August is one of the warmer months of the year in Brunswick, with average highs near 29.5°C and lows around 26.6°C (mean 28.1°C). It is a relatively wet time of year, averaging 169 mm of rainfall and 80% relative humidity across the period.
August is one of the warmer months of the year in Brunswick. Across 45 years of records, the warmest August in Brunswick was 2023 — when the month averaged 29.6°C — while the coldest was 2008 at 26.7°C. Typical August days reach 29.5°C with nights near 26.6°C. The long-term trend is warming, about 0.2°C per decade.
August is a relatively wet time of year in Brunswick, averaging 169 mm of rainfall. The wettest August on record was 2008 with 291 mm, while the driest was 2011 at 60 mm.
Relative humidity in Brunswick during August averages 80%. The most humid August was 2003 at 86%, and the least humid was 2000 at 72%.
August receives about 5.5 kWh/m²/day of solar energy in Brunswick. The sunniest August was 1999 at 6.3 kWh/m²/day, and the cloudiest was 2012 at 4.9.
Average wind speed in Brunswick during August is 3.2 m/s. The windiest August was 1995 at 4.3 m/s, while the calmest were 2003 and 2022 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.7°C | 27.9°C | 27.9°C | 28.2°C | 28.6°C | +0.9°C |
| Avg High | 29.2°C | 29.3°C | 29.3°C | 29.7°C | 30.1°C | +0.9°C |
| Avg Low | 26.3°C | 26.5°C | 26.4°C | 26.7°C | 27.2°C | +0.9°C |
| Avg Rain | 193 mm | 154 mm | 164 mm | 158 mm | 183 mm | -10 mm |
August temperatures in Brunswick have risen by about 1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 22.7°C (1991) to a record high of 35.6°C (1999).
Rainfall in August is a relatively wet time of year, averaging 169 mm, with a wettest year of 291 mm.
A quieter season to visit Brunswick
If your dates are flexible, the more temperate months of October and April tend to be the most comfortable for visiting Brunswick. That said, August — with days averaging 29.5°C and nights around 26.6°C (mean 28.1°C) and higher rainfall (169 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 | 30.0°C | 28.5°C | 27.1°C | 32.6°C | 25.7°C | 220 mm | 80% | 3.2 m/s | 5.2 |
| 2024 | 29.8°C | 28.4°C | 27.1°C | 32.8°C | 25.3°C | 224 mm | 82% | 3.8 m/s | 5.6 |
| 2023 🔥 | 31.3°C | 29.6°C | 27.9°C | 33.2°C | 26.3°C | 124 mm | 78% | 3.2 m/s | 5.7 |
| 2022 | 29.6°C | 28.3°C | 27.0°C | 31.2°C | 25.7°C | 143 mm | 79% | 2.7 m/s | 5.4 |
| 2021 | 29.5°C | 28.3°C | 27.1°C | 31.2°C | 25.3°C | 158 mm | 82% | 3.3 m/s | 5.1 |
| 2020 | 30.1°C | 28.6°C | 27.1°C | 31.5°C | 25.7°C | 227 mm | 80% | 3.2 m/s | 5.5 |
| 2019 | 29.8°C | 28.3°C | 26.8°C | 33.3°C | 25.7°C | 146 mm | 81% | 3.1 m/s | 5.5 |
| 2018 | 29.3°C | 27.9°C | 26.5°C | 30.5°C | 25.2°C | 127 mm | 82% | 2.8 m/s | 6 |
| 2017 | 29.4°C | 28.0°C | 26.6°C | 31.6°C | 22.9°C | 210 mm | 84% | 3.2 m/s | 5.4 |
| 2016 | 30.0°C | 28.7°C | 27.4°C | 32.6°C | 26.5°C | 109 mm | 77% | 3.7 m/s | 6 |
| 2015 | 29.4°C | 28.1°C | 26.7°C | 31.7°C | 25.8°C | 241 mm | 81% | 3.1 m/s | 5.4 |
| 2014 | 30.2°C | 28.5°C | 26.7°C | 34.6°C | 25.1°C | 124 mm | 79% | 3.2 m/s | 6 |
| 2013 | 29.2°C | 27.9°C | 26.5°C | 31.9°C | 25.3°C | 187 mm | 81% | 3 m/s | 5.7 |
| 2012 | 28.1°C | 26.8°C | 25.5°C | 30.4°C | 23.0°C | 215 mm | 85% | 3.1 m/s | 4.9 |
| 2011 | 30.8°C | 28.8°C | 26.8°C | 33.4°C | 25.7°C | 60 mm | 78% | 3 m/s | 6.2 |
| 2010 | 30.3°C | 28.8°C | 27.3°C | 31.7°C | 26.0°C | 158 mm | 80% | 3.1 m/s | 5.5 |
| 2009 | 28.9°C | 27.6°C | 26.2°C | 30.9°C | 24.3°C | 175 mm | 82% | 2.8 m/s | 5.4 |
