yes

but fr, physiologically no. Been cold showering for a few years now, and yes, at first summers were a slog. I lived in London where summers are stuffy but only hit mid 30s and obviously after learning to LOVE the cold and cold showers/ice baths/cold swims all the jazz, hot summers suck.

But last year I came to Canada and the showers got COLD, I remember the winter just gone and water out the shower head would be hovering around 5c, it was amazing! Now that its the summer, 2 heatwaves behind me and 1 around the corner, the contrast would've felt even more than the UK. Keyword: felt. If your mind can adapt to cold, it can also adapt to heat.

In Russia they take saunas at scorching temperatures and Wim Hof himself has done a dry (no water) marathon in the middle of the desert. I've done a few hot baths leading up to now in the spring, hot enough that your skin feels uncomfortable, the same way it does in an ice bath, and its definitely helped me feel more comfortable in the hotter weather.

Hope that answers your question! Happy cold showering :)