Weather in Kos
Kos is a beautiful island in Greece, which means it enjoys a hot Mediterranean climate with warm summers and mild winters. If you prefer a warm climate, August is the perfect month to visit. Temperatures in Kos are at their highest in August, often reaching up to 29°C and rarely dropping below 21°C. With less than three rainy days per month in summer, you can leave your raincoat at home and look forward to 14 hours of sunshine a day. If you love swimming, head to the beach to enjoy an average sea temperature of 24°C to 26°C.
October and November are slightly cooler than the summer with an increase in rainfall and much lower temperatures at night. It’s still a great time to visit for fewer crowds on the beach and comfortable temperatures.
The cold season brings lower temperatures to Kos, with a daily average of 12°C and highs of 14°C. At night, it gets even colder with lows of just 8°C in January. There’s up to 169mm of rain per month from December to February, so make sure to pack a raincoat or umbrella for your visit. Kos weather warms up again in March, with temperatures reaching the high-teens by the end of the month.