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Kefallonia Regional Unit (Kefalonia)
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Weather in Kefallonia Regional Unit for May 2027

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

    Temperatures

  • In general, the average temperature in Kefallonia Regional Unit at the beginning of May is 19 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 21.9 °C by the end of May.

    • Rain 🌧️

  • Kefallonia Regional Unit experiences moderate rainfall in May, with an average of 7 rainy days and a total precipitation of 24.7 mm.

    • More

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

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

Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/16°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Kefallonia Regional Unit Weather May

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

Temperatures trend during May in Kefallonia Regional Unit

See the weather trend as well as the moving average line

May weather in Kefallonia Regional Unit day by day

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

Compare May 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.
AprilMayJune
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Sunny
Sunny
Temperatures17°/13°21°/16°27°/20°
Rainfall47 mm25 mm7 mm
Wind21.3 km/h20 km/h19.7 km/h
Humidity71%72%65%
Rainy days5 days7 days2 days
Dry days25 days24 days28 days

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

Kefallonia Regional Unit in May - FAQ

What are the expected maximum and minimum temperatures in Kefallonia Regional Unit during May?
During May, expect a variety of temperatures with highs around 21° and lows near 16°, suitable for diverse activities and preferences.

How much rainfall should be expected in Kefallonia Regional Unit during May?
In May, Kefallonia Regional Unit can expect light to moderate rainfall, totaling 24.7 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.

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

Kefallonia Regional Unit water temperatures in May

The average water temperature of the Ionian Sea near Kefallonia Regional Unit 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 Kefallonia Regional Unit in May?
The average water temperature in Kefallonia Regional Unit in May is 16.8 °C.
Can you swim in Kefallonia Regional Unit 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.

May rainfall patterns in Kefallonia Regional Unit

Explore the daily rainfall trends and prepare for Kefallonia Regional Units May weather 💧
Typically, Kefallonia Regional Unit has 7 rainy days in May with a total of 24.7 mm of rainfall.

UV exposure in Kefallonia Regional Unit during May

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

What to pack to Kefallonia Regional Unit in May?

⛅ Mild · highs around 21 °C, occasional showers

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

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