August is one of the warmer months of the year in Niwari, with average highs near 34°C and lows around 23.2°C (mean 28.6°C). It is a relatively wet time of year, averaging 275 mm of rainfall and 83% relative humidity across the period.
August is one of the warmer months of the year in Niwari. Across 45 years of records, the warmest August in Niwari was 1987 — when the month averaged 32.7°C — while the coldest were 1986, 1996 and 2016 at 26.9°C. Typical August days reach 34°C with nights near 23.2°C. The long-term August temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.8°C | 28.5°C | 29.2°C | 28.2°C | 28.1°C | -0.7°C |
| Avg High | 34.8°C | 33.7°C | 35.2°C | 33.2°C | 33.1°C | -1.7°C |
| Avg Low | 22.8°C | 23.4°C | 23.3°C | 23.3°C | 23.1°C | +0.3°C |
| Avg Rain | 299 mm | 287 mm | 227 mm | 287 mm | 280 mm | -19 mm |
August temperatures in Niwari have stayed relatively stable across the record.
August has ranged from a record low of 20.5°C (1986) to a record high of 41.5°C (1987).
Rainfall in August is a relatively wet time of year, averaging 275 mm, with a wettest year of 506 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.4°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Niwari
If your dates are flexible, the more temperate months of February and November tend to be the most comfortable for visiting Niwari. That said, August — with days averaging 34°C and nights around 23.2°C (mean 28.6°C) and higher rainfall (275 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.0°C | 23.1°C | 27.6°C | 192 mm | 89% | 2.2 m/s | 4.4 |
| 2024 | 32.1°C | 23.7°C | 27.9°C | 359 mm | 86% | 2 m/s | 3.9 |
| 2023 | 33.0°C | 22.5°C | 27.7°C | 195 mm | 84% | 2.8 m/s | 4.2 |
| 2022 | 33.1°C | 22.6°C | 27.9°C | 329 mm | 85% | 2.5 m/s | 3.9 |
| 2021 | 33.2°C | 24.0°C | 28.6°C | 287 mm | 84% | 2.8 m/s | 4 |
| 2020 | 35.0°C | 22.9°C | 29.0°C | 317 mm | 84% | 2.5 m/s | 3.9 |
| 2019 | 34.3°C | 23.0°C | 28.6°C | 312 mm | 85% | 2.3 m/s | 3.9 |
| 2018 | 32.6°C | 23.7°C | 28.2°C | 278 mm | 87% | 2.5 m/s | 3.7 |
| 2017 | 34.7°C | 24.1°C | 29.4°C | 109 mm | 79% | 2.4 m/s | 4.4 |
| 2016 | 32.0°C | 21.8°C | 26.9°C | 357 mm | 88% | 2.4 m/s | 3.9 |
| 2015 | 32.9°C | 23.1°C | 28.0°C | 265 mm | 83% | 2.3 m/s | 4.9 |
| 2014 | 34.6°C | 23.1°C | 28.9°C | 292 mm | 83% | 2.5 m/s | 4.8 |
| 2013 | 32.4°C | 22.9°C | 27.7°C | 460 mm | 89% | 2.2 m/s | 3.8 |
| 2012 | 33.0°C | 23.3°C | 28.1°C | 283 mm | 86% | 2 m/s | 3.8 |
| 2011 | 32.1°C | 23.9°C | 28.0°C | 275 mm | 88% | 1.9 m/s | 4.5 |
| 2010 | 33.0°C | 24.0°C | 28.5°C | 241 mm | 84% | 1.7 m/s | 4.8 |
| 2009 | 38.1°C | 24.0°C | 31.0°C | 147 mm | 74% | 2.8 m/s | 4.9 |
| 2008 | 32.5°C | 23.3°C | 27.9°C | 235 mm | 87% | 2.2 m/s | 4.8 |
| 2007 | 33.5°C | 23.5°C | 28.5°C | 238 mm | 82% | 2.5 m/s | 4.4 |
| 2006 | 32.9°C | 23.0°C | 27.9°C | 258 mm | 85% | 3.2 m/s | 4.4 |
