San Juan Weather Averages
Climate averages for San Juan based on 10 years of historical data.
Annual avg temp
26.4°C
Annual avg high
29.4°C
Annual avg low
24.2°C
Record high
36°C
Record low
19°C
Annual rainfall
1174 mm
Rainy days
207
Sunshine
1.6h/day
Humedad
76%
Average San Juan temperatures by month
Avg high
Avg low
Average rainfall in San Juan by month
Rainfall (mm)
Sunshine hours in San Juan by month
Sunshine (h/day)
Humidity in San Juan by month
Average humidity
Month-by-month averages
| Month | Avg High | Avg Low | Rainfall | Sunshine |
|---|---|---|---|---|
| Clima en enero | 28°C | 22°C | 54 mm | 1.9h |
| Clima en febrero | 28°C | 22°C | 61 mm | 2.0h |
| Clima en marzo | 28°C | 22°C | 62 mm | 2.0h |
| Clima en abril | 29°C | 23°C | 86 mm | 1.9h |
| Clima en mayo | 30°C | 24°C | 92 mm | 1.6h |
| Clima en junio | 31°C | 25°C | 63 mm | 1.9h |
| Clima en julio | 31°C | 26°C | 89 mm | 1.4h |
| Clima en agosto | 31°C | 26°C | 106 mm | 1.3h |
| Clima en septiembre | 31°C | 26°C | 191 mm | 1.0h |
| Clima en octubre | 30°C | 25°C | 148 mm | 1.0h |
| Clima en noviembre | 29°C | 24°C | 146 mm | 1.2h |
| Clima en diciembre | 28°C | 24°C | 76 mm | 1.5h |