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Zakynthos, Greece · Temperate oceanic

Zakynthos in May: go or not?

Excellent time. Zakynthos in May scores 8.8/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 37.78°N · 20.90°E
⚡ This month's verdict
Go for it
Zakynthos · May
8.8
16–24°
Temperature
8%
Rain
9h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Ana-Maria D. via Unsplash
The month in detail

What to expect in May

Spring marks the start of the good season in Zakynthos. Temperatures rise (75°F) and tourists have not yet arrived en masse. Rain is virtually absent (8% of days) — ideal for planning without a backup. A good balance between weather and crowds, even if September (8.9/10) remains theoretically better.

May ranks 2 out of 12 months in Zakynthos. Compared to April: +9°F daytime, 12 pts fewer rainy days, +0.8h of sun per day.

This month's conditions

What it's like in May

UV index
7 · high
sunscreen and hat advised
Feels like
comfortable
15°
Sea
19°C
cool, invigorating
Daylight
14.0h of daylight
Air quality
fair
AQI 42
Compare

Is May the right month?

The best month in Zakynthos is September (8.9/10), 0.1 pt higher than May.

See September →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Zakynthos

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.

Country · Greece

🗣️LanguageGreek
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+2.32°F/decade
🔥Hottest monthJuly · 91°F
❄️Coolest monthJanuary · 57°F
🌧️Rainiest month ⓘDecember · 43%

🏖️ Beach trip

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Location

Where is Zakynthos ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Greece
Temperate oceanic climate with a 8.9 → 4.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
37.78°N · 20.90°E
Questions

Frequently asked questions

What is the best time to visit Zakynthos?
September is the best month with 84°F highs, 72°F lows, 7.4h of sunshine and 9.0% rainy days. The months of September & May offer comparable conditions.
How many hours of sunshine does Zakynthos get in September?
Zakynthos averages 7.4 sunshine hours per day in September. It is the sunniest month with a climate score of 8.5/10.
What is the rainiest month in Zakynthos?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Zakynthos in September?
In September, overnight lows reach 72°F, while afternoon highs average 84°F.
Is Zakynthos good in winter?
In winter (December-February), Zakynthos scores 4.1/10 on average — Difficult period — prefer the peak season.. The best month overall remains September with a score of 8.5/10.
When should you avoid Zakynthos?
January is the most difficult month to visit Zakynthos, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Zakynthos in May?
In May, the sea averages 66°F in Zakynthos: cool, invigorating. Swimming is possible but brisk; sensitive swimmers may prefer a wetsuit.
Do you need sun protection in Zakynthos in May?
The average UV index reaches 7 in May in Zakynthos (high), with about 14.0h of daylight. Sunscreen and hat advised.