Planning for the weather is an important factor for making your trip to Canandaigua a success, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 19°C, while the coldest months are January and February, with an average of -2°C. The snowiest months in Canandaigua are January, March, February and December, with each month seeing an average of 19 cm of snowfall.