August is one of the cooler months of the year in Ipswich, with average highs near 21.4°C and lows around 8.2°C (mean 14.8°C). It is one of the drier months, averaging 33 mm of rainfall and 68% relative humidity across the period.
August is one of the cooler months of the year in Ipswich. Across 45 years of records, the warmest August in Ipswich was 2024 — when the month averaged 18.5°C — while the coldest was 1990 at 11.9°C. Typical August days reach 21.4°C with nights near 8.2°C. The long-term trend is warming, about 0.6°C per decade.
August is one of the drier months in Ipswich, averaging 33 mm of rainfall. The wettest August on record was 2007 with 110 mm, while the driest was 1991 at 1 mm.
Relative humidity in Ipswich during August averages 68%. The most humid Augusts were 1983 and 1988 at 82%, and the least humid was 2018 at 48%.
August receives about 4.4 kWh/m²/day of solar energy in Ipswich. The sunniest Augusts were 2013, 2017 and 2018 at 5 kWh/m²/day, and the cloudiest were 1998 and 2007 at 3.9.
Average wind speed in Ipswich during August is 1.2 m/s. The windiest August was 1990 at 1.4 m/s, while the calmest were 2006, 2013 and 2022, among others at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.5°C | 14.4°C | 15.1°C | 15.2°C | 16.1°C | +2.6°C |
| Avg High | 19.6°C | 20.9°C | 22.0°C | 22.2°C | 22.7°C | +3.1°C |
| Avg Low | 7.4°C | 7.9°C | 8.2°C | 8.3°C | 9.5°C | +2.1°C |
| Avg Rain | 46 mm | 29 mm | 33 mm | 33 mm | 21 mm | -25 mm |
August temperatures in Ipswich have risen by about 2.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 0°C (1995) to a record high of 34.1°C (2024).
Rainfall in August is one of the drier months, averaging 33 mm, with a wettest year of 110 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.8°C per decade while lows rose 0.5°C per decade, widening the gap between day and night.
A quieter season to visit Ipswich
If your dates are flexible, the more temperate months of October and November tend to be the most comfortable for visiting Ipswich. That said, August — with days averaging 21.4°C and nights around 8.2°C (mean 14.8°C) and moderate rainfall (33 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 | 20.6°C | 14.7°C | 8.9°C | 27.2°C | 3.8°C | 28 mm | 74% | 1.1 m/s | 4.3 |
| 2024 🔥 | 25.0°C | 18.5°C | 11.9°C | 34.1°C | 5.9°C | 46 mm | 70% | 1.2 m/s | 4.2 |
| 2023 | 24.6°C | 17.8°C | 11.0°C | 28.9°C | 6.8°C | 10 mm | 63% | 1.1 m/s | 4.4 |
| 2022 | 20.4°C | 14.3°C | 8.2°C | 24.7°C | 4.1°C | 17 mm | 74% | 1 m/s | 4.2 |
| 2021 | 23.4°C | 16.2°C | 9.1°C | 27.7°C | 3.5°C | 6 mm | 66% | 1.1 m/s | 4.6 |
| 2020 | 22.3°C | 15.2°C | 8.1°C | 27.7°C | 3.6°C | 18 mm | 64% | 1.2 m/s | 4.6 |
| 2019 | 23.3°C | 16.2°C | 9.0°C | 27.5°C | 4.1°C | 6 mm | 59% | 1.1 m/s | 4.6 |
| 2018 | 23.7°C | 15.7°C | 7.8°C | 27.7°C | 2.8°C | 7 mm | 48% | 1.2 m/s | 5 |
| 2017 | 24.1°C | 16.3°C | 8.5°C | 30.6°C | 4.3°C | 4 mm | 53% | 1.1 m/s | 5 |
| 2016 | 21.8°C | 15.3°C | 8.9°C | 25.2°C | 4.7°C | 37 mm | 71% | 1.1 m/s | 4.2 |
| 2015 | 22.7°C | 15.5°C | 8.3°C | 27.7°C | 2.2°C | 41 mm | 66% | 1.1 m/s | 4.4 |
| 2014 | 20.7°C | 14.8°C | 9.0°C | 26.0°C | 6.0°C | 82 mm | 72% | 1.3 m/s | 4.1 |
| 2013 | 23.4°C | 15.9°C | 8.4°C | 29.5°C | 2.2°C | 5 mm | 62% | 1 m/s | 5 |
| 2012 | 21.3°C | 14.1°C | 6.9°C | 26.9°C | 2.8°C | 3 mm | 63% | 1.1 m/s | 4.8 |
| 2011 | 21.2°C | 15.1°C | 8.9°C | 25.4°C | 4.7°C | 66 mm | 73% | 1.2 m/s | 4 |
| 2010 | 20.0°C | 13.6°C | 7.2°C | 27.1°C | 3.5°C | 82 mm | 71% | 1.3 m/s | 4.3 |
