Swollen lymph nodes for a month One in front of left ear on jaw, other at bottom of jawline on neck. Sore throat, sharp ear pain, headache left temple?

Infectious. You have all the signs and symptoms of some infection, be it sinus, ear, throat, etc... get eval to properly diagnose your infection so you can get treated, best wishes.
Get checked. Swollen, tender lymph nodes indicate an infection somewhere. You need to see your doctor or an urgent care to get proper treatment.
Infection. Sounds like you have and infection. Likely sources would be ear, throat or parotid gland.