The month in detail
What to expect in June
Summer in Kos brings pleasant temperatures (27°C) and long sunny days (10.0h of sunshine). Rain is virtually absent (4% of days) — ideal for planning without a backup.
June is the best month of the year in Kos. Compared to May: +5°C daytime, +0.8h of sun per day.
This month's conditions
What it's like in June
UV index
8 · very high
protection essential
Feels like
muggy at times
18°
Sea
22°C
cool, invigorating
Daylight
14.5h of daylight
Air quality
fair
AQI 45
Compare
Is June the right month?
June is actually the best month of the year in Kos. Good timing.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Kos
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Kos
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.
Country · Greece
🗣️LanguageGreek
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJuly · 30°C
❄️Coolest monthJanuary · 15°C
🌧️Rainiest month ⓘJanuary · 29%
🏖️ Beach holiday
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Explore
Other destinations in June
If June doesn't convince you for this destination, compare with others.
Location
Where is Kos ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
GreeceTemperate oceanic climate with a 9.4 → 4.4 gap between best and worst month. 10 years of ERA5 data to choose by project.
36.89°N · 27.09°E
Questions
Frequently asked questions
What is the best time to visit Kos?
June is the best month with 27.0°C highs, 22.0°C lows, 10.0h of sunshine and 4.0% rainy days. The months of June & September offer comparable conditions.
How many hours of sunshine does Kos get in June?
Kos averages 10.0 sunshine hours per day in June. It is the sunniest month with a climate score of 9.2/10.
What is the rainiest month in Kos?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Kos in June?
In June, overnight lows reach 22.0°C, while afternoon highs average 27.0°C.
Is Kos good in winter?
In winter (December-February), Kos scores 5.2/10 on average — Difficult period — prefer the peak season.. The best month overall remains June with a score of 9.2/10.
When should you avoid Kos?
January is the most difficult month to visit Kos, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Kos in June?
In June, the sea averages 22°C in Kos: cool, invigorating. Swimming is possible but brisk; sensitive swimmers may prefer a wetsuit.
Do you need sun protection in Kos in June?
The average UV index reaches 8 in June in Kos (very high), with about 14.5h of daylight. Protection essential.