Climate guide for Ios, Greece

Ios in March

Weather, crowds & best time to visit

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March · Greece

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

Weather in Ios in March

Average temperature 15°C, 43 mm of rain, about 18 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

March score

5.5/10

Ranked #8 of 12 months

Full year for Ios
Avg temp
15°C
Rainfall
43 mm
Humidity
75%
Days with 6h+ sun
18
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

March in Ios scores 5.5/10 for beach and coastal travel - ranked #8 of 12. Expect around 15°C, 43 mm of rain, and roughly 18 days with 6+ hours of sunshine this month.

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

March in Ios — workable with trade-offs

Temperatures hover around 15°C (58°F) — the kind of month where neither heat nor cold forces the schedule.

With around 43 mm of rain, any showers tend to pass through rather than settle in; about 18 days with 6+ hours of sunshine and 11.7 hours of daylight fill the rest.

That is 5.5/10 on the same scale — 8th 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.

Expect mid-season pricing, and crowds are moderate.

If your dates are flexible, June is materially better in Ios — 4.3 points higher on the same scale.

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 March?
In March, Ios averages 15°C, 43 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 5.5/10.
Is March a good time to visit Ios?
March earns a 5.5/10 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 March?
Expect about 43 mm of rain in March. Average humidity is 75% and there are about 18 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.