Quote from jonesk@nwf.org on November 17, 2023, 11:10 am

Question: So, it's 90 to 140 degrees for the compost temperature, but what is the ideal outdoor air temp?

Ideally 40-80 degrees for outside temperature. But well managed piles can still maintain heat in the winter in lower temperatures. Additional reading resources: https://homegardenjoy.com/site/2018/02/winter-composting-is-it-too-cold-to-start-a-compost-pile.html, https://www.carryoncomposting.com/416920215.html