August is one of the cooler months of the year in Bordertown, with average highs near 14.9°C and lows around 5.6°C (mean 10.3°C). It is a relatively wet time of year, averaging 60 mm of rainfall and 80% relative humidity across the period.
August is one of the cooler months of the year in Bordertown. Across 45 years of records, the warmest August in Bordertown was 2024 — when the month averaged 13.5°C — while the coldest was 1989 at 8.4°C. Typical August days reach 14.9°C with nights near 5.6°C. The long-term trend is warming, about 0.4°C per decade.
August is a relatively wet time of year in Bordertown, averaging 60 mm of rainfall. The wettest August on record was 1981 with 136 mm, while the driest was 2014 at 12 mm.
Relative humidity in Bordertown during August averages 80%. The most humid August was 1989 at 87%, and the least humid was 2024 at 71%.
August receives about 3.1 kWh/m²/day of solar energy in Bordertown. The sunniest Augusts were 1995, 2006 and 2025 at 3.4 kWh/m²/day, and the cloudiest were 2010 and 2022 at 2.8.
Average wind speed in Bordertown during August is 3 m/s. The windiest August was 1991 at 4.2 m/s, while the calmest was 2014 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.9°C | 9.9°C | 10.2°C | 10.4°C | 11.5°C | +1.6°C |
| Avg High | 14.3°C | 14.5°C | 14.9°C | 15.1°C | 16.4°C | +2.1°C |
| Avg Low | 5.4°C | 5.2°C | 5.4°C | 5.8°C | 6.7°C | +1.3°C |
| Avg Rain | 81 mm | 68 mm | 64 mm | 47 mm | 30 mm | -51 mm |
August temperatures in Bordertown have risen by about 1.6°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -0.2°C (1989) to a record high of 25.9°C (2023).
Rainfall in August is a relatively wet time of year, averaging 60 mm, with a wettest year of 136 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.5°C per decade while lows rose 0.3°C per decade, widening the gap between day and night.
A quieter season to visit Bordertown
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Bordertown. That said, August — with days averaging 14.9°C and nights around 5.6°C (mean 10.3°C) and moderate rainfall (60 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 | 16.0°C | 11.0°C | 5.9°C | 19.6°C | 1.6°C | 28 mm | 75% | 3.1 m/s | 3.4 |
| 2024 🔥 | 18.7°C | 13.5°C | 8.3°C | 24.4°C | 3.6°C | 26 mm | 71% | 3.5 m/s | 3.2 |
| 2023 | 16.9°C | 11.9°C | 6.8°C | 25.9°C | 2.0°C | 18 mm | 76% | 2.6 m/s | 3.2 |
| 2022 | 15.8°C | 11.4°C | 7.0°C | 21.4°C | 3.3°C | 53 mm | 78% | 3.2 m/s | 2.8 |
| 2021 | 16.1°C | 11.3°C | 6.5°C | 21.3°C | 4.0°C | 20 mm | 76% | 3 m/s | 3.3 |
| 2020 | 14.8°C | 10.1°C | 5.4°C | 22.9°C | 1.1°C | 33 mm | 80% | 3 m/s | 3.2 |
| 2019 | 15.8°C | 10.4°C | 5.1°C | 21.0°C | 1.4°C | 19 mm | 72% | 3.2 m/s | 3.1 |
| 2018 | 15.7°C | 11.0°C | 6.3°C | 20.3°C | 2.2°C | 30 mm | 71% | 3.7 m/s | 3.1 |
| 2017 | 15.7°C | 10.8°C | 5.9°C | 23.0°C | 1.3°C | 34 mm | 74% | 3.3 m/s | 3.1 |
| 2016 | 16.2°C | 11.1°C | 6.1°C | 23.9°C | 1.8°C | 28 mm | 74% | 3 m/s | 3.2 |
| 2015 | 15.0°C | 10.3°C | 5.6°C | 21.7°C | 1.8°C | 14 mm | 76% | 2.8 m/s | 3.2 |
| 2014 | 15.2°C | 9.8°C | 4.3°C | 22.0°C | 0.2°C | 12 mm | 80% | 2 m/s | 3.3 |
| 2013 | 14.6°C | 10.7°C | 6.9°C | 21.6°C | 3.0°C | 103 mm | 85% | 3.5 m/s | 3 |
| 2012 | 13.8°C | 9.6°C | 5.5°C | 19.5°C | 3.1°C | 73 mm | 83% | 3.3 m/s | 3 |
| 2011 | 16.0°C | 11.5°C | 7.0°C | 22.5°C | 3.8°C | 60 mm | 83% | 2.5 m/s | 3.2 |
| 2010 | 13.1°C | 9.2°C | 5.3°C | 18.2°C | 0.8°C | 101 mm | 83% | 3.5 m/s | 2.8 |
| 2009 | 15.7°C | 11.2°C | 6.7°C | 21.3°C | 2.1°C | 55 mm | 80% | 3.6 m/s | 3.1 |
