Rome Ethredge of Seminole Crop E News provided some good advice for peanut farmers looking to dig peanuts when temperatures are near 32 °F.  If it is too close to freezing you can get significant damage to peanuts resting on the ground if they have too much moisture.

You can read his blog post at https://seminolecropnews.wordpress.com/2015/10/23/cold-weather-and-peanuts/.

Source: H. Zell, Commons Wikimedia
Source: H. Zell, Commons Wikimedia