Surat has a Tropical monsoon climate, moderated strongly by the Arabian Sea. The summer begins in early March and lasts till June. April and May are the hottest months, the average temperature being 37 °C. Monsoon begins in late June and the city receives about 800 mm of rain by the end of September, with the average temperature being around 28 °C during those months. October and November see the retreat of the monsoon and a return of high temperatures till late November. Winter starts in December and ends in late February, with average temperatures of around 12 °C, and little rain.