Corfu vs Kefallinia: which is sunnier?
🇬🇷 Greece vs 🇬🇷 Greece · 172 km apart · long-term climate normals (NASA POWER, 2001–2020)
Corfu and Kefallinia are virtually tied for annual sunshine — about 2,819 vs 2,846 hours a year. Kefallinia has the higher Sunshine Score in 5 of 12 months, Corfu in 1 (6 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.


At a glance
| Corfu | Kefallinia | |
|---|---|---|
| Sunshine hours / year | 2,819 | 2,846 |
| Sunniest month | July (93/100) | July (94/100) |
| Nov–Feb average score | 43/100 | 48/100 |
| Jun–Aug average score | 92/100 | 93/100 |
| Rain / year | 998 mm | 822 mm |
| Warmest sea | 29°C / 84°F | 27°C / 81°F |
| Peak midday UV | 9 (very high) | 9 (very high) |
Corfu vs Kefallinia month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Corfu | Kefallinia | Corfu | Kefallinia | Corfu | Kefallinia | Corfu | Kefallinia | |
| January | 30 | 37 | 13° | 14° | 125 | 116 | 17° | 17° |
| February | 38 | 40 | 14° | 14° | 110 | 88 | 16° | 16° |
| March | 52 | 48 | 16° | 15° | 96 | 70 | 16° | 17° |
| April | 71 | 74 | 18° | 18° | 55 | 40 | 18° | 17° |
| May | 88 | 91 | 22° | 21° | 42 | 24 | 21° | 19° |
| June | 91 | 93 | 27° | 26° | 27 | 17 | 25° | 24° |
| July | 93 | 94 | 29° | 28° | 16 | 11 | 28° | 26° |
| August | 91 | 93 | 30° | 29° | 25 | 15 | 29° | 27° |
| September | 81 | 83 | 26° | 26° | 81 | 71 | 27° | 26° |
| October | 75 | 77 | 23° | 23° | 115 | 100 | 23° | 24° |
| November | 62 | 67 | 19° | 19° | 151 | 125 | 21° | 22° |
| December | 40 | 46 | 15° | 16° | 155 | 145 | 18° | 18° |
The sunnier month by month: Jan Kefallinia · Feb even · Mar Corfu · Apr Kefallinia · May Kefallinia · Jun even · Jul even · Aug even · Sep even · Oct even · Nov Kefallinia · Dec Kefallinia.
When to pick which
- November–February: Kefallinia (average score 48/100 vs 43). Daytime highs are similar (15°C vs 16°C). See the winter sun ranking.
- March–May: too close to call — Corfu averages 70/100, Kefallinia 71/100. Daytime highs are similar (19°C vs 18°C).
- June–August: too close to call — Corfu averages 92/100, Kefallinia 93/100. Daytime highs are similar (29°C vs 28°C).
- September–October: too close to call — Corfu averages 78/100, Kefallinia 80/100. Daytime highs are similar (25°C vs 25°C).
Sea temperature
Corfu's sea gets warmer: 29°C / 84°F at its peak vs 27°C. Swimmable water (21°C+): Corfu about 7 months a year, Kefallinia about 6 months a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Corfu weather by month · Kefallinia weather by month · Best time to visit Greece.
More comparisons: Corfu vs Brindisi · Corfu vs Ohrid · Corfu vs Preveza · Kefallinia vs Patras · Kefallinia vs Kalamata · Kefallinia vs Preveza · all head-to-heads