| 2008 | 13.1°C | 9.0°C | 4.9°C | 17.5°C | 1.7°C | 74 mm | 84% | 2.8 m/s | 3.1 |
| 2007 | 15.6°C | 10.8°C | 5.9°C | 23.8°C | 1.6°C | 30 mm | 80% | 3 m/s | 3.3 |
| 2006 | 17.0°C | 11.2°C | 5.4°C | 23.8°C | 2.8°C | 21 mm | 73% | 2.4 m/s | 3.4 |
| 2005 | 15.7°C | 10.6°C | 5.6°C | 23.2°C | 1.4°C | 74 mm | 78% | 3.2 m/s | 2.9 |
| 2004 | 14.6°C | 10.1°C | 5.5°C | 20.9°C | 1.0°C | 87 mm | 83% | 2.8 m/s | 3.1 |
| 2003 | 13.6°C | 9.0°C | 4.5°C | 19.2°C | 0.8°C | 100 mm | 81% | 3.3 m/s | 3 |
| 2002 | 14.5°C | 9.6°C | 4.6°C | 19.9°C | 0.4°C | 46 mm | 79% | 2.7 m/s | 3.1 |
| 2001 | 15.0°C | 10.5°C | 6.0°C | 19.9°C | 3.9°C | 89 mm | 78% | 3.4 m/s | 2.9 |
| 2000 | 14.3°C | 9.5°C | 4.7°C | 18.8°C | 1.3°C | 61 mm | 84% | 2.5 m/s | 3.1 |
| 1999 | 16.0°C | 10.7°C | 5.5°C | 22.7°C | 2.7°C | 43 mm | 80% | 2.6 m/s | 3.2 |
| 1998 | 15.7°C | 10.6°C | 5.5°C | 20.4°C | 2.3°C | 32 mm | 82% | 2.4 m/s | 3.2 |
| 1997 | 14.1°C | 9.6°C | 5.1°C | 19.7°C | 1.7°C | 63 mm | 79% | 3 m/s | 3.1 |
| 1996 | 13.7°C | 9.8°C | 5.9°C | 17.9°C | 2.1°C | 84 mm | 85% | 3.2 m/s | 3 |
| 1995 | 15.4°C | 10.1°C | 4.7°C | 22.9°C | 0.9°C | 38 mm | 84% | 2.9 m/s | 3.4 |
| 1994 | 13.4°C | 8.8°C | 4.3°C | 21.4°C | 1.4°C | 30 mm | 81% | 2.6 m/s | 3.3 |
| 1993 | 16.3°C | 11.3°C | 6.2°C | 22.2°C | 2.1°C | 69 mm | 77% | 3.2 m/s | 3.2 |
| 1992 | 13.5°C | 9.0°C | 4.5°C | 18.8°C | 0.4°C | 92 mm | 82% | 3.4 m/s | 3.2 |
| 1991 | 13.7°C | 9.6°C | 5.5°C | 18.4°C | 1.9°C | 124 mm | 83% | 4.2 m/s | 3 |
| 1990 | 12.8°C | 9.0°C | 5.2°C | 15.8°C | 0.7°C | 102 mm | 87% | 3.5 m/s | 3 |
| 1989 ❄️ | 12.4°C | 8.4°C | 4.4°C | 16.4°C | -0.2°C | 101 mm | 87% | 3 m/s | 3.1 |
| 1988 | 14.7°C | 10.3°C | 6.0°C | 21.7°C | 2.5°C | 56 mm | 83% | 3 m/s | 2.9 |
| 1987 | 14.2°C | 9.6°C | 5.1°C | 18.8°C | 0.5°C | 42 mm | 85% | 2.6 m/s | 3.1 |
| 1986 | 14.0°C | 9.7°C | 5.3°C | 19.4°C | 1.4°C | 82 mm | 84% | 3 m/s | 3.2 |
| 1985 | 14.0°C | 9.7°C | 5.4°C | 19.7°C | 0.7°C | 82 mm | 83% | 2.9 m/s | 3.1 |
| 1984 | 13.8°C | 9.9°C | 6.0°C | 18.4°C | 2.5°C | 127 mm | 84% | 3.5 m/s | 3 |
| 1983 | 15.1°C | 10.5°C | 5.9°C | 20.6°C | 1.3°C | 79 mm | 84% | 2.8 m/s | — |
| 1982 | 17.5°C | 11.3°C | 5.0°C | 25.1°C | 1.2°C | 23 mm | 74% | 2.2 m/s | — |
| 1981 🌧️ | 13.4°C | 9.4°C | 5.4°C | 16.9°C | 0.4°C | 136 mm | 84% | 3.6 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 14.9°C with lows near 5.6°C (mean 10.3°C), based on 45 years of NASA POWER data.
August averages 60 mm of rainfall in Bordertown, a relatively wet time of year. The wettest on record was 136 mm in 1981.
The hottest August reached 25.9°C in 2023. The coldest dipped to -0.2°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.6°C. Daytime highs moved from 14.8°C to 16.7°C and overnight lows from 5.5°C to 6.9°C over the same span.
August is one of the cooler months of the year in Bordertown and a relatively wet time of year, so plan for around 14.9°C daytime highs and 5.6°C at night.
Not quite — August is the 2nd coolest month in Bordertown, averaging 10.3°C.
For August in Bordertown, pack warm layers and a jacket for chilly mornings, with typical highs of 14.9°C and lows of 5.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 80% — quite humid.
Average wind speed in August is 3 m/s. The windiest August on record averaged 4.2 m/s (1991).
The wettest August on record was 1981 with 136 mm. On average, August sees 60 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 Bordertown 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.
