October · Greece
Best time to visit Kos in October Weather, crowds & prices
Weather in Kos in October
Average temperature 21°C, 27 mm of rain, about 30 days with 6+ hours of sunshine and 65% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
October score
9.1/10
Ranked #5 of 12 months
- Avg temp
- 21°C
- Rainfall
- 27 mm
- Humidity
- 65%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
October in Kos scores 9.1/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 21°C, 27 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Kos pairs the Asklepion and a plane tree linked to Hippocrates with sandy beaches and flat cycling routes.
October is one of the strongest months in Kos (5th)
October averages 21°C (70°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 27 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 11.2 daylight hours.
A 9.1/10 puts this among the year's best months in Kos (5th of 12); only June scores higher, at 10/10.
Pack light clothing, swimwear and real sun protection.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Kos in October?
- In October, Kos averages 21°C, 27 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
- Is October a good time to visit Kos?
- October earns a 9.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kos in October?
- Expect about 27 mm of rain in October. Average humidity is 65% and there are about 30 days with 6+ hours of sunshine.
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