Monthly climate guide
Zakynthos weather in May
Expect warm weather in Zakynthos in May: afternoons reach about 21°C (70°F), while nights drop to around 18°C (64°F). Around 24 mm of rain falls over the month (fairly dry), and skies are a mix of sun and cloud. Daytime highs are 3°C warmer than April and 4°C cooler than June.
What stands out in May
- Just 140 km apart, but Zakynthos runs about 2°C cooler than Kalamata this month.
- There's little difference between day and night (around 3°C).
- Comfortable temperatures make it easy to walk between Laganas Bay and Navagio (Shipwreck Beach).
- Rain is well below Zakynthos's usual level (around 64% less).
Avg high
21°C
70°F
Avg low
18°C
64°F
Rainfall
24 mm
fairly dry
Humidity
76%
relative
Sky
42%
cloud · a mix of sun and cloud
Zakynthos weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 14°C / 57°F | 11°C / 53°F | 111 mm | 74% | 69% |
| February | 14°C / 57°F | 12°C / 53°F | 93 mm | 75% | 64% |
| March | 15°C / 60°F | 13°C / 55°F | 74 mm | 77% | 57% |
| April | 18°C / 64°F | 15°C / 58°F | 33 mm | 76% | 48% |
| May | 21°C / 70°F | 18°C / 64°F | 24 mm | 76% | 42% |
| June | 25°C / 78°F | 22°C / 71°F | 23 mm | 73% | 22% |
| July | 28°C / 83°F | 25°C / 76°F | 10 mm | 70% | 9% |
| August | 29°C / 85°F | 26°C / 78°F | 14 mm | 67% | 11% |
| September | 27°C / 80°F | 24°C / 75°F | 72 mm | 68% | 30% |
| October | 23°C / 73°F | 20°C / 68°F | 101 mm | 72% | 47% |
| November | 19°C / 67°F | 17°C / 63°F | 115 mm | 72% | 61% |
| December | 16°C / 60°F | 13°C / 56°F | 134 mm | 72% | 66% |
What to pack for May
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
Is May a good time to visit Zakynthos?
Our Zakynthos guide recommends: June and September for warm sea and calmer resorts; July and August are hottest.
Check that Navagio is open before booking; access has been restricted at times because of rockfalls.
Best time to visit Zakynthos →Other Greece cities in May
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Zakynthos weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/greece/zakynthos/may
<a href="https://weathercompare.eu/weather/greece/zakynthos/may">Zakynthos weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/greece/zakynthos" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Zakynthos weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/greece/zakynthos/may">Zakynthos weather in May</a> – WeatherCompare</p>
Zakynthos in May: quick answers
Is May a good time to visit Zakynthos?
Yes. May is one of the best months for Zakynthos, with highs around 21°C and about 24 mm of rain.
How warm is Zakynthos in May?
Average highs are about 21°C (70°F) and average lows about 18°C (64°F), based on 10 years of daily data.
Does it rain a lot in Zakynthos in May?
Zakynthos typically gets around 24 mm of rain in May — fairly dry.
When is the best time to visit Zakynthos?
June and September for warm sea and calmer resorts; July and August are hottest.
Figures are long-term averages for the area around Zakynthos (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.