| 2009 | 24.6°C | 17.2°C | 9.8°C | 33.8°C | 5.7°C | 10 mm | 65% | 1.1 m/s | 4.9 |
| 2008 | 20.0°C | 13.0°C | 6.0°C | 26.5°C | 0.1°C | 10 mm | 65% | 1.1 m/s | 4.6 |
| 2007 🌧️ | 21.6°C | 15.5°C | 9.5°C | 27.0°C | 3.3°C | 110 mm | 71% | 1.3 m/s | 3.9 |
| 2006 | 23.0°C | 15.7°C | 8.5°C | 29.4°C | 5.1°C | 48 mm | 62% | 1 m/s | 4.6 |
| 2005 | 21.1°C | 14.6°C | 8.1°C | 25.5°C | 2.8°C | 13 mm | 68% | 1.2 m/s | 4.4 |
| 2004 | 23.1°C | 15.5°C | 7.9°C | 29.5°C | 3.4°C | 22 mm | 55% | 1.2 m/s | 4.9 |
| 2003 | 21.9°C | 15.3°C | 8.6°C | 28.7°C | 0.4°C | 23 mm | 69% | 1.1 m/s | 4.2 |
| 2002 | 21.4°C | 15.0°C | 8.7°C | 27.2°C | 3.7°C | 73 mm | 67% | 1.2 m/s | 4 |
| 2001 | 21.6°C | 14.3°C | 7.1°C | 25.1°C | 3.6°C | 12 mm | 61% | 1.3 m/s | 4.6 |
| 2000 | 21.8°C | 14.9°C | 8.0°C | 27.2°C | 3.2°C | 12 mm | 62% | 1.3 m/s | 4.4 |
| 1999 | 19.1°C | 13.9°C | 8.7°C | 24.0°C | 3.9°C | 60 mm | 81% | 1.1 m/s | 4.1 |
| 1998 | 20.7°C | 15.6°C | 10.5°C | 24.8°C | 1.8°C | 74 mm | 80% | 1.2 m/s | 3.9 |
| 1997 | 21.3°C | 14.6°C | 7.8°C | 26.6°C | 2.8°C | 7 mm | 66% | 1.1 m/s | 4.6 |
| 1996 | 20.4°C | 14.1°C | 7.9°C | 27.1°C | 2.3°C | 44 mm | 73% | 1.1 m/s | 4.2 |
| 1995 | 22.1°C | 15.3°C | 8.5°C | 31.2°C | 0.0°C | 21 mm | 66% | 1.1 m/s | 4.4 |
| 1994 | 20.9°C | 14.1°C | 7.3°C | 25.2°C | 1.2°C | 12 mm | 64% | 1.1 m/s | 4.6 |
| 1993 | 21.9°C | 15.2°C | 8.4°C | 26.7°C | 2.7°C | 33 mm | 69% | 1.1 m/s | 4.4 |
| 1992 | 21.2°C | 14.1°C | 7.0°C | 26.4°C | 3.2°C | 24 mm | 65% | 1.2 m/s | 4.5 |
| 1991 | 22.9°C | 15.2°C | 7.5°C | 27.6°C | 3.0°C | 1 mm | 55% | 1.3 m/s | 4.7 |
| 1990 ❄️ | 18.4°C | 11.9°C | 5.4°C | 21.8°C | 1.5°C | 15 mm | 69% | 1.4 m/s | 4.6 |
| 1989 | 18.0°C | 12.0°C | 6.0°C | 23.8°C | 1.1°C | 44 mm | 75% | 1.1 m/s | 4.7 |
| 1988 | 18.9°C | 13.8°C | 8.6°C | 24.5°C | 0.2°C | 69 mm | 82% | 1.2 m/s | 4.1 |
| 1987 | 20.5°C | 14.7°C | 8.9°C | 24.4°C | 3.8°C | 67 mm | 76% | 1.1 m/s | 4.2 |
| 1986 | 19.7°C | 13.4°C | 7.2°C | 23.6°C | 5.0°C | 49 mm | 69% | 1.1 m/s | 4.1 |
| 1985 | 20.0°C | 13.7°C | 7.4°C | 27.3°C | 0.5°C | 48 mm | 73% | 1 m/s | 4.2 |
| 1984 | 19.4°C | 12.8°C | 6.3°C | 23.5°C | 1.4°C | 30 mm | 73% | 1.1 m/s | 4.7 |
| 1983 | 17.9°C | 12.9°C | 7.8°C | 20.5°C | 2.5°C | 52 mm | 82% | 1.1 m/s | — |
| 1982 | 21.4°C | 15.2°C | 9.1°C | 27.3°C | 2.1°C | 26 mm | 70% | 1.1 m/s | — |
| 1981 | 20.8°C | 13.2°C | 5.7°C | 25.5°C | 2.1°C | 29 mm | 61% | 1.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 21.4°C with lows near 8.2°C (mean 14.8°C), based on 45 years of NASA POWER data.
August averages 33 mm of rainfall in Ipswich, one of the drier months. The wettest on record was 110 mm in 2007.
The hottest August reached 34.1°C in 2024. The coldest dipped to 0°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.7°C. Daytime highs moved from 19.9°C to 22.8°C and overnight lows from 7.3°C to 9.8°C over the same span.
August is one of the cooler months of the year in Ipswich and one of the drier months, so plan for around 21.4°C daytime highs and 8.2°C at night.
Not quite — August is the 3rd coolest month in Ipswich, averaging 14.8°C.
For August in Ipswich, pack light layers you can adjust through the day, with typical highs of 21.4°C and lows of 8.2°C.
Relative humidity in August averages 68% — moderately humid.
Average wind speed in August is 1.2 m/s. The windiest August on record averaged 1.4 m/s (1990).
The wettest August on record was 2007 with 110 mm. On average, August sees 33 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 Ipswich 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.
