San Juan Chamelco, Guatemala experiences a mild climate year-round. Winters are cool and mild, with temperatures ranging from 5-32°C in February and January, allowing for pleasant outdoor activities. As the seasons transition into spring, temperatures gradually warm up, reaching averages of 23°C by April and May. Summers are warm to hot, with June and August averaging highs around 34°C, while July is slightly cooler. Autumn brings a gentle decrease in temperature, returning to mild conditions by November, before cooling down again for the winter months.