December · Greece
Best time to visit Ios in December Weather, crowds & prices
Weather in Ios in December
Average temperature 17°C, 83 mm of rain, about 1 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
3.0/10
Ranked #11 of 12 months
- Avg temp
- 17°C
- Rainfall
- 83 mm
- Humidity
- 76%
- Days with 6h+ sun
- 1
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Ios scores 3.0/10 for beach and coastal travel - ranked #11 of 12. Expect around 17°C, 83 mm of rain, and roughly 1 days with 6+ hours of sunshine this month.
Ios mixes a hilltop Cycladic town, sandy Mylopotas beach and a famously busy summer nightlife scene.
December in Ios — the hardest end of the year
Temperatures hover around 17°C (62°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 83 mm of rain this month — a flexible day or two helps — with about 1 days with 6+ hours of sunshine and 9.5 hours of daylight to work around it.
That is 3/10 on the same scale — 11th of 12 months, versus 9.8/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, June is materially better in Ios — 6.8 points higher on the same scale.
Frequently asked
- What is the weather like in Ios in December?
- In December, Ios averages 17°C, 83 mm of rain, and about 1 days with 6+ hours of sunshine. Its climate-comfort score is 3.0/10.
- Is December a good time to visit Ios?
- December earns a 3.0/10 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 December?
- Expect about 83 mm of rain in December. Average humidity is 76% and there are about 1 days with 6+ hours of sunshine.
Curated in Ios
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