Just came back from there (Moab / Canyonlands / Capital Reef / etc). May and October are the best months weather wise. I didn’t encounter too much traffic at all on the Shafer Switchbacks. Disn’t get to Chicken Corners. Camping was busy in Valley of the Gods, a lot of traffic there. However at Temple of the Sun in Capital Reef NP - I was alone with nobody else - it was 16 miles off the highway 24 but the off road trail is very easy.