San Carlos enjoys mild winters, with temperatures rarely dropping below freezing and averaging around 11-12°C in January and February. Spring brings a gradual warming trend, with April and May temperatures often reaching the mid-to-high 20s Celsius. Summer months are warm to hot, with July and August averages hovering around 19-20°C, but daily highs can soar into the low 40s Celsius. Autumn is similarly mild, with October and November temperatures averaging around 13-16°C before cooling down again in December. Overall, San Carlos' climate is characterized by a moderate temperature range throughout the year, with very little extreme weather.