As greenhouse gases build up in our atmosphere, they trap heat, warming our climate. We can expect milder winters and more hot weather in summer, which can affect people, animals, plants, infrastructure and our water supplies.
Our average temperature could rise by 0.8 to 1.4°C by 2050 and 3°C by 2090.
Christchurch typically gets around 20 hot days over 25°C each year. This is expected to increase to:
Christchurch typically gets around 14 frosts per year. This is expected to decrease to:
Our seasonal temperatures will change, particularly in autumn, when summer will extend. We can also expect more frequent and severe periods of drought.
Average rainfall will not change much by 2050. However, we can expect more seasonal variation, with drier summers and autumns and wetter winters. Banks Peninsula could see 5 to 15 per cent less summer rainfall.
Christchurch City Council’s innovative approach to stormwater management has earned national recognition.
7 May 2025Christchurch students are learning hands-on skills while simultaneously diverting waste from landfill and fostering digital equity for kiwis.
7 May 2025We’re seeking community feedback on the draft plan to improve how stormwater is managed in Banks Peninsula settlements.
17 Apr 2025