Mayor Kittisak Khanasawat said he had dispatched 30 teams of officials to provide free rabies shots to dogs and cats.
He said there were about 3,300 stray and pet dogs and cats in the municipalities.
Kittisak added that 15 stray dogs in the northern province, including three in Muang district, had tested positive for rabies.
In the latest case, a dog at Wat Pa Supamit in Tambon Talad tested positive, he said.