Curitiba's climate is mild, with distinct seasonal variations. In the summer months of January and February, temperatures rise to highs around 39°C, while in winter, from June to August, lows can drop as low as -12°C. Spring (September to November) and autumn (March to May) bring milder temperatures, ranging from 9-31°C, with average highs in the mid-to-high teens. The coldest month is July, with an average temperature of 12°C, while the warmest months are January and February, averaging around 22°C. Overall, the temperature fluctuations throughout the year are moderate, with only slight variations between seasons.