October · Greece
Best time to visit Ios in October Weather, crowds & prices
Weather in Ios in October
Average temperature 22°C, 9 mm of rain, about 15 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
October score
8.3/10
Ranked #5 of 12 months
- Avg temp
- 22°C
- Rainfall
- 9 mm
- Humidity
- 74%
- Days with 6h+ sun
- 15
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
October in Ios scores 8.3/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 22°C, 9 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Ios mixes a hilltop Cycladic town, sandy Mylopotas beach and a famously busy summer nightlife scene.
October in Ios — reliably good (5th best month)
October averages 22°C (71°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 9 mm for the month, with about 15 days with 6+ hours of sunshine and 11 hours of daylight to work with.
It scores 8.3/10 here, 5th of 12 months, against 9.8/10 in the destination's best month.
Pack light clothing, swimwear and real sun protection.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? June scores 1.5 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Ios in October?
- In October, Ios averages 22°C, 9 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
- Is October a good time to visit Ios?
- October earns a 8.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ios in October?
- Expect about 9 mm of rain in October. Average humidity is 74% and there are about 15 days with 6+ hours of sunshine.
Curated in Ios
Tickets & experiences
Things to do in Ios
Ios, Greece. Live activities and tours from GetYourGuide, matched to this destination.