San Juan's climate is characterized by a relatively constant temperature throughout the year, with minimal seasonal variation. Temperatures range from a low of around 20-22°C in January and December to a high of up to 34-36°C in March, April, May, and June. The hottest months are typically March to May, with average temperatures reaching 28-29°C, while the cooler months are January and December, averaging around 26°C. The summer months see consistent highs above 30°C, while winters remain mild but slightly cooler than summers. Overall, San Juan's climate is warm and sunny year-round, with no distinct wet or dry season.