| 2005 | 34.8°C | 22.9°C | 28.9°C | 69 mm | 81% | 2.5 m/s | 4.8 |
| 2004 | 33.0°C | 22.9°C | 27.9°C | 347 mm | 86% | 2.6 m/s | 4 |
| 2003 | 35.1°C | 23.5°C | 29.3°C | 237 mm | 81% | 2.5 m/s | 4.1 |
| 2002 | 40.6°C | 23.3°C | 31.9°C | 393 mm | 80% | 2.2 m/s | 4 |
| 2001 | 32.7°C | 21.7°C | 27.2°C | 235 mm | 84% | 1.9 m/s | 4.9 |
| 2000 | 39.0°C | 24.4°C | 31.7°C | 107 mm | 72% | 2.6 m/s | 4.7 |
| 1999 | 34.0°C | 23.0°C | 28.5°C | 176 mm | 82% | 2.5 m/s | 4.1 |
| 1998 | 33.6°C | 24.5°C | 29.0°C | 220 mm | 84% | 1.8 m/s | 4.6 |
| 1997 | 33.5°C | 23.5°C | 28.5°C | 395 mm | 83% | 3 m/s | 4.5 |
| 1996 | 31.7°C | 22.2°C | 26.9°C | 362 mm | 88% | 2.1 m/s | 3.7 |
| 1995 | 32.4°C | 23.8°C | 28.1°C | 374 mm | 87% | 2.6 m/s | 4 |
| 1994 | 32.1°C | 23.3°C | 27.7°C | 270 mm | 87% | 2.4 m/s | 3.9 |
| 1993 | 38.9°C | 23.1°C | 31.0°C | 132 mm | 69% | 3 m/s | 4.5 |
| 1992 | 34.2°C | 23.2°C | 28.7°C | 367 mm | 83% | 2.1 m/s | 4.2 |
| 1991 | 33.9°C | 23.3°C | 28.6°C | 305 mm | 86% | 3.1 m/s | 3.5 |
| 1990 | 32.3°C | 23.9°C | 28.1°C | 266 mm | 87% | 2.3 m/s | 4.7 |
| 1989 | 39.1°C | 23.5°C | 31.3°C | 235 mm | 75% | 2.1 m/s | 4.6 |
| 1988 | 34.0°C | 23.6°C | 28.8°C | 172 mm | 84% | 2.4 m/s | 4.5 |
| 1987 🔥 | 41.5°C | 23.8°C | 32.7°C | 274 mm | 65% | 2.3 m/s | 4.7 |
| 1986 ❄️ | 33.3°C | 20.5°C | 26.9°C | 167 mm | 84% | 2.5 m/s | 5.1 |
| 1985 | 32.3°C | 22.4°C | 27.4°C | 415 mm | 86% | 2.4 m/s | 4.3 |
| 1984 | 34.0°C | 23.5°C | 28.7°C | 371 mm | 83% | 2.9 m/s | 4.8 |
| 1983 | 34.1°C | 23.8°C | 29.0°C | 307 mm | 85% | 2.5 m/s | — |
| 1982 🌧️ | 31.7°C | 22.4°C | 27.0°C | 506 mm | 89% | 2.3 m/s | — |
| 1981 | 33.2°C | 22.0°C | 27.6°C | 239 mm | 86% | 2.6 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 34°C with lows near 23.2°C (mean 28.6°C), based on 45 years of NASA POWER data.
August averages 275 mm of rainfall in Niwari, a relatively wet time of year. The wettest on record was 506 mm in 1982.
The hottest August reached 41.5°C in 1987. The coldest dipped to 20.5°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have held steady by about 0°C. Daytime highs moved from 33.1°C to 32.7°C and overnight lows from 22.8°C to 23.2°C over the same span.
August is one of the warmer months of the year in Niwari and a relatively wet time of year, so plan for around 34°C daytime highs and 23.2°C at night.
Not quite — August is the 8th coolest month in Niwari, averaging 28.6°C.
For August in Niwari, pack light, breathable clothing and sun protection, with typical highs of 34°C and lows of 23.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 83% — quite humid.
Average wind speed in August is 2.4 m/s. The windiest August on record averaged 3.2 m/s (2006).
The wettest August on record was 1982 with 506 mm. On average, August sees 275 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 Niwari 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.
