Kos weather

Our guide to the weather in Kos during October

23

Average high

5

UV Index

61mm

Monthly rainfall

23

Sea temperature

Kos, Greece is a beautiful island with stunning beaches and plenty of opportunities for exploration and relaxation. October is a great time to visit, with mild temperatures and plenty of sunshine. We've looked at the most up-to-date weather data for Kos, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Kos weather in October.

How warm is it in Kos during October?

The temperature is extremely stable in October with average highs of 23℃ and lows just 3℃ lower at 20℃. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Kos during October?

On average, there will be 3 rainy days during the month, amounting to 60.9mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Kos during October?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during October. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

How warm is the sea in Kos during October?

The water temperature around Kos reaches a pleasant 23℃ during October. While generally considered warm, some people might find it a little on the cool side on entering the water.

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Weather in Kos

Our month-by-month guide to the weather and climate in Kos

13.7

Kos weather in

January
14.6

Kos weather in

February
15.5

Kos weather in

March
18.2

Kos weather in

April
21.9

Kos weather in

May
25.6

Kos weather in

June
28.5

Kos weather in

July
28.9

Kos weather in

August
26.6

Kos weather in

September
22.9

Kos weather in

October
19.4

Kos weather in

November
15.7

Kos weather in

December