Dr. Francis Collins with the National Institue of Health said data has only provided hints that warm weather may slow the spread of COVID-19, but that extensive data would need to be collected to determine if this is really the case.“There have been hints from lab experiments that increased temperature and humidity may reduce the viability of SARS-CoV-2.
Meanwhile, other coronaviruses that cause less severe diseases, such as the common cold, do spread more slowly among people during the summer,” Collins wrote in a Director’s Blog for the NIH. “We’ll obviously have to wait a few months to get the data.