Imerintsiatosika's climate is characterized by mild winters and warm summers. The coolest months, June to August, bring temperatures ranging from 6-24°C, with averages around 15°C. As the seasons transition, temperatures rise gradually, peaking in November and December with highs of up to 33°C and averaging around 23°C. Spring months like April and May are relatively cooler, with average temperatures dipping below 20°C. Autumn months, September to October, see a slight increase in temperature before the onset of winter.