What are the weather seasons in Durban? The weather in Durban tends to be pretty good all year round. Highs of about 35C in summer with lows of about 12C at night in winter. The seasons are as follows: Summer – November-March, Autumn – April-May, Winter – June-August, Spring September-October. The rainy season is late November through December extending into January. The windy season starts about August and can last right through to January. Generally a very moderate climate with mild winters and great beach weather from January through April although the beach is usable all year round. Sea temperature varies slightly with minimums of about 18C in winter to 24C. In Durban, the summers are warm, oppressive, and wet; the winters are long and comfortable; and it is windy and mostly clear year round. Over the course of the year, the temperature typically varies from 57°F to 82°F and is rarely below 52°F or above 87°F.