Visiting local bars in Kaluga is more fun when you know what the weather holds. These temperatures and rainfall averages can help you decide the best time for bar-hopping. The hottest months are usually July and August, with an average temperature of 17°C, while the coldest months are January and February, with an average of -5°C. The snowiest months in Kaluga are December, January, November and February, with each month seeing an average of 113 cm of snowfall.