Yeah... No. Nov, Dec, Jan... Those are the months. October is decent, as is February. Plus, the shorter days mean you don't have to stay out until 9:30 PM to catch a sunset. https://www.insider.com/arches-national-park-disappointing-photos-what-its-actually-like-2022-5#and-once-i-finally-secured-a-parking-spot-i-thought-the-entrances-to-hikes-and-viewpoints-were-similarly-packed-9
Disappointing photos show crowds at Utah's Arches National Park

Insider's reporter explored Arches National Park in Utah before the peak summer season and experienced packed parking lots and many crowds of people.

Insider