August is one of the cooler months of the year in Katherine, with average highs near 33.5°C and lows around 16.7°C (mean 25.1°C). It is one of the drier months, averaging 1 mm of rainfall and 38% relative humidity across the period.
August is one of the cooler months of the year in Katherine. Across 45 years of records, the warmest August in Katherine was 1981 — when the month averaged 27.8°C — while the coldest was 2006 at 23.2°C. Typical August days reach 33.5°C with nights near 16.7°C. The long-term August temperature trend is broadly flat.
August is one of the drier months in Katherine, averaging 1 mm of rainfall. The wettest August on record was 2007 with 36 mm, while the driest were 2023, 2024 and 2025, among others at 0 mm.
Relative humidity in Katherine during August averages 38%. The most humid August was 1982 at 49%, and the least humid was 2002 at 30%.
August receives about 6.2 kWh/m²/day of solar energy in Katherine. The sunniest Augusts were 1989, 1990 and 2014, among others at 6.5 kWh/m²/day, and the cloudiest was 1997 at 5.6.
Average wind speed in Katherine during August is 3.3 m/s. The windiest August was 1995 at 4.2 m/s, while the calmest was 2000 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.7°C | 25.0°C | 24.5°C | 24.8°C | 26.0°C | +0.3°C |
| Avg High | 33.9°C | 33.5°C | 33.1°C | 33.3°C | 34.3°C | +0.4°C |
| Avg Low | 17.5°C | 16.6°C | 16.0°C | 16.3°C | 17.8°C | +0.3°C |
| Avg Rain | 1 mm | 0 mm | 4 mm | 0 mm | 0 mm | -1 mm |
August temperatures in Katherine have fallen by about 0.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 7.1°C (1990) to a record high of 39.2°C (1989).
Rainfall in August is one of the drier months, averaging 1 mm, with a wettest year of 36 mm.
One of the best times to visit Katherine
August is one of the best times to visit Katherine. Expect days averaging 33.5°C and nights around 16.7°C (mean 25.1°C) — cooler than Katherine's yearly average — with low rainfall (1 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 33.2°C | 24.7°C | 16.2°C | 37.6°C | 10.6°C | 0 mm | 32% | 3.4 m/s | 6.2 |
| 2024 | 35.1°C | 26.8°C | 18.5°C | 38.3°C | 13.9°C | 0 mm | 43% | 3.3 m/s | 6.3 |
| 2023 | 33.9°C | 25.9°C | 17.9°C | 35.7°C | 16.1°C | 0 mm | 45% | 3.9 m/s | 6.1 |
| 2022 | 34.3°C | 25.9°C | 17.6°C | 37.0°C | 12.2°C | 0 mm | 38% | 3.3 m/s | 6.1 |
| 2021 | 34.2°C | 26.1°C | 18.1°C | 37.5°C | 12.8°C | 0 mm | 37% | 3.3 m/s | 6.2 |
| 2020 | 35.2°C | 26.7°C | 18.2°C | 38.3°C | 13.7°C | 0 mm | 36% | 3.1 m/s | 6.2 |
| 2019 | 32.8°C | 24.5°C | 16.2°C | 35.6°C | 11.0°C | 0 mm | 34% | 3.3 m/s | 6.3 |
| 2018 | 33.4°C | 25.1°C | 16.8°C | 35.8°C | 11.3°C | 0 mm | 30% | 2.7 m/s | 6.1 |
| 2017 | 34.5°C | 25.9°C | 17.2°C | 36.9°C | 13.8°C | 0 mm | 35% | 3.3 m/s | 6.4 |
| 2016 | 33.5°C | 25.5°C | 17.6°C | 37.5°C | 9.7°C | 0 mm | 38% | 3.3 m/s | 6.1 |
| 2015 | 33.5°C | 24.9°C | 16.3°C | 37.3°C | 10.5°C | 0 mm | 38% | 3.2 m/s | 6.3 |
| 2014 | 32.0°C | 23.3°C | 14.6°C | 35.0°C | 11.3°C | 0 mm | 30% | 3.7 m/s | 6.5 |
| 2013 | 34.0°C | 25.2°C | 16.3°C | 37.2°C | 12.2°C | 0 mm | 35% | 3 m/s | 6.4 |
| 2012 | 32.8°C | 23.8°C | 14.8°C | 36.7°C | 9.3°C | 0 mm | 35% | 3.2 m/s | 6.4 |
| 2011 | 31.9°C | 23.6°C | 15.3°C | 36.3°C | 11.4°C | 0 mm | 44% | 3.3 m/s | 6.3 |
| 2010 | 34.1°C | 25.9°C | 17.7°C | 37.8°C | 12.3°C | 2 mm | 35% | 3.5 m/s | 5.9 |
| 2009 | 35.0°C | 26.1°C | 17.3°C | 38.7°C | 13.2°C | 5 mm | 39% | 2.9 m/s | 6.3 |
| 2008 | 32.8°C | 24.4°C | 16.0°C | 38.0°C | 11.6°C | 0 mm | 35% | 3.9 m/s | 6.2 |
