Sapiranga's climate is characterized by mild winters and warm summers. The coolest months are May, June, and July, with temperatures ranging from just above freezing to the mid-30s Celsius, averaging around 13°C. As the year progresses, temperatures gradually rise, with April still experiencing cooler nights but warmer days. By November and December, temperatures return to averages similar to those of January and February, indicating a mild winter period followed by a warm summer. The temperature variation throughout the year is relatively pronounced, with little seasonal fluctuation beyond these general trends.