Cool
Average highs are around 16°C, so pack for cooler days.
March verdict
Poor for holiday weather
Average highs are around 16°C, so pack for cooler days. Sunshine averages 6.3h per day, enough for a balanced month. Rainfall averages 86mm, so some wet days are possible.

Monthly averages
Temp
16°C
Rain
86mm
Sun
6.3h
Sea
15°C
Weather score
34
Poor
Cool
Average highs are around 16°C, so pack for cooler days.
Showers
Rainfall averages 86mm, so some wet days are possible.
Some sun
Sunshine averages 6.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Compare Zakynthos, Greece with nearby places by weather score, rain, sun, temperature, and swim conditions.
March16°C average high
March has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
March86mm average rain
March sits near Zakynthos' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
March6.3 hours average sun
March is below Zakynthos' yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
March15°C average sea
March is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
March34 weather score
March scores below Zakynthos' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.