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Kefallonia Regional Unit (Kefalonia)
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Weather in Kefallonia Regional Unit for December 2026

Your guide to Kefallonia Regional Unit weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Kefallonia Regional Unit at the beginning of December is 15.2 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.2 °C by the end of December.

    • Rain 🌧️

  • The climate of Kefallonia Regional Unit in December is notably wet, with an average of 13 rainy days, and a total of 125.7 mm of precipitation.

    • More

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

  • ✨ Is December a good time to visit Kefallonia Regional Unit? – Ask the AI Weatherman

Average dry days
18
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/12°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Kefallonia Regional Unit Weather December

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

Temperatures trend during December in Kefallonia Regional Unit

See the weather trend as well as the moving average line

December weather in Kefallonia Regional Unit day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Patchy rain possible
Patchy rain possible
 15° /12° 1.5 mm 2.3
2 Dec. Patchy rain possible
Patchy rain possible
 16° /14° 1.7 mm 2.3
3 Dec. Light rain
Light rain
 16° /14° 7.1 mm 2.3
4 Dec. Moderate rain
Moderate rain
 15° /13° 13 mm 2.2
5 Dec. Moderate rain
Moderate rain
 14° /13° 22.1 mm 2.2
6 Dec. Light rain
Light rain
 15° /13° 9.8 mm 2.2
7 Dec. Moderate rain
Moderate rain
 15° /13° 11.4 mm 2.2
8 Dec. Light rain
Light rain
 15° /12° 4.4 mm 2.2
9 Dec. Light rain
Light rain
 15° /12° 4.4 mm 2.2
10 Dec. Light rain
Light rain
 15° /11° 2.8 mm 2.1
11 Dec. Partly cloudy
Partly cloudy
 15° /12° 0.9 mm 2.1
12 Dec. Patchy rain possible
Patchy rain possible
 15° /12° 0.1 mm 2.1
13 Dec. Cloudy
Cloudy
 16° /12° 0 mm 2.1
14 Dec. Patchy rain possible
Patchy rain possible
 16° /13° 2.2 mm 2.1
15 Dec. Light rain
Light rain
 16° /12° 5 mm 2.1
16 Dec. Light rain shower
Light rain shower
 14° /11° 1.7 mm 2.1
17 Dec. Sunny
Sunny
 14° /11° 0 mm 2.1
18 Dec. Sunny
Sunny
 15° /11° 0 mm 2.1
19 Dec. Sunny
Sunny
 15° /11° 0 mm 2.1
20 Dec. Light rain
Light rain
 15° /12° 3.6 mm 2.1
21 Dec. Light rain
Light rain
 14° /12° 3.3 mm 2
22 Dec. Light rain shower
Light rain shower
 13° /12° 2.2 mm 2
23 Dec. Light rain
Light rain
 15° /12° 8.3 mm 2.1
24 Dec. Moderate rain
Moderate rain
 14° /11° 13.6 mm 2.1
25 Dec. Patchy rain possible
Patchy rain possible
 14° /11° 0.4 mm 2.1
26 Dec. Patchy rain possible
Patchy rain possible
 13° /11° 1.1 mm 2
27 Dec. Sunny
Sunny
 13° /10° 0 mm 2.1
28 Dec. Patchy rain possible
Patchy rain possible
 13° /10° 0.3 mm 2.1
29 Dec. Patchy rain possible
Patchy rain possible
 13° /9° 0 mm 2.1
30 Dec. Light rain
Light rain
 13° /10° 4.4 mm 2.1
31 Dec. Overcast
Overcast
 13° /10° 0.4 mm 2
Next
Important Notice
Our weather forecast for Kefallonia Regional Unit 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 Kefallonia Regional Unit forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Kefallonia Regional Unit weather in December vs November vs January

Compare December weather in Kefallonia Regional Unit 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
Temperatures18°/15°14°/12°13°/10°
Rainfall185 mm126 mm168 mm
Wind26 km/h20.3 km/h25.8 km/h
Humidity71%73%74%
Rainy days17 days13 days14 days
Dry days13 days18 days17 days

Planning a trip to Kefallonia Regional Unit? Discover the best time to visit

Kefallonia Regional Unit in December - FAQ

What are the expected maximum and minimum temperatures in Kefallonia Regional Unit during December?
During December, expect a variety of temperatures with highs around 14° and lows near 12°, suitable for diverse activities and preferences.

How much rainfall should be expected in Kefallonia Regional Unit during December?
Significant rainfall exceeding 125.7 mm is expected in Kefallonia Regional Unit during December, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Kefallonia Regional Unit during December?
The average wind speed in Kefallonia Regional Unit during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Kefallonia Regional Unit water temperatures in December

The average water temperature of the Ionian Sea near Kefallonia Regional Unit in December is 17.8 °C. At the beginning of December temperatures are around 18.5 °C; by the end of the month they get cooler and reach 17.1 °C.

What is the water temperature in Kefallonia Regional Unit in December?
The average water temperature in Kefallonia Regional Unit in December is 17.8 °C.
Can you swim in Kefallonia Regional Unit in December?
Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.

December rainfall patterns in Kefallonia Regional Unit

Explore the daily rainfall trends and prepare for Kefallonia Regional Units December weather 💧
Typically, Kefallonia Regional Unit has 13 rainy days in December with a total of 125.7 mm of rainfall.

What to pack to Kefallonia Regional Unit in December?

🌦️ Mild · highs around 14 °C, frequent showers

As you prepare for your trip to Kefallonia Regional Unit 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 Kefallonia Regional Unit, during December, is comfortable and enjoyable, regardless of the weather conditions.

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🎒 Accessories

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