Weather atlas / The seasons
Climate in San Juan
San Juan experiences a semi-arid climate with distinct seasons. Temperatures range from cool in winter to hot in summer, with the coldest months being June and July. Expect dry conditions with intense sunshine and low humidity throughout the year.
Temperature in °C · Rainfall in mm · Monthly climate averages
Temperature
Precipitation
Monthly Averages
Monthly detail · Scroll the table to see all measurements →
| Month | High °C | Avg °C | Low °C | Rain | Days | Sun (h) | Comfort |
|---|---|---|---|---|---|---|---|
| May | 18° | 15° | 12° | 0mm | 0 |
All-time Records
Record High19.1°CMay
Record Low10.9°CMay
Driest Month0mmMay
Sunniest MonthhMay