June · Greece
Best time to visit Koufonisia in June Weather, crowds & prices
Weather in Koufonisia in June
Average temperature 23°C, 9 mm of rain, about 30 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
June score
9.8/10
Ranked #1 of 12 months
- Avg temp
- 23°C
- Rainfall
- 9 mm
- Humidity
- 77%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
June in Koufonisia scores 9.8/10 for beach and coastal travel - the single best month of the year. Expect around 23°C, 9 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Koufonisia pairs Pano and Kato Koufonisi, with sandy beaches, sea caves and a tiny Cycladic harbour village.
June in Koufonisia tops the year's climate scores
With 23°C (74°F) on average, June delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
At just 9 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 14.5 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Koufonisia at 9.8/10 — the reference point every other month on this page is measured against.
Pack light clothing, swimwear and real sun protection.
Budget for peak pricing, and crowds are moderate. 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 Koufonisia in June?
- In June, Koufonisia averages 23°C, 9 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 9.8/10.
- Is June a good time to visit Koufonisia?
- June earns a 9.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Koufonisia in June?
- Expect about 9 mm of rain in June. Average humidity is 77% and there are about 30 days with 6+ hours of sunshine.
Curated in Koufonisia
Tickets & experiences
Things to do in Koufonisia
Koufonisia, Greece. Live activities and tours from GetYourGuide, matched to this destination.