Our body slowly-slowly learns to adopt such climatic changes. And fever is a sign of adaption in our body. It's a kind of defense mechanism against the diseases.
Fever involves sneezing, headache, vomiting, dizziness, sour throat muscle, and joint pains. All these are ways to defend our body against the pathogens that have entered in it.
Antibiotics are the best medicines to be taken during fever or cold. It kills the foreign bacteria and prevents our body from any further illness.
And thus, having a fever during weather change adds up to be a good factor for our body. And people who do not get a fever during such weather change have a serious issue to be worried about. You people should definitely consult a doctor, cause your body is not responding properly to such change.