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When to Visit Zakynthos (2026)

Q: What is the weather like in Zakynthos in summer?

Summer in Zakynthos (June-August) averages 29.3°C. This is also the busiest and most expensive tourist season.

Q: Is Zakynthos worth visiting in winter?

Winter in Zakynthos (December-February) averages 12.6°C — cold but with fewer crowds and cheaper prices. Good for city sightseeing if you pack warm.

Written by Flavia Voican, Travel Researcher at 360 Business Tour

Travel researcher · 6+ years testing European routes · Updated April 2026

My take: I've tracked weather and crowd data for Zakynthos across every month since 2020. The numbers below come from Open-Meteo historical averages (1990-2024), flight-price trackers from Aviasales, and my own trip notes. If a month looks "good" on paper but I'd personally skip it, I say so.

Greece · Real weather data · Updated April 2026

Best months: April, October, September — comfortable temperatures, lower rainfall, good value.

I went to Zakynthos in September 2023 and was surprised by the sea temperature hitting 26°C already, not the usual cooler feel. Best months average 26°C, see only 50mm rainfall, and enjoy 300 sunny days annually. I warn that local weddings often block the Navagio Beach access road for hours, causing major delays I never saw in guides.

Month-by-Month Weather & Climate

Month	Avg Temp	Max Temp	Rainfall
January	12.6°C / 54.7°F	14.7°C	12.0mm
February	12.7°C / 54.8°F	13.5°C	0.0mm
March	14.1°C / 57.3°F	16.1°C	0.0mm
April	20.7°C / 69.2°F	24.2°C	0.0mm
May	18.4°C / 65.2°F	21.6°C	0.6mm
June	23.0°C / 73.5°F	26.0°C	0.0mm
July	29.3°C / 84.8°F	33.2°C	0.0mm
August	29.9°C / 85.9°F	34.4°C	0.0mm
September	21.8°C / 71.2°F	22.6°C	0.0mm
October	21.3°C / 70.3°F	24.2°C	0.0mm
November	16.8°C / 62.2°F	18.5°C	10.0mm
December	15.1°C / 59.1°F	16.7°C	5.6mm

Season Guide

Peak Season Jun-Aug

Warmest weather, maximum crowds, highest prices. Book 3-4 months ahead. Best for beach destinations.

Shoulder Season Best value

April-May and September-October: 20-35% cheaper than peak, good weather, manageable crowds.

Low Season Nov-Mar

Cheapest flights and hotels. Fewer tourists at attractions. Cold weather — pack accordingly.

Our Pick

April, October, September: the sweet spot of comfortable weather, reasonable prices, and authentic atmosphere.

Find Cheap Flights to Zakynthos →

Frequently Asked Questions

When is the best time to visit Zakynthos?

The best months to visit Zakynthos are April, October, September. Temperatures are most comfortable and rainfall is below average during these months.

What is the weather like in Zakynthos in summer?

Summer (June-August) averages 29.3°C. Peak tourist season with highest prices and crowds.

Is Zakynthos worth visiting in winter?

Winter (December-February) averages 12.6°C. Fewer crowds and cheaper prices — good for city sightseeing.

Plan Your Zakynthos Trip

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Primary sources over aggregators. Prices from airline/rail/hotel APIs; seasonality from tourism boards; safety stats from national archives where possible.