I housed six larger females in my garage in Melbourne, without any issue for over a year. I used a light on a timer. It would get in the low 90's some days last summer. I would avoid anything with direct sun light on any part of the cage. The sun moves around quite a bit over the year, so you can start out great and then be in trouble and not realize it. I have trouble with rats on a porch because of this. If you do go outside, you will have to deal with the cold as well.

Get a nice light and an appliance timer. Stay in the garage.

Cheers,
Al

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