Gout may worsen on rainy days. Gout is a metabolic disease caused by impaired excretion of uric acid and purine metabolism disorders, generally no obvious symptoms during the interictal period, but during the onset of the attack can lead to symptoms such as swelling of the joints and unbearable severe pain in the joints. When the joints are exposed to cold, the symptoms may be aggravated due to the decrease of urate saturation, dissolution and slowing down of blood flow. Rainy days, cloudy days and other cold weather gout patients do not add timely clothing, warm joints may be swollen joints, pain and other symptoms worsened. Therefore, gout may worsen on rainy days. It is recommended that gout patients go to the rheumatology department of a regular hospital for detailed consultation and follow the doctor’s instructions for medication.