |
| 2004 | 10.9°C | 8.0°C | 5.0°C | 17.0°C | 2.2°C | 96 mm | 84% | 4.1 m/s | 2.6 |
| 2003 | 11.8°C | 9.0°C | 6.1°C | 15.0°C | 2.9°C | 135 mm | 83% | 4.7 m/s | 2.4 |
| 2002 | 12.2°C | 9.1°C | 5.9°C | 14.8°C | 2.7°C | 73 mm | 83% | 4.2 m/s | 2.5 |
| 2001 | 12.0°C | 9.0°C | 6.1°C | 15.1°C | 2.9°C | 102 mm | 84% | 3.9 m/s | 2.3 |
| 2000 | 11.5°C | 8.7°C | 5.9°C | 15.7°C | 3.8°C | 87 mm | 83% | 4 m/s | 2.5 |
| 1999 | 13.0°C | 9.7°C | 6.3°C | 18.3°C | 3.6°C | 34 mm | 85% | 3.5 m/s | 2.4 |
| 1998 | 11.8°C | 8.4°C | 5.0°C | 15.0°C | 2.3°C | 34 mm | 83% | 3.4 m/s | 2.6 |
| 1997 | 11.7°C | 8.7°C | 5.7°C | 15.8°C | 2.6°C | 88 mm | 82% | 4.9 m/s | 2.4 |
| 1996 | 11.2°C | 8.2°C | 5.3°C | 14.6°C | 2.2°C | 56 mm | 84% | 4.3 m/s | 2.4 |
| 1995 | 11.9°C | 8.7°C | 5.5°C | 17.2°C | 3.0°C | 104 mm | 83% | 5 m/s | 2.6 |
| 1994 | 10.8°C | 8.0°C | 5.2°C | 16.8°C | 2.0°C | 90 mm | 82% | 5.5 m/s | 2.7 |
| 1993 | 12.7°C | 9.3°C | 5.9°C | 17.0°C | 3.0°C | 51 mm | 82% | 4.7 m/s | 2.6 |
| 1992 | 10.7°C | 7.8°C | 4.8°C | 13.5°C | 3.0°C | 96 mm | 84% | 4.5 m/s | 2.4 |
| 1991 | 10.6°C | 7.9°C | 5.1°C | 13.5°C | 2.8°C | 143 mm | 83% | 4.9 m/s | 2.3 |
| 1990 | 10.3°C | 7.5°C | 4.7°C | 13.3°C | 1.6°C | 97 mm | 84% | 3.8 m/s | 2.5 |
| 1989 | 11.3°C | 8.2°C | 5.2°C | 14.3°C | 2.5°C | 58 mm | 84% | 3.2 m/s | 2.6 |
| 1988 | 12.1°C | 9.1°C | 6.2°C | 15.3°C | 3.6°C | 63 mm | 85% | 3.8 m/s | 2.5 |
| 1987 | 12.2°C | 8.6°C | 5.0°C | 16.0°C | 2.0°C | 47 mm | 84% | 3.4 m/s | 2.6 |
| 1986 | 11.1°C | 8.2°C | 5.2°C | 14.9°C | 2.6°C | 66 mm | 86% | 3.2 m/s | 2.5 |
| 1985 | 11.8°C | 8.5°C | 5.2°C | 15.3°C | 2.1°C | 53 mm | 85% | 3.6 m/s | 2.6 |
| 1984 🌧️ | 10.8°C | 8.3°C | 5.8°C | 14.0°C | 2.4°C | 158 mm | 86% | 4.4 m/s | 2.3 |
| 1983 | 12.7°C | 9.4°C | 6.1°C | 16.2°C | 3.3°C | 68 mm | 86% | 4 m/s | — |
| 1982 | 13.4°C | 9.8°C | 6.3°C | 17.1°C | 4.3°C | 20 mm | 83% | 3.8 m/s | — |
| 1981 | 11.2°C | 8.2°C | 5.2°C | 13.9°C | 1.7°C | 112 mm | 87% | 3.6 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 11.8°C with lows near 5.7°C (mean 8.8°C), based on 45 years of NASA POWER data.
August averages 74 mm of rainfall in Kingston, a relatively wet time of year. The wettest on record was 158 mm in 1984.
The hottest August reached 18.3°C in 1999. The coldest dipped to 1.1°C in 2013.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.6°C. Daytime highs moved from 12°C to 12.6°C and overnight lows from 5.7°C to 6.3°C over the same span.
August is one of the cooler months of the year in Kingston and a relatively wet time of year, so plan for around 11.8°C daytime highs and 5.7°C at night.
Not quite — August is the 2nd coolest month in Kingston, averaging 8.8°C.
For August in Kingston, pack warm layers and a jacket for chilly mornings, with typical highs of 11.8°C and lows of 5.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 84% — quite humid.
Average wind speed in August is 4.2 m/s. The windiest August on record averaged 5.5 m/s (1994).
The wettest August on record was 1984 with 158 mm. On average, August sees 74 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 Kingston 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.
