July · Greece
Best time to visit Kefalonia in July Weather, crowds & prices
Weather in Kefalonia in July
Average temperature 28°C, 4 mm of rain, about 31 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
9.9/10
Ranked #3 of 12 months
- Avg temp
- 28°C
- Rainfall
- 4 mm
- Humidity
- 69%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
July in Kefalonia scores 9.9/10 for beach and coastal travel - one of the top 12-month picks (#3). Expect around 28°C, 4 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Lush Ionian island known for dramatic Myrtos beach cliffs, subterranean Melissani lake, and colorful villages.
July is one of the strongest months in Kefalonia (3rd)
Days in July average 28°C (82°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
At just 4 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 14.4 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Kefalonia at 9.9/10 (3rd of 12), just behind August at 10/10.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Kefalonia in July?
- In July, Kefalonia averages 28°C, 4 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.9/10.
- Is July a good time to visit Kefalonia?
- July earns a 9.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kefalonia in July?
- Expect about 4 mm of rain in July. Average humidity is 69% and there are about 31 days with 6+ hours of sunshine.
Curated in Kefalonia
Tickets & experiences
Things to do in Kefalonia
Kefalonia, Greece. Live activities and tours from GetYourGuide, matched to this destination.