Lewis Pugh

Introducing a precise open water swimming temperature scale

I get asked various questions related to cold because I like to write about it. Those questions often inspire further writing ideas. One thing I realised was there was no good agreement on cold water. A poll of open water gave the following results. Under 5ºC (41ºF) – 0% Under 10ºC (50ºF) – 7% Under 12.5°C (54.5°F)…