Grafton Weather in August
Average highs run from 19°C on August 1 to 21°C on August 31, and lows from 11°C to 13°C. Normal precipitation for the month is 51 mm over about 6 wet days.
August day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 20°C
- Average low
- 12°C
- Precipitation
- 51 mm
- Record high
- 36°CAug 24, 2009
- Record low
- -3°CAug 21, 2018
- Daylight
- 10 h 42 min to 11 h 28 min
- Cloud cover
- 39%
- Humidity
- 69%
- Dew point
- 9°C
- Wind
- 12.2 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 19°C | 11°C | 31°C 2021 | 1°C 2012 | 18% |
| Aug 2 | 19°C | 11°C | 27°C 2007 | 0°C 2012 | 16% |
| Aug 3 | 19°C | 11°C | 29°C 2007 | 0°C 2008 | 15% |
| Aug 4 | 20°C | 11°C | 26°C 2022 | 1°C 2012 | 14% |
| Aug 5 | 20°C | 11°C | 25°C 2020 | -2°C 2007 | 13% |
| Aug 6 | 20°C | 11°C | 28°C 2018 | -1°C 2007 | 13% |
| Aug 7 | 20°C | 11°C | 25°C 2013 | -1°C 2015 | 14% |
| Aug 8 | 20°C | 11°C | 27°C 2019 | 0°C 2018 | 15% |
| Aug 9 | 20°C | 11°C | 26°C 2006 | -1°C 2017 | 16% |
| Aug 10 | 20°C | 11°C | 27°C 2007 | -1°C 2008 | 17% |
| Aug 11 | 20°C | 11°C | 28°C 2007 | 0°C 2008 | 18% |
| Aug 12 | 20°C | 11°C | 30°C 2013 | -1°C 2008 | 17% |
| Aug 13 | 20°C | 11°C | 27°C 2020 | -2°C 2008 | 17% |
| Aug 14 | 20°C | 11°C | 30°C 2023 | -2°C 2008 | 18% |
| Aug 15 | 20°C | 11°C | 29°C 2018 | 0°C 2018 | 18% |
| Aug 16 | 20°C | 11°C | 33°C 2017 | 2°C 2018 | 19% |
| Aug 17 | 20°C | 11°C | 30°C 2009 | 1°C 2008 | 20% |
| Aug 18 | 20°C | 12°C | 26°C 2018 | 2°C 2008 | 22% |
| Aug 19 | 20°C | 12°C | 28°C 2019 | 2°C 2008 | 22% |
| Aug 20 | 20°C | 12°C | 25°C 2016 | 0°C 2019 | 24% |
| Aug 21 | 20°C | 12°C | 28°C 2019 | -3°C 2018 | 25% |
| Aug 22 | 20°C | 12°C | 29°C 2006 | -2°C 2013 | 25% |
| Aug 23 | 20°C | 12°C | 30°C 2023 | 0°C 2013 | 26% |
| Aug 24 | 21°C | 12°C | 36°C 2009 | 2°C 2008 | 26% |
| Aug 25 | 21°C | 12°C | 32°C 2009 | 0°C 2022 | 25% |
| Aug 26 | 21°C | 12°C | 30°C 2024 | 2°C 2021 | 26% |
| Aug 27 | 21°C | 13°C | 30°C 2025 | 1°C 2009 | 28% |
| Aug 28 | 21°C | 13°C | 33°C 2024 | 1°C 2021 | 28% |
| Aug 29 | 21°C | 13°C | 28°C 2024 | 2°C 2017 | 30% |
| Aug 30 | 21°C | 13°C | 32°C 2024 | 2°C 2018 | 30% |
| Aug 31 | 21°C | 13°C | 36°C 2024 | 3°C 2025 | 28% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+10).
- August 1
- sunrise 6:34 AM, sunset 5:16 PM
- August 31
- sunrise 6:05 AM, sunset 5:33 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ASN00058161, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-10-01. Sun and moon: computed with the NOAA solar equations and Meeus.