| 2008 ❄️ 🌧️ | 28.2°C | 26.7°C | 25.2°C | 31.9°C | 23.5°C | 291 mm | 85% | 3.4 m/s | 5 |
| 2007 | 30.3°C | 28.8°C | 27.3°C | 33.5°C | 25.7°C | 118 mm | 78% | 3 m/s | 5.7 |
| 2006 | 30.2°C | 28.5°C | 26.9°C | 32.5°C | 24.9°C | 175 mm | 78% | 3.1 m/s | 5.9 |
| 2005 | 30.4°C | 29.0°C | 27.6°C | 33.0°C | 26.5°C | 159 mm | 79% | 3 m/s | 5.5 |
| 2004 | 28.9°C | 27.5°C | 26.1°C | 31.6°C | 24.9°C | 177 mm | 80% | 3.2 m/s | 5.2 |
| 2003 | 28.0°C | 26.9°C | 25.7°C | 29.3°C | 24.2°C | 116 mm | 86% | 2.7 m/s | 5.6 |
| 2002 | 29.0°C | 27.7°C | 26.3°C | 33.0°C | 25.1°C | 199 mm | 78% | 3.5 m/s | 5.7 |
| 2001 | 29.8°C | 28.1°C | 26.4°C | 31.2°C | 25.1°C | 127 mm | 78% | 3 m/s | 6.1 |
| 2000 | 29.7°C | 28.0°C | 26.2°C | 32.3°C | 24.7°C | 105 mm | 72% | 3.1 m/s | 5.9 |
| 1999 | 30.7°C | 28.8°C | 27.0°C | 35.6°C | 24.4°C | 78 mm | 77% | 3.3 m/s | 6.3 |
| 1998 | 29.3°C | 27.9°C | 26.5°C | 32.5°C | 24.7°C | 161 mm | 80% | 3.2 m/s | 5.6 |
| 1997 | 29.3°C | 27.9°C | 26.4°C | 31.6°C | 24.6°C | 104 mm | 78% | 3.6 m/s | 5.7 |
| 1996 | 28.6°C | 27.3°C | 26.1°C | 30.1°C | 25.1°C | 130 mm | 77% | 3.2 m/s | 5.4 |
| 1995 | 29.5°C | 28.3°C | 27.0°C | 33.5°C | 25.2°C | 261 mm | 79% | 4.3 m/s | 5.3 |
| 1994 | 28.4°C | 27.1°C | 25.9°C | 30.9°C | 24.3°C | 74 mm | 79% | 3.4 m/s | 5.7 |
| 1993 | 29.8°C | 28.2°C | 26.6°C | 32.7°C | 25.3°C | 110 mm | 77% | 3.3 m/s | 5.6 |
| 1992 | 28.7°C | 27.5°C | 26.3°C | 30.9°C | 24.8°C | 236 mm | 80% | 3.1 m/s | 5.3 |
| 1991 | 28.9°C | 27.6°C | 26.3°C | 30.3°C | 22.7°C | 189 mm | 82% | 3.1 m/s | 5.6 |
| 1990 | 29.7°C | 28.3°C | 26.9°C | 32.4°C | 26.1°C | 201 mm | 77% | 2.8 m/s | 5.9 |
| 1989 | 28.7°C | 27.4°C | 26.1°C | 33.3°C | 24.0°C | 180 mm | 81% | 3 m/s | 5.1 |
| 1988 | 29.0°C | 27.8°C | 26.6°C | 30.9°C | 25.6°C | 217 mm | 80% | 3.3 m/s | 5.2 |
| 1987 | 30.4°C | 28.7°C | 27.1°C | 32.9°C | 26.0°C | 153 mm | 78% | 2.9 m/s | 5.7 |
| 1986 | 28.9°C | 27.4°C | 25.9°C | 32.3°C | 23.1°C | 263 mm | 82% | 3.3 m/s | 5 |
| 1985 | 28.7°C | 27.4°C | 26.2°C | 31.5°C | 24.1°C | 269 mm | 80% | 3.7 m/s | 5.1 |
| 1984 | 29.2°C | 27.5°C | 25.7°C | 31.3°C | 23.5°C | 115 mm | 77% | 2.9 m/s | 5.5 |
| 1983 | 29.9°C | 28.2°C | 26.6°C | 33.9°C | 25.1°C | 145 mm | 79% | 3.1 m/s | — |
| 1982 | 28.9°C | 27.5°C | 26.1°C | 31.7°C | 25.0°C | 176 mm | 79% | 3.2 m/s | — |
| 1981 | 28.7°C | 27.4°C | 26.1°C | 31.6°C | 23.4°C | 216 mm | 79% | 3.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 29.5°C with lows near 26.6°C (mean 28.1°C), based on 45 years of NASA POWER data.
August averages 169 mm of rainfall in Brunswick, a relatively wet time of year. The wettest on record was 291 mm in 2008.
The hottest August reached 35.6°C in 1999. The coldest dipped to 22.7°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1°C. Daytime highs moved from 29.1°C to 30°C and overnight lows from 26.1°C to 27.2°C over the same span.
August is one of the warmer months of the year in Brunswick and a relatively wet time of year, so plan for around 29.5°C daytime highs and 26.6°C at night.
Not quite — August is the 11th coolest month in Brunswick, averaging 28.1°C.
For August in Brunswick, pack light layers you can adjust through the day, with typical highs of 29.5°C and lows of 26.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 80% — quite humid.
Average wind speed in August is 3.2 m/s. The windiest August on record averaged 4.3 m/s (1995).
The wettest August on record was 2008 with 291 mm. On average, August sees 169 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 Brunswick 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.
