If that is your ambient humidity, its ok.Humidity is 65 it used to be way lower. The temp is around 80 F.
If that is your ambient humidity, its ok.
But if that is your ambient temperature, it's too low.
This tortoise needs 80 at a minimum. But a basking area of at least another 10 degrees.
Can you photograph your enclosure and show the lights and heating devices so that we can better help you?