Climate and Weather Condition in Corfu island Greece
Corfu has a warm Mediterranean climate. The summer is cool and the temperature never exceeds 39o C even on the hottest days. The Kerkyra City can be stiflingly hot, so visitors should allow time to acclimatise. The evenings are cool. The winter is mild, as the temperature never drops very low, even in January. It rarely snows, while rainstorms are more frequent. November to March is the rainy season.

The weather in Corfu month by month
January: Cold, rainy and windy. There is a one-week period during January when the weather is generally good and the winds cease. This period is called the Halcyon Days.
February: Slightly warmer and sunnier than January. The almond trees bloom in February, the first trees to bloom.
March: Usually cold and windy but there are many sunny days too. The first daring swimmers appear.
April: Spring time in Corfu with medium temperatures and low rainfall. The island is full of wildflowers and it is magnificent.
May: Warm and sunny. Rain is unlikely to occur past May 10. The meltemi seasonal North winds have not yet started to blow, the sea is calm and nature is at its best. May is considered the best month for outdoors activities. A jacket will prove useful for the night.
June: Sunny and hot. Time for the beach!
July and August: Windy and very hot. July and August are the months that the seasonal North winds blow. It is hard to do anything else during these months, than spend the entire day at the beach. Look for a shady place and drink plenty of water. Do not forget your hat and sunscreen.
September: Sunny, less windy and slightly cooler. Good for outdoors activities. Get a light jacket for the night, especially if you plan to visit any mountainous areas.
October: Sunny, very few windy days but some rain will fall. Good for outdoors activities. Warm clothes are rarely necessary.
November: The weather becomes unpredictable. It may be sunny but there are plenty of rainy and windy days too. Pack a sweater and don't forget your umbrella.
December: Conditions vary from year to year with a mixture of windy, calm, rainy, sunny, cold and warm days. Pack warm clothes together with your swimming suit. There are days when the temperature along the south coast makes swimming possible and pleasurable