Weather Forecast for Cephalonia

Ionian Islands, Greece

select dropwdown icon
Share
Partly cloudy

Current Weather - Cephalonia: 16°C

Ionian Islands, Greece

Partly cloudy

Feels like 16°C

Wind

4 km/h SE

Humidity

82%

Pressure

1013 mb

UV Index

1

Visibility

10 km

Moderate rain

Moderate rain

Wednesday, December 24, 2025

High

13°C

Low

11°C

Rain Chance

100%

Hourly Forecast

Light rain shower 13°C
12:00
Partly cloudy 16°C
13:00
Light rain shower 13°C
14:00
Patchy rain nearby 12°C
15:00
Patchy rain nearby 12°C
16:00
Overcast 13°C
17:00
Patchy rain nearby 13°C
18:00
Patchy rain nearby 12°C
19:00
Patchy rain nearby 12°C
20:00
Light drizzle 12°C
21:00
Light drizzle 11°C
22:00
Patchy rain nearby 11°C
23:00
Dec 25

Day Statistics

Maximum Wind

34 km/h

Humidity

79%

Precipitation

20 mm

UV Index

0

Visibility

9 km

Rain Chance

100%

Snow Chance

0%

Sun & Moon

Sunrise

07:52 AM

Sunset

05:23 PM

Moonrise

10:55 AM

Moonset

09:37 PM

Moon Phase

Waxing Crescent

Moon Illumination

14%

Air Quality

PM2.5

4.9

μg/m³

PM10

6.6

μg/m³

NO₂

2.1

μg/m³

O₃

65.9

μg/m³

SO₂

0.9

μg/m³

CO

125.1

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

92.54

Diffuse Radiation

51.72

DNI

99.34

GTI

29.21

Weather Alerts

Yellow warning for Ionion Islands

Ionion Islands Dec 23, 12:02 PM - Dec 25, 06:00 AM
Severity: Moderate Urgency: Expected

Locally intensive rain. Precipitation amount forecasted from 20 to 40 mm. BE AWARE of the potential for localised flooding of a small number of properties, with local disruption to outdoor activities. Difficult driving conditions due to reduced visibility and aquaplaning.

Event: Yellow Warning Certainty: Likely Category: Met

Orange Thunderstorm for Ionion Islands

Ionion Islands Dec 23, 11:22 AM - Dec 24, 09:00 PM
Severity: Severe Urgency: Expected

Severe thunderstorms in place probably accompanied by strong winds and hail at times. BE PREPARED for severe thunderstorms causing significant impact and protect yourself from lightning. Damage to property and trees may occur. Flash flooding, wind gusts and hail are possible. Transport and outdoor activities disruption can be expected.

Event: Severe Thunderstorm warning Certainty: Likely Category: Met

Orange warning for Ionion Islands

Ionion Islands Dec 23, 11:07 AM - Dec 24, 08:00 PM
Severity: Severe Urgency: Expected

Locally heavy rain. Precipitation amount forecasted from 50 to 60 mm in 12 hours. BE PREPARED. Some flooding of properties and transport networks, disruption to power, communications and water supplies are possible. Some evacuations may be required. Dangerous driving conditions due to reduced visibility and aquaplaning.

Event: Orange Warning Certainty: Likely Category: Met

When to visit Cephalonia?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: May June July

January

☀️
14°C
💧
18 Days of rain
❄️
Light snow possible

February

☀️
14°C
💧
15 Days of rain
❄️
No snowfall
🥶 Coldest month

March

☀️
15°C
💧
11 Days of rain
❄️
No snowfall

April

☀️
17°C
💧
6 Days of rain
❄️
No snowfall

May

☀️
20°C
💧
3 Days of rain
❄️
No snowfall
Best time to visit

June

☀️
24°C
💧
2 Days of rain
❄️
No snowfall
Best time to visit

July

☀️
26°C
💧
1 Days of rain
❄️
No snowfall
Best time to visit
🌵 Driest month

August

☀️
27°C
💧
1 Days of rain
❄️
No snowfall
🔥 Hottest month

September

☀️
25°C
💧
9 Days of rain
❄️
No snowfall

October

☀️
22°C
💧
15 Days of rain
❄️
No snowfall

November

☀️
19°C
💧
23 Days of rain
❄️
No snowfall

December

☀️
16°C
💧
23 Days of rain
❄️
No snowfall
🌧 Wettest month,