May · Greece
Best time to visit Zakynthos in May Weather, crowds & prices
Weather in Zakynthos in May
Average temperature 20°C, 44 mm of rain, about 28 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.4/10
Ranked #6 of 12 months
- Avg temp
- 20°C
- Rainfall
- 44 mm
- Humidity
- 70%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Zakynthos scores 8.4/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 20°C, 44 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Zakynthos pairs the Shipwreck cove and blue caves with turtle-nesting beaches and green Ionian hills.
May in Zakynthos — reliably good (6th best month)
With 20°C (68°F) on average, May delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
With around 44 mm of rain, any showers tend to pass through rather than settle in; about 28 days with 6+ hours of sunshine and 14.2 hours of daylight fill the rest.
That is 8.4/10 on the same scale — 6th of 12 months, versus 10/10 for the best month here.
Pack light clothing, swimwear and real sun protection.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, June is materially better in Zakynthos — 1.6 points higher on the same scale.
Frequently asked
- What is the weather like in Zakynthos in May?
- In May, Zakynthos averages 20°C, 44 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 8.4/10.
- Is May a good time to visit Zakynthos?
- May earns a 8.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Zakynthos in May?
- Expect about 44 mm of rain in May. Average humidity is 70% and there are about 28 days with 6+ hours of sunshine.
Curated in Zakynthos
Tickets & experiences
Things to do in Zakynthos
Zakynthos, Greece. Live activities and tours from GetYourGuide, matched to this destination.