When does the river in the north thaw? When can I start fishing?

If the weather stays like this this this year, the north will not be thawed until the end of February of the lunar calendar at the earliest. Thawing is not good for fishing. After thawing, there is a process of convection neutralization between the upper water and the lower water. If the temperature continues to rise, you can fish shallows, but you can't generalize. In some places, you can fish when it's a little frozen, and the ice stubble tastes good, so if it really itches, you can try fishing just after thawing.