Kos weather in June
June in Kos: warm, dry, with very humid — an excellent time to visit.
#3 of 12 months in Kos · #330 of 897 destinations to visit in June · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Kos in June
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Kos climate normals — June
| Daytime high | 24°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Rainfall | 9 mm / 0.3 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 19°C / 67°F | |
| Sunshine | 13.5 h/day | |
| Daylight | 14.7 h | |
| Wind | 30 km/h / 19 mph | |
| Air quality (US AQI) | 65 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kos in June — FAQ
- Is June a good time to visit Kos?
- June in Kos: warm, dry, with very humid — an excellent time to visit. It ranks #3 of 12 months for Kos on SeasonMap's comfort score (87/100).
- What is the weather like in Kos in June?
- In June, Kos averages a daily high of 24.3°C and a low of 22°C, with about 8.5 mm of rain over roughly 1.8 rainy days.
- What is the air quality in Kos in June?
- Kos has a mean US Air Quality Index of about 65 in June.