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📊 Monthly Climate Overview
| Month | Max °C | Min °C | Rain mm | Rain Days | Sun h | Wind km/h | Sea °C |
|---|---|---|---|---|---|---|---|
| Jan | 14.4°C | 10.8°C | 172.8 mm | 14 | 7.9 h | 29.8 km/h | 18.7°C |
| Feb | 15.1°C | 11.4°C | 89.7 mm | 11 | 9.1 h | 29.4 km/h | 17.4°C |
| Mar | 16.1°C | 12.1°C | 76.8 mm | 9 | 10.1 h | 28.1 km/h | 16.9°C |
| Apr | 19°C | 14.3°C | 28.1 mm | 5 | 11.5 h | 24.5 km/h | 17.5°C |
| May | 23°C | 17.7°C | 17.4 mm | 4 | 12.9 h | 22.5 km/h | 19.1°C |
| Jun | 26.7°C | 21.6°C | 8 mm | 1 | 13.8 h | 24.2 km/h | 22.1°C |
| Jul | 29.4°C | 24.3°C | 0.3 mm | 0 | 13.8 h | 28.2 km/h | 24.2°C |
| Aug | 29.6°C | 24.7°C | 1.8 mm | 0 | 12.9 h | 24.3 km/h | 26.6°C |
| Sep | 27.3°C | 22.8°C | 19.2 mm | 2 | 11.8 h | 24.2 km/h | 27.1°C |
| Oct | 23.5°C | 19.5°C | 40.4 mm | 4 | 10.1 h | 22.9 km/h | 25.4°C |
| Nov | 20°C | 16.2°C | 107.1 mm | 9 | 8.9 h | 24.3 km/h | 22.7°C |
| Dec | 16.4°C | 13.1°C | 128 mm | 11 | 8.1 h | 27 km/h | 20.7°C |
📖Climate & Best Time to Visit Kos
Kos (Greece) has a subtropical climate with an annual average of around 20 °C. Daytime highs average 22 °C, while nights cool to about 17 °C. The destination sees roughly 690 mm of rainfall per year and 10.9 hours of sunshine per day on average.
Home of Hippocrates — flat and bike-friendly, with the ancient Asclepeion, the Castle of Neratzia and broad sandy beaches in the south.
Classic travel season is the warmer half of the year: highs reach 29.6 °C in August with only 0 rainy days. The sunniest month is June with 13.8 hours of daily sun; the driest is July at just 0 rain days.
Rainfall varies through the year: peaks in January (14 rainy days), driest month is July (0).
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Frequently asked questions about Kos
When is the best time to visit Kos?
The best time to visit Kos: May to October – best in July (avg. 26.9 °C, 0 rainy days). Based on the monthly values for 2014 to 2023.
What are the temperatures in Kos?
The warmest month is August with an average of 27.2 °C and daytime highs around 29.6 °C. The coldest month is January with an average of 12.6 °C and night-time lows around 10.8 °C.
How many rainy days does Kos have?
January has the most rainy days with 14 rainy days. The driest month is July with 0 rainy days.
What is the sea temperature near Kos?
The water is warmest in September at an average of 27.1 °C and coolest in March at 16.9 °C.