Overview: El SalvadorEl Salvador is a region with a tropical climate. The day temperatures range from 30 °C (85 °F) in October to 33 °C (92 °F) in March. The least rainy month in El Salvador is February with its 3 days of rain, the rainiest month is September, when it rains 24 days. Temperatures during the night go from 16 °C (61 °F) in January to 19 °C (66 °F) in May.