Rio Grande's climate is mild and temperate, with temperatures gradually warming up in spring. As the summer solstice approaches, high temperatures peak in January and February, averaging around 25-26°C, but start to decline slightly by March. The autumn months of April and May bring cooler temperatures, especially in May, which sees averages drop to just above 15°C. Winters are relatively mild, with average highs ranging from 14-17°C from June to September. By October and November, the temperatures begin to rise again, setting the stage for another warm summer.