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Weather in Kos for December 2026

Your guide to Kos weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Kos at the beginning of December is 17.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 14.3 °C by the end of December.

    • Rain 🌧️

  • The climate of Kos in December is notably wet, with an average of 14 rainy days, and a total of 164.3 mm of precipitation.

    • More

  • Is December a good time to visit Kos? check out the best time to travel to Kos page.

  • ✨ Is December a good time to visit Kos? – Ask the AI Weatherman

Average dry days
17
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/13°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Kos Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
18°
2
Light rain
17°
3
Patchy rain possible
17°
4
Light rain
17°
5
Moderate rain
17°
6
Moderate rain
16°
7
Moderate rain
17°
8
Moderate rain
17°
9
Light rain
16°
10
Light rain shower
16°
11
Light rain
16°
12
Patchy rain possible
16°
13
Sunny
15°
14
Sunny
16°
15
Patchy rain possible
17°
16
Light rain
17°
17
Cloudy
15°
18
Sunny
16°
19
Sunny
15°
20
Patchy rain possible
17°
21
Moderate rain
16°
22
Light rain
15°
23
Light rain
16°
24
Moderate rain
17°
25
Moderate rain
16°
26
Light rain
15°
27
Sunny
14°
28
Patchy rain possible
13°
29
Sunny
13°
30
Patchy rain possible
14°
31
Light rain
15°

Temperatures trend during December in Kos

See the weather trend as well as the moving average line

December weather in Kos day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Light rain
Light rain
 18° /15° 9.3 mm 2.5
2 Dec. Light rain
Light rain
 17° /15° 2.5 mm 2.5
3 Dec. Patchy rain possible
Patchy rain possible
 17° /15° 0.5 mm 2.5
4 Dec. Light rain
Light rain
 17° /15° 3 mm 2.4
5 Dec. Moderate rain
Moderate rain
 17° /14° 10.5 mm 2.4
6 Dec. Moderate rain
Moderate rain
 16° /14° 15.9 mm 2.4
7 Dec. Moderate rain
Moderate rain
 17° /14° 17.4 mm 2.4
8 Dec. Moderate rain
Moderate rain
 17° /14° 13.1 mm 2.4
9 Dec. Light rain
Light rain
 16° /14° 2.9 mm 2.4
10 Dec. Light rain shower
Light rain shower
 16° /13° 1.3 mm 2.3
11 Dec. Light rain
Light rain
 16° /13° 4.8 mm 2.3
12 Dec. Patchy rain possible
Patchy rain possible
 16° /13° 0 mm 2.3
13 Dec. Sunny
Sunny
 15° /12° 0 mm 2.3
14 Dec. Sunny
Sunny
 16° /13° 0 mm 2.3
15 Dec. Patchy rain possible
Patchy rain possible
 17° /13° 2 mm 2.3
16 Dec. Light rain
Light rain
 17° /13° 3.9 mm 2.3
17 Dec. Cloudy
Cloudy
 15° /11° 0.2 mm 2.3
18 Dec. Sunny
Sunny
 16° /12° 0 mm 2.3
19 Dec. Sunny
Sunny
 15° /12° 0 mm 2.3
20 Dec. Patchy rain possible
Patchy rain possible
 17° /13° 1.2 mm 2.3
21 Dec. Moderate rain
Moderate rain
 16° /13° 23.6 mm 2.3
22 Dec. Light rain
Light rain
 15° /13° 6.7 mm 2
23 Dec. Light rain
Light rain
 16° /13° 5.6 mm 2.3
24 Dec. Moderate rain
Moderate rain
 17° /13° 15 mm 2.3
25 Dec. Moderate rain
Moderate rain
 16° /14° 11.9 mm 2.3
26 Dec. Light rain
Light rain
 15° /13° 6.1 mm 2.3
27 Dec. Sunny
Sunny
 14° /10° 0.3 mm 2.3
28 Dec. Patchy rain possible
Patchy rain possible
 13° /9° 0.5 mm 2.3
29 Dec. Sunny
Sunny
 13° /9° 0.5 mm 2.3
30 Dec. Patchy rain possible
Patchy rain possible
 14° /10° 1.7 mm 2.3
31 Dec. Light rain
Light rain
 15° /11° 3.8 mm 2.3
Next
Important Notice
Our weather forecast for Kos in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Kos forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Kos weather in December vs November vs January

Compare December weather in Kos with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures19°/16°16°/13°15°/11°
Rainfall96 mm164 mm130 mm
Wind23.5 km/h23.3 km/h27.7 km/h
Humidity64%69%69%
Rainy days10 days14 days15 days
Dry days20 days17 days16 days

Planning a trip to Kos? Discover the best time to visit

Kos in December - FAQ

What are the expected maximum and minimum temperatures in Kos during December?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Kos during December?
Significant rainfall exceeding 164.3 mm is expected in Kos during December, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Kos during December?
The average wind speed in Kos during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Kos water temperatures in December

The average water temperature of the Mediterranean Sea near Kos in December is 20.4 °C. At the beginning of December temperatures are around 20.8 °C; by the end of the month they get a bit cooler and reach 20.1 °C.

What is the water temperature in Kos in December?
The average water temperature in Kos in December is 20.4 °C.
Can you swim in Kos in December?
Refreshing and invigorating. Expect to feel chilled after 10–20 minutes; a shorty wetsuit extends water time, especially at dawn.

December rainfall patterns in Kos

Explore the daily rainfall trends and prepare for Koss December weather 💧
Typically, Kos has 14 rainy days in December with a total of 164.3 mm of rainfall.

What to pack to Kos in December?

🌦️ Mild · highs around 16 °C, frequent showers

As you prepare for your trip to Kos in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Kos, during December, is comfortable and enjoyable, regardless of the weather conditions.

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Get accurate weather forecasts for Kos, located at latitude 36.893 and longitude 27.288. Stay updated with localized weather information tailored for Kos.

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