Kos weather in October
October in Kos: nice, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Kos · #360 of 897 destinations to visit in October · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Kos in October
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Kos climate normals — October
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 21°C / 69°F | |
| Rainfall | 31 mm / 1.2 in | 🌦 some rain |
| Rainy days | 3 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 17°C / 62°F | |
| Sunshine | 9.8 h/day | |
| Daylight | 11.2 h | |
| Wind | 27 km/h / 17 mph | |
| Air quality (US AQI) | 48 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kos in October — FAQ
- Is October a good time to visit Kos?
- October in Kos: nice, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Kos on SeasonMap's comfort score (82/100).
- What is the weather like in Kos in October?
- In October, Kos averages a daily high of 23°C and a low of 20.6°C, with about 30.5 mm of rain over roughly 3.4 rainy days.
- What is the air quality in Kos in October?
- Kos has a mean US Air Quality Index of about 48 in October.