Christchurch Weather in May
Average highs run from 16°C on May 1 to 12°C on May 31, and lows from 7°C to 4°C. Normal precipitation for the month is 74 mm over about 12 wet days.
May day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 14°C
- Average low
- 5°C
- Precipitation
- 74 mm
- Record high
- 27°CMay 6, 2015
- Record low
- -6°CMay 29, 2015
- Daylight
- 10 h 11 min to 9 h 12 min
- Cloud cover
- 64%
- Humidity
- 84%
- Dew point
- 6°C
- Wind
- 14.0 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 |
|---|---|---|---|---|---|
| May 1 | 16°C | 7°C | 24°C 2022 | -2°C 1988 | 38% |
| May 2 | 16°C | 6°C | 24°C 2016 | -2°C 1988 | 39% |
| May 3 | 16°C | 6°C | 24°C 2020 | -2°C 2009 | 40% |
| May 4 | 16°C | 6°C | 23°C 2016 | -3°C 2009 | 40% |
| May 5 | 16°C | 6°C | 25°C 1983 | -3°C 1986 | 40% |
| May 6 | 15°C | 6°C | 27°C 2015 | -4°C 2008 | 39% |
| May 7 | 15°C | 6°C | 25°C 2015 | -3°C 2008 | 40% |
| May 8 | 15°C | 6°C | 24°C 1981 | -2°C 1964 | 41% |
| May 9 | 15°C | 6°C | 25°C 2021 | -3°C 2005 | 42% |
| May 10 | 15°C | 6°C | 24°C 1985 | -6°C 2024 | 42% |
| May 11 | 15°C | 6°C | 26°C 2016 | -1°C 1960 | 42% |
| May 12 | 15°C | 6°C | 23°C 2011 | -2°C 2024 | 43% |
| May 13 | 15°C | 6°C | 25°C 2010 | -3°C 2008 | 42% |
| May 14 | 15°C | 6°C | 23°C 1980 | -2°C 2017 | 43% |
| May 15 | 14°C | 5°C | 20°C 1968 | -1°C 1966 | 43% |
| May 16 | 14°C | 5°C | 22°C 2007 | -3°C 1981 | 44% |
| May 17 | 14°C | 5°C | 23°C 2025 | -2°C 2020 | 45% |
| May 18 | 14°C | 5°C | 20°C 1990 | -4°C 1963 | 46% |
| May 19 | 14°C | 5°C | 19°C 1990 | -3°C 1963 | 46% |
| May 20 | 13°C | 5°C | 25°C 2003 | -3°C 2012 | 46% |
| May 21 | 13°C | 5°C | 22°C 2003 | -4°C 1984 | 48% |
| May 22 | 13°C | 5°C | 22°C 1960 | -5°C 1988 | 47% |
| May 23 | 13°C | 5°C | 22°C 2007 | -4°C 1984 | 45% |
| May 24 | 13°C | 5°C | 19°C 2014 | -5°C 1988 | 44% |
| May 25 | 13°C | 5°C | 21°C 2025 | -3°C 1988 | 44% |
| May 26 | 13°C | 5°C | 21°C 1987 | -5°C 1988 | 45% |
| May 27 | 13°C | 5°C | 22°C 2012 | -4°C 1988 | 44% |
| May 28 | 12°C | 4°C | 21°C 2023 | -4°C 2024 | 46% |
| May 29 | 12°C | 4°C | 21°C 2014 | -6°C 2015 | 45% |
| May 30 | 12°C | 4°C | 21°C 2003 | -5°C 2015 | 45% |
| May 31 | 12°C | 4°C | 22°C 2022 | -4°C 1992 | 44% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+12).
- May 1
- sunrise 7:21 AM, sunset 5:32 PM
- May 31
- sunrise 7:51 AM, sunset 5:03 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.