Beach
Sandy Beach Reserve
Christchurch City, New Zealand · sea 16.9 °C at its warmest, in February

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 17 km offshore, at the nearest open water cell of a 0.25° grid.
About
beach in Governor's Bay, Christchurch, New Zealand
Wikipedia has no article about this beach yet. It is on the atlas from its Wikidata record and its photograph.
Questions
How warm is the sea at Sandy Beach Reserve?
The sea off Sandy Beach Reserve averages 16.9 °C at its warmest, in February, and 9.1 °C at its coolest. These are monthly means from NOAA's OISST v2.1 satellite and buoy record for 1991 to 2020, sampled at the beach's own coordinates.
When can you swim at Sandy Beach Reserve?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Sandy Beach Reserve?
Sandy Beach Reserve is on the coast of Christchurch City, New Zealand, at -43.6204, 172.6597. The map on this site flies straight to it.
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