Christchurch Weather in August
Average highs run from 11°C on August 1 to 13°C on August 31, and lows from 3°C to 4°C. Normal precipitation for the month is 81 mm over about 16 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
- 12°C
- Average low
- 3°C
- Precipitation
- 81 mm
- Record high
- 22°CAug 30, 2020
- Record low
- -6°CAug 4, 2024
- Daylight
- 9 h 46 min to 11 h 02 min
- Cloud cover
- 68%
- Humidity
- 86%
- Dew point
- 5°C
- Wind
- 14.4 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 | 11°C | 3°C | 19°C 2014 | -5°C 2016 | 45% |
| Aug 2 | 11°C | 3°C | 22°C 2014 | -4°C 2019 | 46% |
| Aug 3 | 11°C | 3°C | 21°C 2015 | -4°C 1991 | 45% |
| Aug 4 | 11°C | 3°C | 19°C 2015 | -6°C 2024 | 45% |
| Aug 5 | 11°C | 3°C | 21°C 1990 | -3°C 2014 | 46% |
| Aug 6 | 11°C | 3°C | 19°C 2022 | -4°C 2019 | 48% |
| Aug 7 | 11°C | 3°C | 20°C 1983 | -4°C 2019 | 48% |
| Aug 8 | 11°C | 3°C | 19°C 1991 | -4°C 1962 | 50% |
| Aug 9 | 11°C | 3°C | 19°C 2007 | -4°C 2020 | 49% |
| Aug 10 | 11°C | 3°C | 19°C 2007 | -5°C 2016 | 49% |
| Aug 11 | 11°C | 3°C | 17°C 2014 | -5°C 2016 | 48% |
| Aug 12 | 11°C | 3°C | 19°C 2004 | -4°C 2016 | 48% |
| Aug 13 | 11°C | 3°C | 17°C 1990 | -3°C 2006 | 49% |
| Aug 14 | 11°C | 3°C | 20°C 1991 | -4°C 2014 | 49% |
| Aug 15 | 11°C | 3°C | 19°C 2013 | -5°C 2007 | 49% |
| Aug 16 | 11°C | 3°C | 20°C 1991 | -3°C 1982 | 47% |
| Aug 17 | 11°C | 3°C | 19°C 2017 | -5°C 2020 | 46% |
| Aug 18 | 12°C | 3°C | 18°C 2006 | -3°C 2023 | 47% |
| Aug 19 | 12°C | 3°C | 19°C 2006 | -4°C 2003 | 48% |
| Aug 20 | 12°C | 3°C | 20°C 2005 | -4°C 2008 | 46% |
| Aug 21 | 12°C | 3°C | 19°C 1984 | -4°C 1980 | 45% |
| Aug 22 | 12°C | 3°C | 19°C 1984 | -5°C 1979 | 44% |
| Aug 23 | 12°C | 3°C | 21°C 2021 | -3°C 2015 | 42% |
| Aug 24 | 12°C | 3°C | 21°C 2011 | -3°C 2015 | 42% |
| Aug 25 | 12°C | 3°C | 21°C 2009 | -2°C 1962 | 41% |
| Aug 26 | 13°C | 4°C | 20°C 2012 | -4°C 2015 | 42% |
| Aug 27 | 13°C | 4°C | 19°C 2012 | -3°C 1964 | 42% |
| Aug 28 | 13°C | 4°C | 19°C 2009 | -3°C 1964 | 42% |
| Aug 29 | 13°C | 4°C | 20°C 2006 | -5°C 1993 | 43% |
| Aug 30 | 13°C | 4°C | 22°C 2020 | -4°C 1961 | 43% |
| Aug 31 | 13°C | 4°C | 22°C 2020 | -3°C 1993 | 44% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+12).
- August 1
- sunrise 7:43 AM, sunset 5:29 PM
- August 31
- sunrise 6:59 AM, sunset 6:01 PM
Other months
Sources
Records: NOAA GHCN-Daily, station NZM00093781, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.