| 2007 🌧️ | 32.0°C | 23.9°C | 15.8°C | 35.7°C | 10.6°C | 36 mm | 44% | 3.3 m/s | 6 |
| 2006 ❄️ | 31.8°C | 23.2°C | 14.7°C | 35.6°C | 9.9°C | 0 mm | 45% | 3.7 m/s | 6.4 |
| 2005 | 32.9°C | 24.7°C | 16.4°C | 35.1°C | 12.8°C | 0 mm | 40% | 3.5 m/s | 6 |
| 2004 | 33.1°C | 24.4°C | 15.6°C | 35.6°C | 10.6°C | 0 mm | 38% | 2.7 m/s | 6.3 |
| 2003 | 34.1°C | 26.2°C | 18.3°C | 36.2°C | 11.0°C | 3 mm | 42% | 3 m/s | 5.8 |
| 2002 | 32.6°C | 23.4°C | 14.3°C | 35.0°C | 9.8°C | 0 mm | 30% | 3.2 m/s | 6.3 |
| 2001 | 32.5°C | 23.6°C | 14.8°C | 35.3°C | 11.0°C | 0 mm | 37% | 3.1 m/s | 6.2 |
| 2000 | 33.9°C | 25.5°C | 17.2°C | 37.9°C | 14.0°C | 0 mm | 42% | 2.5 m/s | 6.3 |
| 1999 | 33.0°C | 24.5°C | 16.0°C | 36.1°C | 11.0°C | 0 mm | 38% | 3.4 m/s | 5.9 |
| 1998 | 34.5°C | 26.1°C | 17.7°C | 38.1°C | 13.1°C | 1 mm | 35% | 3.3 m/s | 5.8 |
| 1997 | 32.6°C | 24.8°C | 16.9°C | 35.0°C | 11.4°C | 0 mm | 41% | 3.1 m/s | 5.6 |
| 1996 | 34.1°C | 26.0°C | 17.8°C | 37.7°C | 12.8°C | 2 mm | 42% | 3.2 m/s | 5.7 |
| 1995 | 32.9°C | 24.6°C | 16.3°C | 37.5°C | 8.7°C | 0 mm | 43% | 4.2 m/s | 5.8 |
| 1994 | 32.1°C | 23.3°C | 14.5°C | 34.7°C | 8.4°C | 0 mm | 38% | 4 m/s | 6.3 |
| 1993 | 33.4°C | 25.4°C | 17.5°C | 35.1°C | 13.3°C | 0 mm | 43% | 3.4 m/s | 6.2 |
| 1992 | 34.6°C | 26.3°C | 18.0°C | 37.2°C | 14.0°C | 0 mm | 36% | 3.2 m/s | 6.3 |
| 1991 | 33.7°C | 24.6°C | 15.5°C | 38.3°C | 13.3°C | 0 mm | 33% | 3.2 m/s | 6.2 |
| 1990 | 34.1°C | 24.8°C | 15.5°C | 37.3°C | 7.1°C | 0 mm | 31% | 3.2 m/s | 6.5 |
| 1989 | 32.6°C | 24.0°C | 15.3°C | 39.2°C | 10.4°C | 0 mm | 33% | 3.5 m/s | 6.5 |
| 1988 | 34.9°C | 26.8°C | 18.8°C | 38.3°C | 14.0°C | 0 mm | 39% | 3.7 m/s | 6.1 |
| 1987 | 33.8°C | 25.2°C | 16.7°C | 37.8°C | 11.9°C | 0 mm | 34% | 3.2 m/s | 6.2 |
| 1986 | 32.6°C | 24.3°C | 16.0°C | 37.3°C | 8.8°C | 5 mm | 37% | 2.9 m/s | 6.2 |
| 1985 | 35.1°C | 26.6°C | 18.1°C | 38.0°C | 14.0°C | 0 mm | 43% | 3.2 m/s | 6.5 |
| 1984 | 34.5°C | 26.7°C | 18.8°C | 37.6°C | 12.9°C | 1 mm | 41% | 2.6 m/s | 6.4 |
| 1983 | 34.0°C | 25.9°C | 17.8°C | 37.5°C | 11.9°C | 0 mm | 43% | 3.6 m/s | — |
| 1982 | 31.7°C | 23.8°C | 15.9°C | 33.3°C | 8.8°C | 2 mm | 49% | 4 m/s | — |
| 1981 🔥 | 35.8°C | 27.8°C | 19.9°C | 37.9°C | 11.6°C | 0 mm | 36% | 2.8 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 33.5°C with lows near 16.7°C (mean 25.1°C), based on 45 years of NASA POWER data.
August averages 1 mm of rainfall in Katherine, one of the drier months. The wettest on record was 36 mm in 2007.
The hottest August reached 39.2°C in 1989. The coldest dipped to 7.1°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have fallen by about 0.3°C. Daytime highs moved from 34.2°C to 34.1°C and overnight lows from 18.1°C to 17.7°C over the same span.
August is one of the cooler months of the year in Katherine and one of the drier months, so plan for around 33.5°C daytime highs and 16.7°C at night.
Not quite — August is the 4th coolest month in Katherine, averaging 25.1°C.
For August in Katherine, pack light, breathable clothing and sun protection, with typical highs of 33.5°C and lows of 16.7°C.
Relative humidity in August averages 38% — relatively dry.
Average wind speed in August is 3.3 m/s. The windiest August on record averaged 4.2 m/s (1995).
The wettest August on record was 2007 with 36 mm. On average, August sees 1 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 Katherine 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.
