Planning for the weather is a good way to make your trip to Sarzana relaxing and enjoyable, especially when you’re splurging. The hottest months are usually August and July, with an average temperature of 22°C, while the coldest months are January and February, with an average of 9°C. The rainiest months in Sarzana are November, December, October and February, with each month seeing an average of 188 mm of rainfall.