Climate guide for Alonnisos, Greece

Alonnisos in June

Weather, crowds & best time to visit

How to read the score (0–10)
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June · Greece

Best time to visit Alonnisos in June Weather, crowds & prices

Weather in Alonnisos in June

Average temperature 24°C, 20 mm of rain, about 30 days with 6+ hours of sunshine and 66% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

June score

10.0/10

Ranked #1 of 12 months

Full year for Alonnisos
Avg temp
24°C
Rainfall
20 mm
Humidity
66%
Days with 6h+ sun
30
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

June in Alonnisos scores 10.0/10 for beach and coastal travel - the single best month of the year. Expect around 24°C, 20 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.

Alonnisos is a Sporades island with a hilltop old village, pine-covered coast and a marine park for monk seals.

June in Alonnisos — the year's strongest window

With 24°C (74°F) on average, June delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.

With around 20 mm of rain, any showers tend to pass through rather than settle in; about 30 days with 6+ hours of sunshine and 14.9 hours of daylight fill the rest.

On our climate-comfort scale this is the top-ranked month of the year for Alonnisos at 10/10 — the reference point every other month on this page is measured against.

Pack light clothing, swimwear and real sun protection.

Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

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 Alonnisos in June?
In June, Alonnisos averages 24°C, 20 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 10.0/10.
Is June a good time to visit Alonnisos?
June earns a 10.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Alonnisos in June?
Expect about 20 mm of rain in June. Average humidity is 66% and there are about 30 days with 6+ hours of sunshine.

Curated in Alonnisos

Tickets & experiences

Things to do in Alonnisos

Alonnisos, Greece. Live activities and tours from GetYourGuide, matched to this destination.