Cyprus has a subtropical climate - Mediterranean and semi-arid type (in the north-eastern part of island) - according to Köppen climate classification signes Csa and BSh, with very mild winters (on the coast) and warm to hot summers. Snow is possible only in the Troodos mountains in the central part of the island. Rain occurs mainly in winter, with summer being generally dry. Temperatures Cyprus has one of the warmest climates and warmest winters in the Mediterranean part of the European Union. The average annual temperature on the coast is around during the day and at night. Generally, the warm season lasts about eight months. It begins in April, with average temperatures of during the day and at night, and ends in November, with average temperatures of during the day and at night. In the remaining four months of the year, the temperatures tend to remain mild, while sometimes exceeding during the day. In Limassol, in the period January–February, the average maximum temperature is during the day and at night. In other coastal locations in Cyprus, the temperature is generally during the day and at night. In March and December in Limassol the average is during the day and at night; other coastal locations in Cyprus are generally during the day and at night. The middle of summer (July and August) is usually hot, with an average maximum coastal temperature of around during the day and around at night. In the centre of the island (the highlands) the average temperature exceeds ). In June and September on the coast the average maximum temperature is usually around during the day and around at night. While large temperature fluctuations are rare on the coast, the centre of Cyprus has more variations – typically colder winters and hotter summers. Temperature of sea The average annual temperature of the sea around Cyprus is , from in February to in August (depending on the location). In the seven months from May to November the average sea temperature exceeds . Sunshine In winter, Cyprus receives an average of 5–6 hours of sunlight per day, half of the 12–13 hours experienced at the height of summer. This is about double that of cities in the northern half of Europe; for comparison, London has 1,461 hours. However, in winter there can be more than four times more sunshine; for comparison, London has 37 hours while coastal locations in