The Worx WA3775 power supply is rated IP67 and can safely be installed outdoor, but:
I didn't want to drill some holes into my wall just for something like that so I thought about mounting it on a 80mm round downspout located near to an outdoor socket.
I also added a ventilated cover that should help a bit with the possible overheating issues.
You'll need:
Since it is an outdoor fixture use suitable materials (stainless steel screws, PETG, ASA, ABS, …).
The author marked this model as their own original creation.