Kalamata vs Kefallinia: which is sunnier?
🇬🇷 Greece vs 🇬🇷 Greece · 178 km apart · long-term climate normals (NASA POWER, 2001–2020)
Kefallinia is the sunnier overall: about 2,846 hours of sunshine a year to Kalamata's 2,737. Kalamata has the higher Sunshine Score in 6 of 12 months, Kefallinia in 3 (3 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.


At a glance
| Kalamata | Kefallinia | |
|---|---|---|
| Sunshine hours / year | 2,737 | 2,846 |
| Sunniest month | May (91/100) | July (94/100) |
| Nov–Feb average score | 53/100 | 48/100 |
| Jun–Aug average score | 86/100 | 93/100 |
| Rain / year | 688 mm | 822 mm |
| Warmest sea | 28°C / 82°F | 27°C / 81°F |
| Peak midday UV | 9 (very high) | 9 (very high) |
Kalamata vs Kefallinia month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Kalamata | Kefallinia | Kalamata | Kefallinia | Kalamata | Kefallinia | Kalamata | Kefallinia | |
| January | 37 | 37 | 14° | 14° | 111 | 116 | 18° | 17° |
| February | 47 | 40 | 15° | 14° | 81 | 88 | 17° | 16° |
| March | 63 | 48 | 17° | 15° | 59 | 70 | 17° | 17° |
| April | 90 | 74 | 20° | 18° | 30 | 40 | 18° | 17° |
| May | 91 | 91 | 25° | 21° | 21 | 24 | 20° | 19° |
| June | 90 | 93 | 29° | 26° | 26 | 17 | 24° | 24° |
| July | 83 | 94 | 33° | 28° | 13 | 11 | 27° | 26° |
| August | 84 | 93 | 33° | 29° | 9 | 15 | 28° | 27° |
| September | 85 | 83 | 29° | 26° | 55 | 71 | 27° | 26° |
| October | 83 | 77 | 25° | 23° | 68 | 100 | 24° | 24° |
| November | 76 | 67 | 20° | 19° | 102 | 125 | 22° | 22° |
| December | 50 | 46 | 16° | 16° | 113 | 145 | 19° | 18° |
The sunnier month by month: Jan even · Feb Kalamata · Mar Kalamata · Apr Kalamata · May even · Jun Kefallinia · Jul Kefallinia · Aug Kefallinia · Sep even · Oct Kalamata · Nov Kalamata · Dec Kalamata.
When to pick which
- November–February: Kalamata (average score 53/100 vs 48). Daytime highs are similar (16°C vs 16°C). See the winter sun ranking.
- March–May: Kalamata (average score 81/100 vs 71). Kalamata is the warmer, around 21°C daytime highs vs 18°C.
- June–August: Kefallinia (average score 93/100 vs 86). Kalamata is the warmer, around 32°C daytime highs vs 28°C.
- September–October: Kalamata (average score 84/100 vs 80). Kalamata is the warmer, around 27°C daytime highs vs 25°C.
Sea temperature
Kalamata's sea gets warmer: 28°C / 82°F at its peak vs 27°C. Swimmable water (21°C+): Kalamata about 6 months a year, Kefallinia about 6 months a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Kalamata weather by month · Kefallinia weather by month · Best time to visit Greece.
More comparisons: Kalamata vs Athens · Kalamata vs Patras · Kalamata vs Zakynthos · Kefallinia vs Patras · Kefallinia vs Corfu · Kefallinia vs Preveza · all head-to-heads