Kos Weather
Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the British News Desk weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Kos enjoys a classic Mediterranean climate with hot, dry summers and mild, wetter winters. As shown in the live forecast above, the island offers reliable sunshine from late spring through autumn, making it a popular destination for British travellers seeking warmth.
What is the weather like in Kos throughout the year?
Kos experiences over 3,000 hours of sunshine annually. Summers from June to September are consistently hot, with daytime highs often reaching the low 30s °C, tempered by a northerly meltemi breeze. Winters are mild, with daytime temperatures around 14–16 °C and most rainfall occurring between November and February. Spring and autumn provide the most comfortable conditions for exploring, with temperatures in the low 20s °C.
How accurate are long-range forecasts for Kos?
Forecasts beyond 10 days become less reliable due to atmospheric variability. A kos weather forecast 21 days ahead gives a useful trend but not precise daily details. For planning a trip, check the weather in kos next 14 days or the weather in kos 10 days outlook for a more dependable picture. Seasonal averages, such as a kos weather by month guide, are better for choosing when to travel.
Does Kos have a rainy season?
Yes, the rainy season runs from November to February. December and January are the wettest months, though showers are usually short-lived. The rest of the year remains predominantly dry and sunny.
What is the wind like in Kos?
The meltemi wind, a dry northerly, often blows from June to September. It can be strong at times, especially in the afternoon, providing welcome relief from the heat and ideal conditions for windsurfing.
Is Kos sunny in October?
Yes, October is generally sunny and pleasant, with average highs around 24°C. It is a popular month for late-season holidays, though evenings can be cooler and occasional rain is possible.
For broader UK conditions, visit our UK weather hub. Compare Kos with other Mediterranean destinations like Crete weather or Malta weather. For longer-range planning, a kos weather forecast 15 day or kos weather 30 days outlook can indicate general trends, while a kos weather 25 day forecast is best treated as a seasonal guide. Local kos weather radar is useful for checking incoming showers during the winter months.
