Cyprus has the warmest climate (and warmest winters) in the Mediterranean part of the European Union. The average annual temperature on the coast is around 24 °C (75 °F) during the day and 14 °C (57 °F) at night. Generally – summer's/holiday season lasts about 8 months, begins in April with average temperatures of 21–23 °C (70–73 °F) during the day and 11–13 °C (52–55 °F) at night, ends in November with average temperatures of 22–23 °C (72–73 °F) during the day and 12–14 °C (54–57 °F) at night, although also in remaining 4 months temperatures sometimes exceeds 20 °C (68 °F). Among all cities in the Mediterranean part of the European Union, Limassol has the warmest winters, in the period January–February average temperature is 17–18 °C (63–64 °F) during the day and 8–9 °C (46–48 °F) at night, in other coastal locations in Cyprus is generally 16–17 °C (61–63 °F) during the day and 7–9 °C (45–48 °F) at night. In March and December in Limassol average temperatures is 19–20 °C (66–68 °F) during the day and 10–11 °C (50–52 °F) at night, in other coastal locations in Cyprus is generally 17–19 °C (63–66 °F) during the day and 8–11 °C (46–52 °F) at night. Middle of summer is hot – in July and August on the coast the average temperature is usually around 33 °C (91 °F) during the day and around 23 °C (73 °F) at night (inside the island, in the highlands average temperature exceeds 35 °C (95 °F)) while in the June and September on the coast the average temperature is usually around 30 °C (86 °F) during the day and around 20 °C (68 °F) at night. Large fluctuations in temperature are rare. Temperatures inside the island are more stringent, with colder winters and more hot summers compared with the coast of the island.
Average annual temperature of sea is 21–22 °C (70–72 °F), from 17 °C (63 °F) in February to 27–28 °C (81–82 °F) in August (depending on the location). In total 7 months – from May to November – the average sea temperature exceeds 20 °C (68 °F).
Sunshine hours on the coast is around 3,400 per year, from average 5–6 hours of sunshine / day in December to average 12–13 hours in July. This is about double that of cities in the northern half of Europe, for comparison: London – 1,461, however in winter up to some times more sunshine, for comparison: London has 37 hours while coastal locations in Cyprus has around 180 hours of sunshine in December (that is, as much as in May in London).