Climate in Zakynthos — Annual Weather Overview
Zakynthos has a mediterranean climate — hot dry summers and mild wet winters. The hottest month is July (average high 34.3°C) and the coolest is January (14.2°C). The seasons are strongly defined — a 20.1°C swing between July highs and January lows. Annual rainfall totals around 758mm. November is the wettest month at 137.6mm, while July averages just 2.1mm. Average daily sunshine is 10.6 hours.
**Spring (March, April, May):** average highs 19.7°C, 138mm rain. **Summer (June, July, August):** average highs 32.4°C, 25mm rain. **Autumn (September, October, November):** average highs 24.0°C, 306mm rain. **Winter (December, January, February):** average highs 15.1°C, 287mm rain.
Zakynthos — Monthly Temperatures
Zakynthos — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Zakynthos stays reasonable all year.
Zakynthos weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 14.2°C | 9.8°C | 119.0mm | 8.1h | 12 | 9/10 |
| February | 14.8°C | 9.3°C | 38.0mm | 9.2h | 6 | 10/10 |
| March | 15.5°C | 9.9°C | 64.9mm | 9.7h | 10 | 10/10 |
| April | 18.9°C | 12.0°C | 39.9mm | 11.1h | 6 | 10/10 |
| May | 24.8°C | 16.1°C | 33.7mm | 12.1h | 6 | 10/10 |
| June | 29.6°C | 20.5°C | 16.8mm | 13.6h | 4 | 10/10 |
| July | 34.3°C | 24.1°C | 2.1mm | 13.8h | 0 | 10/10 |
| August | 33.3°C | 24.1°C | 6.5mm | 13.0h | 2 | 10/10 |
| September | 28.4°C | 21.3°C | 83.5mm | 11.1h | 5 | 10/10 |
| October | 23.7°C | 17.9°C | 85.2mm | 10.0h | 7 | 10/10 |
| November | 19.8°C | 14.8°C | 137.6mm | 7.7h | 12 | 9/10 |
| December | 16.4°C | 11.8°C | 130.4mm | 7.4h | 13 | 9/10 |
For the full verdict on when to go, see the best time to visit Zakynthos. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Zakynthos have?
Zakynthos has a mediterranean climate — hot dry summers and mild wet winters. Average highs range from 14.2°C in January to 34.3°C in July.
What is the hottest month in Zakynthos?
July is the hottest month in Zakynthos, with average highs of 34.3°C and lows of 24.1°C.
What is the coldest month in Zakynthos?
January is the coolest month, with average highs of 14.2°C and lows of 9.3°C.
What is the wettest month in Zakynthos?
November is the wettest month, averaging 137.6mm of rainfall over around 12 rainy days.
How much rain does Zakynthos get per year?
Zakynthos receives around 758mm of rain per year. The driest month is July (2.1mm).
When is the best time to visit Zakynthos?
The best time to visit Zakynthos is All year. See the full month-by-month guide →
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.