Weather is probably a major factor when you plan your trip to Navsari, 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 30°C, while the coldest months are January and December, with an average of 25°C. The rainiest months in Navsari are July, August, September and June, with each month seeing an average of 302 mm of rainfall.