Sevastopol enjoys one of the warmest climates in Ukraine, with mild winters and moderate warm summers. Sevastopol has a humid subtropical climate (K�ppen climate classification: Cfa) near the borderline of the humid continental climate and the semi-arid climate.
The average yearly temperature is 15�16 �C (59�61 �F) during the day and around 9 �C (48 �F) at night. In the coldest months � January and February � the average temperature is 5�6 �C (41�43 �F) during the day and around 1 �C (34 �F) at night. In the warmest months � July and August � the average temperature is around 26 �C (79 �F) during the day and around 19 �C (66 �F) at night. Generally � summer's/holiday season lasts to 5 months, starting from around mid-May and ending in September, although during the first half of October the temperature often reaches 20 �C (68 �F) or more.
The average annual temperature of the sea is 14.2 �C (58 �F), from 7 �C (45 �F) in February to 24 �C (75 �F) in August. From June to September - the average sea temperature is greater than 20 �C (68 �F), while in the second half of May and first half of October - the average sea temperature is about 17 �C (63 �F). The average rainfall is about 400 millimetres (16 in) per year and there is about 2,345 hours of sunshine duration per year