Kos weather

Our guide to the weather in Kos during January

14

Average high

4

UV Index

175mm

Monthly rainfall

18

Sea temperature

Kos, Greece is a picturesque island paradise with plenty of activities for the adventurous traveller, no matter the time of year. 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 January.

What's the temperature like in Kos during January?

January is typically the coolest month in Kos. The temperature reaches around 14℃ during the daytime, falling away to 11℃ at night. 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 January?

January is typically the wettest month in Kos. On average, there will be 8 rainy days during the month, amounting to 174.6mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Kos during January?

Expect moderate breeze becoming stronger at times during January, with occasional gusts up to 20mph. With moderate humidity, the wind will feel chilly, so you'll want to wear layers.

How warm is the sea in Kos during January?

The water around Kos is around 18℃ during January. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.

Holidays in Kos

Holiday deals you might be interested in

...

£398pp | Last-minute 5* all-inc Kos holiday with flights - save up to 35%

Enjoy a week at the popular 5* Mitsis Ramira Beach in Kos at the end of the month and you can snap it up on an all-inclusive board basis for UNDER £400pp with return flights and SAVE up to 35% off the regular rate!

...
Save 30%

£486pp | 5* luxury all-inc Kos week at lush Mitsis resort w/flights

Head to Kos in April and enjoy an all-inclusive week at the 5* Mitsis Summer Palace with return flights when you book this banger from Bluesea Holidays.

...

£650pp | 5* luxury last-minute all-inc Kos holiday with flights

Enjoy this luxury 5-star Greek Island ALL-INCLUSIVE week with 10 pools & private beach in Kos. The hotel boasts sea-view rooms, 10 restaurants, 6 bars, and a Turkish bath!

...

£475pp | All-inclusive 5* luxury Mitsis holiday in Kos with flights

Check out this all-inclusive Kos holiday at the very end of April! The deal includes meals, drinks, snacks and accommodation at a highly-rated 5* Mitsis resort with return flights! In peak summer, this holiday can cost over £1600 per person!

...

Kos: 5-star luxury half-board week w/flts

£685pp

Half-board • Flights

7-nights • May

...

Kos: deluxe all-inclusive week with flights

£389pp

All-inclusive • Flights

7-nights • April

...
Save 25%

Kos: luxury 5* all-inc week w/luggage, flights & transfers

£643pp

All-inclusive • Flights

7-nights • May

...

Kos: deluxe all-inc week w/flights

£496pp

All-inclusive • Flights

7-nights • April

...

UNDER £500 | All-inclusive 5-star Kos getaway with flights - day before over 70% more!

£455pp

All-inclusive • Flights

5-nights • April

...

Kos: All-inclusive holiday with flights

£767pp

All-inclusive • Flights

7-nights • July

...

Kos: All-inclusive luxury getaway with flights

£875pp

All-inclusive • Flights

7-nights • October

...

Kos: 11-night holiday with flights

£424pp

Breakfast • Flights

11-nights • October

Join the club...

Be the first to hear about discounted holidays, flash sales and amazing travel competitions to Kos!

Kos Blog posts

From the UK's most popular travel bloggers

...

Discovering Greece by Yacht: Four Islands to Visit

27th October 2023 by Conversant Traveller

Greece, with its impressive collection of approximately 6,000 islands, is an ideal destination for those looking to embark on a boat exploration. Its vast territory spans across the Aegean and Mediterranean seas, offering a plethora of options for intrepid travellers. In this article, we will delve into four captivating islands that are well worth a visit during your yacht adventure in Greece....

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