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Weather in Ionian Islands for December 2025

Your guide to Ionian Islands weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Moderate Fog Warning - See hour by hour.

    • Temperatures

  • Until now, December 2025 in Ionian Islands has been nearly identical to the historical average, with a temperature of 14.9 °C (showing only a slight deviation of -0.3 °C).

  • The forecast for the next days in Ionian Islands predicts temperatures to be around 13 °C, close to the historical average.

  • In general, the average temperature in Ionian Islands at the beginning of December is 15.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 13.1 °C by the end of December.

    • Rain 🌧️

  • Ionian Islands experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 210.4 mm.

    • More

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

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

Average dry days
5
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/12°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Ionian Islands Weather December

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

What’s the Weather Like in Ionian Islands This December?

Discover the average temperatures and weather trends across Ionian Islands’s cities this December.
Patchy rain possibleCorfu14 °C / 12 °CPatchy rain possibleCorfu14 °C / 11 °CPatchy rain possibleKefalonia14 °C / 12 °CPatchy rain possibleLefkáda14 °C / 11 °CPatchy rain possibleZakynthos15 °C / 13 °CPatchy rain possibleZakynthos15 °C / 13 °CPatchy rain possibleItháki13 °C / 10 °CMore Locations

Temperatures trend during December in Ionian Islands

See the weather trend as well as the moving average line

December weather in Ionian Islands 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° 0.6 mm 3
2 Dec. Patchy rain possible
Patchy rain possible
 16° /12° 1.3 mm 4
3 Dec. Light rain shower
Light rain shower
 16° /13° 14.2 mm 4
4 Dec. Patchy rain possible
Patchy rain possible
 16° /12° 12.7 mm 4
5 Dec. Light rain shower
Light rain shower
 16° /12° 9.5 mm 4
6 Dec. Patchy rain possible
Patchy rain possible
 15° /12° 12.8 mm 4
7 Dec. Light rain shower
Light rain shower
 15° /12° 5.8 mm 4
8 Dec. Sunny
Sunny
 15° /12° 6.7 mm 4
9 Dec. Partly cloudy
Partly cloudy
 16° /12° 13.5 mm 4
10 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /12° 24.4 mm 4
11 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /11° 22.2 mm 4
12 Dec. Moderate rain at times
Moderate rain at times
 14° /11° 3.1 mm 4
13 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /11° 1.8 mm 4
14 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /12° 7.9 mm 4
15 Dec. Sunny
Sunny
 15° /11° 6.1 mm 4
16 Dec. Sunny
Sunny
 15° /11° 2.4 mm 4
17 Dec. Sunny
Sunny
 15° /11° 1.2 mm 4
18 Dec. Sunny
Sunny
 14° /10° 0 mm 4
19 Dec. Partly cloudy
Partly cloudy
 15° /13° 0 mm 0.3
20 Dec. Partly cloudy
Partly cloudy
 15° /13° 0 mm 0.2
21 Dec. Sunny
Sunny
 14° /12° 0 mm 0.3
22 Dec. Patchy rain possible
Patchy rain possible
 14° /12° 1.5 mm 0.3
23 Dec. Heavy rain
Heavy rain
 14° /13° 24.8 mm 0
24 Dec. Patchy rain possible
Patchy rain possible
 14° /12° 2 mm 3
25 Dec. Patchy rain possible
Patchy rain possible
 15° /14° 2.6 mm 3
26 Dec. Patchy rain possible
Patchy rain possible
 15° /14° 2.7 mm 3
27 Dec. Moderate rain
Moderate rain
 13° /12° 6 mm 3
28 Dec. Patchy rain possible
Patchy rain possible
 12° /11° 0.6 mm 3
29 Dec. Sunny
Sunny
 12° /9° 0 mm 4
30 Dec. Partly cloudy
Partly cloudy
 12° /10° 0 mm 4
31 Dec. Sunny
Sunny
 13° /10° 0 mm 4
Next
Important Notice
Our weather forecast for Ionian Islands 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 Ionian Islands forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Ionian Islands weather in December vs November vs January

Compare December weather in Ionian Islands 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°
Rainfall227 mm210 mm191 mm
Wind20.5 km/h17.5 km/h19.1 km/h
Humidity66%69%68%
Rainy days28 days26 days28 days
Dry days2 days5 days3 days

Planning a trip to Ionian Islands? Discover the best time to visit

Ionian Islands in December - FAQ

What are the expected maximum and minimum temperatures in Ionian Islands 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 Ionian Islands during December?
Significant rainfall exceeding 210.4 mm is expected in Ionian Islands during December, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ionian Islands during December?
The average wind speed in Ionian Islands during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Ionian Islands water temperatures in December

The average water temperature of the Mediterranean Sea near Ionian Islands in December is 18.2 °C. At the beginning of December temperatures are around 18.2 °C; by the end of the month they stay fairly steady and reach 18 °C.

What is the water temperature in Ionian Islands in December?
The average water temperature in Ionian Islands in December is 18.2 °C.
Can you swim in Ionian Islands 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 Ionian Islands in December?

As you prepare for your trip to Ionian Islands 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 Ionian Islands, 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 Ionian Islands

Explore the daily rainfall trends and prepare for Ionian Islandss December weather 💧
Typically, Ionian Islands has 26 rainy days in December with a total of 210.4 mm of rainfall.
Provinces in Ionian Islands
Select a province for an accurate weather forecast
Kefallonia Regional UnitLefkadaNomós KerkýrasNomós Zakýnthou
Top locations in Ionian Islands
Select a location for an accurate weather forecast
CorfuCorfuIthákiKefaloniaLefkádaZakynthosZakynthos
More Locations

Quick links

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Location coordinates Where is Ionian Islands?

Get accurate weather forecasts for Ionian Islands, located at latitude 39.624 and longitude 19.92. Stay updated with localized weather information tailored for Ionian Islands.

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