Kefalonia · SummerMonth summary
Kefalonia weather in August
✅ Good
🌡️ Temperature min / max
75°F – 86°F
🌧 Rainy days
8% of days
☀️ Sunshine
12.6h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
8.9/10
📅 📅 Best month
June (9.4/10)
Quick decision
Should you visit Kefalonia in August?
✅ Good
✅ Yes if: you're looking for maximum sunshine — 12.6h per day on average.
❌ No if: you struggle with heat — temperatures regularly exceed 30°F.
Our take: August is a good time to visit Kefalonia. June remains slightly better (+0.5 pts).
By trip type
Kefalonia in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
In the height of summer, Kefalonia sees high temperatures (30°F). Heat is a factor for outdoor activities. Rain is virtually absent (8% of days) — ideal for planning without a backup. A good balance between weather and crowds, even if June (9.4/10) remains theoretically better.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 48°F | 57°F | 48% | 0.2in | 8.3h | 4.6/10 |
| ⛅ February | 48°F | 59°F | 33% | 0.1in | 9.5h | 6.9/10 |
| ⛅ March | 50°F | 61°F | 37% | 0.1in | 10.3h | 7.0/10 |
| 🌤️ April | 55°F | 64°F | 22% | 0.1in | 11.8h | 7.4/10 |
| 🌤️ May | 61°F | 72°F | 22% | 0.1in | 13.0h | 8.3/10 |
| ☀️ June | 70°F | 81°F | 11% | 0.0in | 13.2h | 9.4/10 |
| ☀️ July | 73°F | 86°F | 3% | 0.0in | 13.4h | 9.2/10 |
| ☀️ August | 75°F | 86°F | 8% | 0.0in | 12.6h | 8.9/10 |
| ☀️ September | 70°F | 81°F | 21% | 0.1in | 11.0h | 8.6/10 |
| 🌤️ October | 63°F | 73°F | 29% | 0.1in | 9.8h | 7.7/10 |
| 🌦️ November | 57°F | 66°F | 47% | 0.3in | 8.8h | 7.0/10 |
| 🌦️ December | 52°F | 61°F | 43% | 0.2in | 8.3h | 5.8/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Kefalonia averages 86°F, 8% rainy days and 12.6h of sunshine per day. Overall weather score: 8.9/10.
See methodology →
Comparison
August vs June (best month)
The best month is June (score 9.4/10). Difference:
- 🌡️ Max temperature : -3°F
- 🌧 Rainy days : +3%
- ☀️ Sunshine : +0.6h/day
FAQ
FAQ — Kefalonia in August
Is August a good time to visit Kefalonia?
August is an excellent time to visit Kefalonia (score 8.9/10). With 86°F, 12.6h of sunshine and 8% rain, conditions are very favourable.
Is it too hot in Kefalonia in August?
Temperatures reach 86°F. It's intense but manageable with sunscreen and water. Sunshine: 12.6h/day.
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Activities & tours
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