Dizziness in rainy weather may be caused by emotional changes, cerebral vascular spasm and other reasons. 1. Emotional changes: In rainy weather, it is easy to affect people’s psychological changes, so that people have depressing emotions, due to prolonged emotional depression, which may cause dizziness, adjust the emotions, improve the psychological state, may return to normal. 2. Cerebral vascular spasm: In rainy weather, the temperature is relatively low, if you do not pay attention to warmth when you go out, resulting in cold stimulation of the head, which can easily cause cerebral vascular spasm, resulting in cerebral tissue ischemia, hypoxia, which will cause dizziness symptoms. Dizziness in cloudy and rainy weather, if it continues to be unrelieved, you should seek medical advice as soon as possible, and after clarifying the causes, give targeted treatment and conditioning.