Hi Nicola
I love that you have been using a parasol to shelter the hog house! I had a similar problem a while back where a hog took up residence in a food box which was in full sun during the day. I used to put a plastic table over it to shelter it from the sun, but luckily the hog didn’t stay for long.
I think alanfrew is right, the hog will move if it doesn’t like it, or possibly, if it’s a male, just because they are inclined to move sleeping places more often. I would leave it until you are sure it has been vacated and then move it to a more suitable location. But if it was me, I would continue to try to shade it from the sun on very hot days, if you can.
Also, make sure you always leave a supply of water – all day every day – preferably in the shade. So the hog can at least get a drink if it gets hot.
You could of course get another hog house, so that the hog has the option to move into that.
Good luck.
