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San Juan — weather by month, water temperature
The air temperature by month
The average maximum daily temperature — 31.1°C in July. Average maximum night temperature — 26.1°C in September. The average minimum daily temperature — 27.5°C in January. The average minimum night temperature — 23.2°C in February.
The water temperature by month
Average maximum temperature of the water — 29.2°C fixed in October. The average minimum temperature of the water — 26.2°C fixed in March.
Maximum precipitation — 2264.3 mm It was recorded in January. Minimum precipitation — 31.6 mm It was recorded in June.