I've kept mini-nucs in a frost-free (just) greenhouse overwinter. They did just fine. As others say ... far too hot in the summer.
I've currently got bees in a bee shed, where they'll reside all year. However, I'm a beginner with bee sheds. There are others on here with much more experience.
Here's the best bee shed I've seen in a long time ...
Attachment 2576
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