August · Greece
Best time to visit Koufonisia in August Weather, crowds & prices
Weather in Koufonisia in August
Average temperature 26°C, 6 mm of rain, about 31 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
9.8/10
Ranked #3 of 12 months
- Avg temp
- 26°C
- Rainfall
- 6 mm
- Humidity
- 76%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Koufonisia scores 9.8/10 for beach and coastal travel - one of the top 12-month picks (#3). Expect around 26°C, 6 mm of rain, and roughly 31 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.
August is one of the strongest months in Koufonisia (3rd)
August averages 26°C (79°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 6 mm for the month, with about 31 days with 6+ hours of sunshine and 13.4 hours of daylight to work with.
A 9.8/10 puts this among the year's best months in Koufonisia (3rd of 12); only June scores higher, at 9.8/10.
Pack light clothing, swimwear and real sun protection.
Plan for peak pricing, with 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 Koufonisia in August?
- In August, Koufonisia averages 26°C, 6 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.8/10.
- Is August a good time to visit Koufonisia?
- August 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 August?
- Expect about 6 mm of rain in August. Average humidity is 76% and there are about 31 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.