Weather is probably a major factor when you plan your trip to Lonavala, but bear in mind that cheaper options are usually available when the weather isn’t as good. The hottest months are usually April and May, with an average temperature of 27°C, while the coldest months are January and December, with an average of 24°C. The rainiest months in Lonavala are July, August, June and September, with each month seeing an average of 434 mm of rainfall.