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Weather in Kefalonia for May 2027

Your guide to Kefalonia weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Kefalonia at the beginning of May is 19.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 22.3 °C by the end of May.

    • Rain 🌧️

  • Kefalonia experiences moderate rainfall in May, with an average of 10 rainy days and a total precipitation of 24.4 mm.

    • More

  • Is May a good time to visit Kefalonia? check out the best time to travel to Kefalonia page.

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

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/16°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Kefalonia Weather May

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

Temperatures trend during May in Kefalonia

See the weather trend as well as the moving average line

May weather in Kefalonia day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Cloudy
Cloudy
 19° /14° 1 mm 4
2 May Patchy rain possible
Patchy rain possible
 19° /13° 0.2 mm 5
3 May Patchy rain possible
Patchy rain possible
 18° /14° 0.4 mm 6
4 May Light rain shower
Light rain shower
 18° /13° 1.1 mm 6
5 May Sunny
Sunny
 20° /14° 0 mm 7
6 May Sunny
Sunny
 21° /15° 0.1 mm 7
7 May Sunny
Sunny
 21° /14° 0 mm 7
8 May Overcast
Overcast
 21° /16° 0.5 mm 7
9 May Light rain shower
Light rain shower
 21° /16° 1 mm 6
10 May Patchy rain possible
Patchy rain possible
 21° /15° 0.3 mm 7
11 May Patchy light rain with thunder
Patchy light rain with thunder
 20° /15° 0.7 mm 6
12 May Patchy rain possible
Patchy rain possible
 20° /14° 2.1 mm 6
13 May Sunny
Sunny
 20° /15° 0 mm 7
14 May Patchy rain possible
Patchy rain possible
 20° /14° 0.7 mm 6
15 May Sunny
Sunny
 21° /14° 1.6 mm 7
16 May Patchy rain possible
Patchy rain possible
 22° /16° 7.6 mm 5
17 May Light rain shower
Light rain shower
 20° /16° 0.3 mm 7
18 May Sunny
Sunny
 21° /16° 0.1 mm 7
19 May Sunny
Sunny
 21° /16° 0.2 mm 7
20 May Patchy rain possible
Patchy rain possible
 22° /16° 0.2 mm 7
21 May Patchy rain possible
Patchy rain possible
 24° /17° 0 mm 6
22 May Sunny
Sunny
 22° /16° 1 mm 7
23 May Sunny
Sunny
 23° /16° 0.4 mm 6
24 May Cloudy
Cloudy
 23° /16° 0.9 mm 7
25 May Overcast
Overcast
 23° /16° 1.4 mm 7
26 May Sunny
Sunny
 22° /16° 0.4 mm 7
27 May Partly cloudy
Partly cloudy
 23° /16° 0.3 mm 8
28 May Patchy rain possible
Patchy rain possible
 22° /16° 0.1 mm 7
29 May Patchy rain possible
Patchy rain possible
 22° /16° 0.6 mm 7
30 May Patchy rain possible
Patchy rain possible
 22° /17° 1.7 mm 7
31 May Sunny
Sunny
 22° /17° 0 mm 7
Next
Important Notice
Our weather forecast for Kefalonia in May 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 Kefalonia forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Kefalonia weather in May vs April vs June

Compare May weather in Kefalonia with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AprilMayJune
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Sunny
Sunny
Temperatures17°/13°20°/16°27°/20°
Rainfall47 mm24 mm1 mm
Wind21.3 km/h20.5 km/h20.4 km/h
Humidity71%72%63%
Rainy days6 days10 days1 days
Dry days24 days21 days29 days

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

Kefalonia in May - FAQ

What are the expected maximum and minimum temperatures in Kefalonia during May?

During May, expect a variety of temperatures with highs around 20° and lows near 16°, suitable for diverse activities and preferences.

How much rainfall should be expected in Kefalonia during May?

In May, Kefalonia can expect light to moderate rainfall, totaling 24.4 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Kefalonia during May?

The average wind speed in Kefalonia during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Kefalonia water temperatures in May

The average water temperature of the Mediterranean Sea near Kefalonia in May is 16.8 °C. At the beginning of May temperatures are around 16.2 °C; by the end of the month they get warmer and reach 17.4 °C.

What is the water temperature in Kefalonia in May?
The average water temperature in Kefalonia in May is 16.8 °C.
Can you swim in Kefalonia in May?
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.

What to pack to Kefalonia in May?

As you prepare for your trip to Kefalonia in May, 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 Kefalonia, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable trousers
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Umbrellas/Raincoats: For rainy days

May rainfall patterns in Kefalonia

Explore the daily rainfall trends and prepare for Kefalonias May weather 💧
Typically, Kefalonia has 10 rainy days in May with a total of 24.4 mm of rainfall.

UV exposure in Kefalonia during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

Quick links

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Location coordinates Where is Kefalonia?

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

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