Kefallinia vs Preveza: which is sunnier?
🇬🇷 Greece vs 🇬🇷 Greece · 92 km apart · long-term climate normals (NASA POWER, 2001–2020)
Kefallinia and Preveza are virtually tied for annual sunshine — about 2,846 vs 2,849 hours a year. Kefallinia has the higher Sunshine Score in 3 of 12 months, Preveza in 2 (7 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Kefallinia | Preveza | |
|---|---|---|
| Sunshine hours / year | 2,846 | 2,849 |
| Sunniest month | July (94/100) | July (93/100) |
| Nov–Feb average score | 48/100 | 44/100 |
| Jun–Aug average score | 93/100 | 92/100 |
| Rain / year | 822 mm | 938 mm |
| Warmest sea | 27°C / 81°F | 28°C / 82°F |
| Peak midday UV | 9 (very high) | 9 (very high) |
Kefallinia vs Preveza month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Kefallinia | Preveza | Kefallinia | Preveza | Kefallinia | Preveza | Kefallinia | Preveza | |
| January | 37 | 31 | 14° | 13° | 116 | 122 | 17° | 16° |
| February | 40 | 39 | 14° | 14° | 88 | 100 | 16° | 16° |
| March | 48 | 54 | 15° | 16° | 70 | 84 | 17° | 16° |
| April | 74 | 79 | 18° | 19° | 40 | 50 | 17° | 18° |
| May | 91 | 89 | 21° | 23° | 24 | 38 | 19° | 20° |
| June | 93 | 91 | 26° | 28° | 17 | 24 | 24° | 25° |
| July | 94 | 93 | 28° | 31° | 11 | 14 | 26° | 27° |
| August | 93 | 92 | 29° | 31° | 15 | 23 | 27° | 28° |
| September | 83 | 80 | 26° | 27° | 71 | 85 | 26° | 26° |
| October | 77 | 76 | 23° | 23° | 100 | 109 | 24° | 24° |
| November | 67 | 65 | 19° | 19° | 125 | 136 | 22° | 21° |
| December | 46 | 40 | 16° | 15° | 145 | 153 | 18° | 18° |
The sunnier month by month: Jan Kefallinia · Feb even · Mar Preveza · Apr Preveza · May even · Jun even · Jul even · Aug even · Sep Kefallinia · Oct even · Nov even · Dec Kefallinia.
When to pick which
- November–February: Kefallinia (average score 48/100 vs 44). Daytime highs are similar (16°C vs 15°C). See the winter sun ranking.
- March–May: Preveza (average score 74/100 vs 71). Daytime highs are similar (18°C vs 19°C).
- June–August: too close to call — Kefallinia averages 93/100, Preveza 92/100. Preveza is the warmer, around 30°C daytime highs vs 28°C.
- September–October: too close to call — Kefallinia averages 80/100, Preveza 78/100. Daytime highs are similar (25°C vs 25°C).
Sea temperature
Preveza's sea gets warmer: 28°C / 82°F at its peak vs 27°C. Swimmable water (21°C+): Kefallinia about 6 months a year, Preveza about 6 months a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Kefallinia weather by month · Preveza weather by month · Best time to visit Greece.
More comparisons: Kefallinia vs Patras · Kefallinia vs Corfu · Kefallinia vs Kalamata · Preveza vs Patras · Preveza vs Corfu · all head-to-heads