Kefallinia weather by month & the best time to visit
Greece · beach resort · Mediterranean climate
The best time to visit Kefallinia is July — its sunniest month (Sunshine Score 94/100), with June and August close behind. Kefallinia averages about 2,846 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 11 mm of rain in July.
When is the best time to visit Kefallinia?
For sunshine, the best time to visit Kefallinia is July, then June and August. The dullest month is January (37/100, 116 mm of rain). The full month-by-month picture is in the table below.
How sunny is Kefallinia?
Kefallinia gets a lot of sun: around 2,846 hours a year. 57 Sunshine Score points separate July (94) from January (37), so the month you pick matters. It ranks #25 of 40 destinations in Greece for annual sunshine, below the national median of 2,896 hours. Rain has a clear season: the wettest stretch, around December, carries about 47% of the annual 822 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 37 | 14° / 57°F | 12° / 54°F | 116 mm | 1 | 17° / 63°F |
| February | 40 | 14° / 57°F | 11° / 52°F | 88 mm | 2 | 16° / 61°F |
| March | 48 | 15° / 59°F | 13° / 55°F | 70 mm | 4 | 17° / 63°F |
| April | 74 | 18° / 64°F | 15° / 59°F | 40 mm | 6 | 17° / 63°F |
| May | 91 | 21° / 70°F | 18° / 64°F | 24 mm | 7 | 19° / 66°F |
| June | 93 | 26° / 79°F | 22° / 72°F | 17 mm | 9 | 24° / 75°F |
| July | 94 | 28° / 82°F | 25° / 77°F | 11 mm | 9 | 26° / 79°F |
| August | 93 | 29° / 84°F | 25° / 77°F | 15 mm | 8 | 27° / 81°F |
| September | 83 | 26° / 79°F | 23° / 73°F | 71 mm | 6 | 26° / 79°F |
| October | 77 | 23° / 73°F | 20° / 68°F | 100 mm | 4 | 24° / 75°F |
| November | 67 | 19° / 66°F | 17° / 63°F | 125 mm | 2 | 22° / 72°F |
| December | 46 | 16° / 61°F | 13° / 55°F | 145 mm | 1 | 18° / 64°F |
Sea temperature in Kefallinia by month
The sea off Kefallinia is warmest in August at around 27°C / 81°F, and coolest in February at 16°C / 61°F. The water sits at a comfortable 21°C or warmer roughly 6 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Head-to-head
How Kefallinia compares month by month: Kefallinia vs Patras · Kefallinia vs Corfu · Kefallinia vs Kalamata · Kefallinia vs Preveza · all comparisons
Kefallinia: questions and answers
What kind of destination is Kefallinia?
Kefallinia is a beach resort in Greece with a Mediterranean climate — the sea reaches 27°C at its warmest and is swimmable (21°C+) about 6 months a year.
How many hours of sunshine does Kefallinia get a year?
Kefallinia gets about 2,846 hours of sunshine a year, at its best around July.
When is the best time to visit Kefallinia?
The sunniest time to visit Kefallinia is July, when the Sunshine Score peaks at 94/100 (with June and August close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Kefallinia?
January is the least sunny month in Kefallinia, scoring 37/100 with about 116 mm of rain.
What is the sea temperature in Kefallinia?
The sea in Kefallinia ranges from about 16°C (February) to 27°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Kefallinia?
The typical midday UV index in Kefallinia peaks around 9 (very high) in June, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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