Climate guide for Ios, Greece

Ios in April

Weather, crowds & best time to visit

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April · Greece

Best time to visit Ios in April Weather, crowds & prices

Weather in Ios in April

Average temperature 17°C, 20 mm of rain, about 27 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

April score

7.2/10

Ranked #7 of 12 months

Full year for Ios
Avg temp
17°C
Rainfall
20 mm
Humidity
77%
Days with 6h+ sun
27
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

April in Ios scores 7.2/10 for beach and coastal travel - ranked #7 of 12. Expect around 17°C, 20 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.

Ios mixes a hilltop Cycladic town, sandy Mylopotas beach and a famously busy summer nightlife scene.

April in Ios — reliably good (7th best month)

April averages 17°C (63°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 20 mm of rain — occasional showers rather than washed-out days — alongside about 27 days with 6+ hours of sunshine and 12.9 daylight hours.

It scores 7.2/10 here, 7th of 12 months, against 9.8/10 in the destination's best month.

Pack layers you can shed by midday plus one warm layer for the evening.

Plan for mid-season pricing, with crowds are moderate.

Flexible dates? June scores 2.6 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Ios in April?
In April, Ios averages 17°C, 20 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 7.2/10.
Is April a good time to visit Ios?
April earns a 7.2/10 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 April?
Expect about 20 mm of rain in April. Average humidity is 77% and there are about 27 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.