While cold weather may not exacerbate rhinoviruses, cold, dry air, as is common in winter, can assist the transmissionTrusted Source of influenza viruses. During colder months, people may also spend more time indoors. If these spaces do not have adequate ventilation, people may have a greater risk of breathing in aerosols from others with common colds.

Cold weather increase the susceptibility to viral infection . Woolen clothes and carpet in the room also responsible for allergens.

Good afternoon All Cold items donot usually carry infection Contaminated or unhygienic cold water or items do carry In hot water the organisms donot survive

Its a correlation... Virus easily spread in cold environment

Virus spread easily in cold weather, which is favorable for it to  spread faster..