Climate guide for Astypalaia, Greece

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Astypalaia

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About Astypalaia

Astypalaia is a beach destination in Greece. Build the trip around the activities that matter most for this beach destination. Use the monthly scores to weigh time by the water against heat, rainfall, humidity, daylight and sunny-day patterns.

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Best time to visit Astypalaia
Check seasonal weather trends and book accommodations in advance for Astypalaia.

Things to do in Astypalaia

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

When to visit Astypalaia: the short answer

The best time to visit Astypalaia is July, followed by August, September. Those months combine the most usable temperatures with the fewest lost days to rain: July averages 25°C with 1 mm of rain and about 31 sunny days. The months to avoid unless you have a specific reason are January, December. If budget matters more than perfect weather, March is the strongest of the low-rate months at 6.3/10.

Across the year Astypalaia swings from 14°C in February to 25°C in August, a 12-degree spread, while rainfall ranges from 1 mm in July to 97 mm in December. That is the whole planning problem in one sentence: Astypalaia is not equally good year-round, and the difference between the best and worst month here is 4.6 points on a 10-point scale.

Warmest month: August (25°C). Coolest: February (14°C). Driest: July (1 mm). Wettest: December (97 mm).

Astypalaia month by month

January in Astypalaia — workable with trade-offs

Trade-offs · 5.2/10

January averages 15°C (58°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 86 mm, so plan one flexible day in three; you still get about 27 sunny days and 10 hours of daylight.

It scores 5.2/10 here, 12th of 12 months, against 9.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

If your dates are flexible, July is materially better in Astypalaia — 4.6 points higher on the same scale.

February in Astypalaia — workable with trade-offs

Trade-offs · 6.1/10

February averages 14°C (56°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 42 mm of rain — occasional showers rather than washed-out days — alongside about 26 sunny days and 10.9 daylight hours.

It scores 6.1/10 here, 10th of 12 months, against 9.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

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

If your dates are flexible, July is materially better in Astypalaia — 3.7 points higher on the same scale.

March in Astypalaia — workable with trade-offs

Trade-offs · 6.3/10

March averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 34 mm of rain — occasional showers rather than washed-out days — alongside about 30 sunny days and 12 daylight hours.

It scores 6.3/10 here, 9th of 12 months, against 9.8/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

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

If your dates are flexible, July is materially better in Astypalaia — 3.5 points higher on the same scale.

April in Astypalaia — workable with trade-offs

Trade-offs · 6.8/10

April averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 15 mm of rain — occasional showers rather than washed-out days — alongside about 29 sunny days and 13.1 daylight hours.

It scores 6.8/10 here, 8th of 12 months, against 9.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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

If your dates are flexible, July is materially better in Astypalaia — 3 points higher on the same scale.

May in Astypalaia — reliably good (6th best month)

Good · 7.8/10

May averages 19°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 16 mm of rain — occasional showers rather than washed-out days — alongside about 30 sunny days and 14.1 daylight hours.

It scores 7.8/10 here, 6th of 12 months, against 9.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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

If your dates are flexible, July is materially better in Astypalaia — 2 points higher on the same scale.

June in Astypalaia — the year's strongest window

Best window · 9.5/10

June averages 22°C (72°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 30 sunny days and 14.6 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Astypalaia at 9.5/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection.

July in Astypalaia — the year's strongest window

Best window · 9.8/10

July averages 25°C (76°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 1 mm for the month, with about 31 sunny days and 14.4 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Astypalaia at 9.8/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, swimwear and real sun protection.

August in Astypalaia — the year's strongest window

Best window · 9.8/10

August averages 25°C (77°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 1 mm for the month, with about 31 sunny days and 13.5 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Astypalaia at 9.8/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, swimwear and real sun protection.

September in Astypalaia — the year's strongest window

Best window · 9.8/10

September averages 24°C (74°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 4 mm for the month, with about 30 sunny days and 12.4 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Astypalaia at 9.8/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection.

October in Astypalaia — the year's strongest window

Best window · 8.7/10

October averages 21°C (69°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 13 mm for the month, with about 30 sunny days and 11.2 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Astypalaia at 8.7/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection.

November in Astypalaia — reliably good (7th best month)

Good · 7.7/10

November averages 19°C (66°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 40 mm of rain — occasional showers rather than washed-out days — alongside about 29 sunny days and 10.2 daylight hours.

It scores 7.7/10 here, 7th of 12 months, against 9.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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

If your dates are flexible, July is materially better in Astypalaia — 2.1 points higher on the same scale.

December in Astypalaia — workable with trade-offs

Trade-offs · 5.5/10

December averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 97 mm, so plan one flexible day in three; you still get about 28 sunny days and 9.7 hours of daylight.

It scores 5.5/10 here, 11th of 12 months, against 9.8/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

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

Frequently asked

When is the best time to visit Astypalaia, Greece?
In Ideal Weather mode, the best months to visit Astypalaia are July, August, September, June. July is the single peak month with an Ideal Weather score of 9.8/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Astypalaia year-round?
Astypalaia has a climate profile suited to beach and coastal travel. Average monthly temperatures range from 14°C in February to 25°C in August, with Ideal Weather scores between 5.2 and 9.8 out of 10.
Which months should I avoid in Astypalaia?
The lowest Ideal Weather-scoring months in Astypalaia are January (5.2/10), December (5.5/10), February (6.1/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Astypalaia?
December is the wettest month in Astypalaia, averaging about 97 mm of rainfall. July is the driest, at roughly 1 mm.
Which is the sunniest month in Astypalaia?
July sees the most sun in Astypalaia, with about 31 sunny days on average - ideal for outdoor plans.
Is Astypalaia a good destination for beach and coastal travel?
Astypalaia is well suited to beach and coastal travel. Its highest Ideal Weather window (July, August, September, June) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Astypalaia calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Astypalaia: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for beach and coastal travel.

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