Rotorua's climate is characterized by mild winters and warm summers. The winter months of May, June, July, and August are cool, with temperatures ranging from -4°C to 18°C, and averaging around 9-11°C. Spring, from September to November, brings a gradual warming trend, with average highs reaching up to 20°C by October. Summer, from December to February, is warm, with temperatures often soaring above 25°C, especially in January. Autumn, from March to May, cools down gradually, but still experiences mild temperatures, with April being the coolest month of the year.