The country has a tropical climate but modified by elevation and the "trade winds" (winds that come from the northeast, from the Atlantic Ocean), which blow from the Atlantic all year long. The average yearly temperature is 25 °C with small changes from one season to another; the average temperatures change from one region to another, from 21 °C in the centre of the Cordillera Central to as high as 28 °C on the coastal plains. Temperatures very few times get above 32 °C; temperatures get below 0 °C only in the highest mountains in winter. The average temperature in Santo Domingo in January is 25 °C and 30 °C in July.