Umuarama, Brazil experiences a warm climate year-round with mild winters and hot summers. The coolest months are May and June, with average temperatures ranging from 9-21°C, while the warmest months are September to December, with average temperatures around 26-32°C. Spring (September to November) is characterized by rising temperatures, reaching highs of up to 39°C in October. Autumn (March to April) brings moderate temperatures, averaging around 22-25°C. Summer (December to February) is the hottest period, with temperatures often soaring above 35°C.