Like the rest of Cinque-Terre, Vernazza sees a Mediterranean climate and is pleasant all through the year. The average temperature often ranges from 14-16 degrees Celsius.
Summer (June – August): Summers see an average temperature of around 25 degree Celsius where as the minimum temperature goes down only till 16 degree Celsius.
Winter (December – February): The average temperature of Vernazza during winters can be around 10 degree Celsius. Rainfall do happen in this season, specially in December.
Spring (March – May): Springs see a temperature of around 18 degree Celsius. Occasional rainfall happens, specially in April.
Autumn (September – November): This season comes with pleasant weather but accompanied with precipitation. The temperature is around 17 degree Celsius. October receives the maximum level of precipitation in this season and is also said to be the oldest month in a year.
The best time to visit Vernazza however, is September and Early October, that is, the middle of autumn season.