Weather is probably a major factor when you plan your trip to Mahanoro, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually January and February, with an average temperature of 26°C, while the coldest months are August and July, with an average of 21°C. The rainiest months in Mahanoro are March, February, January and April, with each month seeing an average of 344 mm of rainfall.