Weather in Skiathos in May 2025
Average weather
Average temperature in Skiathos in May
Going from a maximum of +22°C during the day to a minimum of +14°C during the night, the temperature in May averages around +19°C.
The average maximum temperature goes up 50% by the end of the month, compared with the beginning of the month, from +17°C to +21°C.
Is Skiathos warm or cold in May?
Skiathos is typically mild in May.
Maximum temperatures go up compared to the previous month from +16°C to +20°C. The minimum temperature also goes up from +13°C to +17°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Skiathos:
Water temperature in Skiathos in May
Water in Skiathos in May is Fresh. It varies from +15°C to +21°C, with an average of +18°C. This is almost similar to the air temperature, which averages +20°C.
In May, water temperatures are average relative to the rest of the year:
Can you swim in Skiathos in May?
Climate in Skiathos in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +16°C | +20°C | +25°C | ||||
| Min. temperature | ||||||
| +6°C | +11°C | +15°C | ||||
| Max. temperature | ||||||
| +25°C | +29°C | +36°C | ||||
| Rainfall | ||||||
| 41 mm | 35 mm | 20 mm | ||||
| Wind | ||||||
| 2 m/s | 1 m/s | 1 m/s | ||||
| Avg. water temperature | ||||||
| +14°C | +18°C | +23°C | ||||
| Humidity | ||||||
| 72% | 70% | 66% | ||||
| Air pressure | ||||||
| 1013 HPa | 1013 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 10 | 13 | 19 | ||||
| Cloudy days | ||||||
| 10 | 10 | 5 | ||||
| Rainy days | ||||||
| 11 | 8 | 5 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +16°C to +20°C during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 41 mm to 35 mm. It feels drier, as humidity decreases from 72% to 70%. Winds are calmer in comparison to April, going down from 2 m/s to 1 m/s on average. The good news is there are likely to be more sunny days in May, from 10 to 13.
But maybe it is worth considering traveling in June as the weather gets better.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Skiathos is gradually decreasing during May, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last May in Skiathos?
Climate Change over Years
The climate in Skiathos in May has not changed much over the last 43 years.
The average temperature was the lowest in 1991 (+18°C) and the highest in 2020 (+21°C). The driest year was 1992 with only 345 mm of rainfall, and the wettest year was 1994 with 974 mm.
FAQ
Is May a good time to visit Skiathos?
Can you sunbathe in Skiathos in May?
Can you swim in Skiathos in May?
Is Skiathos rainy in May?
Is it sunny in Skiathos in May?
Other cities in Greece
Monthly weather in Skiathos
Source of the data
For this page, we’ve looked at the typical weather in Skiathos, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.