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Kefallonia Regional Unit (Kefalonia)
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Weather in Kefallonia Regional Unit for December 2025

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

    Official Weather Alert ⚠️

  • Moderate Fog Warning - See hour by hour.

    • Temperatures

  • Until now, December 2025 in Kefallonia Regional Unit has been nearly identical to the historical average, with a temperature of 15.1 °C (showing only a slight deviation of -0.1 °C).

  • The forecast for the next days in Kefallonia Regional Unit predicts temperatures to be around 14 °C, close to the historical average.

  • In general, the average temperature in Kefallonia Regional Unit at the beginning of December is 15.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.6 °C by the end of December.

    • Rain 🌧️

  • Kefallonia Regional Unit in December brings notable rainfall, with an average of 18 rainy days and a total precipitation of 119 mm.

    • More

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

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
13
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/12°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Kefallonia Regional Unit Weather December

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

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
 16° /12° 1.5 mm 4
2 Dec. Patchy rain possible
Patchy rain possible
 16° /13° 1.7 mm 4
3 Dec. Patchy rain possible
Patchy rain possible
 16° /14° 7.1 mm 4
4 Dec. Light rain shower
Light rain shower
 15° /13° 13 mm 4
5 Dec. Patchy light drizzle
Patchy light drizzle
 14° /13° 22.1 mm 3
6 Dec. Light rain shower
Light rain shower
 16° /13° 9.8 mm 4
7 Dec. Light rain shower
Light rain shower
 15° /12° 11.4 mm 4
8 Dec. Patchy rain possible
Patchy rain possible
 15° /11° 4.4 mm 4
9 Dec. Partly cloudy
Partly cloudy
 15° /11° 4.4 mm 4
10 Dec. Partly cloudy
Partly cloudy
 15° /11° 2.8 mm 4
11 Dec. Partly cloudy
Partly cloudy
 15° /11° 0.9 mm 4
12 Dec. Patchy rain possible
Patchy rain possible
 15° /12° 0.1 mm 4
13 Dec. Cloudy
Cloudy
 16° /12° 0 mm 4
14 Dec. Patchy rain possible
Patchy rain possible
 16° /13° 2.2 mm 4
15 Dec. Light rain shower
Light rain shower
 16° /12° 5 mm 4
16 Dec. Light rain shower
Light rain shower
 14° /10° 1.7 mm 4
17 Dec. Sunny
Sunny
 14° /10° 0 mm 5
18 Dec. Sunny
Sunny
 14° /10° 0 mm 5
19 Dec. Partly cloudy
Partly cloudy
 15° /13° 0 mm 0.3
20 Dec. Patchy rain possible
Patchy rain possible
 14° /13° 0.6 mm 0.2
21 Dec. Patchy rain possible
Patchy rain possible
 15° /12° 1.5 mm 0.3
22 Dec. Moderate rain
Moderate rain
 14° /12° 12 mm 0.1
23 Dec. Moderate rain
Moderate rain
 16° /13° 16.7 mm 0.3
24 Dec. Patchy rain possible
Patchy rain possible
 15° /13° 4.2 mm 3
25 Dec. Patchy rain possible
Patchy rain possible
 15° /14° 2.2 mm 3
26 Dec. Patchy rain possible
Patchy rain possible
 16° /14° 2.6 mm 3
27 Dec. Moderate rain
Moderate rain
 15° /12° 7.2 mm 3
28 Dec. Patchy rain possible
Patchy rain possible
 13° /9° 5 mm 3
29 Dec. Moderate rain
Moderate rain
 12° /8° 6 mm 2
30 Dec. Partly cloudy
Partly cloudy
 13° /9° 0 mm 4
31 Dec. Cloudy
Cloudy
 11° /9° 0 mm 3
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°14°/11°
Rainfall157 mm119 mm157 mm
Wind25.7 km/h21 km/h20.8 km/h
Humidity69%72%73%
Rainy days21 days18 days15 days
Dry days9 days13 days16 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 119 mm is expected in Kefallonia Regional Unit during December, occurring over more than 18 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 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Kefallonia Regional Unit water temperatures in December

The average water temperature of the Mediterranean Sea near Kefallonia Regional Unit in December is 18.4 °C. At the beginning of December temperatures are around 18.5 °C; by the end of the month they stay fairly steady and reach 18 °C.

What is the water temperature in Kefallonia Regional Unit in December?
The average water temperature in Kefallonia Regional Unit in December is 18.4 °C.
Can you swim in Kefallonia Regional Unit in December?
Refreshing and invigorating. Expect to feel chilled after 10–20 minutes; a shorty wetsuit extends water time, especially at dawn.

What to pack to Kefallonia Regional Unit in December?

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.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

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 18 rainy days in December with a total of 119 mm of rainfall.
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Location coordinates Where is Kefallonia Regional Unit?

Get accurate weather forecasts for Kefallonia Regional Unit, located at latitude 38.122 and longitude 20.502. Stay updated with localized weather information tailored for Kefallonia Regional Unit.

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