San German, Puerto Rico experiences a warm and relatively consistent tropical climate year-round. The hottest months are June, July, and August with temperatures often reaching as high as 33°C during the peak summer months. Winters are mild, with January and February averaging around 25°C. Spring and autumn seasons have similar temperature ranges, with slight increases in April and May, and then stabilizing again until September. Overall, temperature fluctuations throughout the year are minimal, resulting in a warm and humid climate.