Weather in Skiathos in March

How March compares

March is the 9th warmest month of the year in Skiathos and ranks 118th of 134 destinations we compare for March - see where else is hot in March. Within Greece it is 38th of 44 (Greece in March). Against London's average high of 10.5°C in March, Skiathos is 2.8°C warmer by day and 7.7°C warmer at night.

Daytime and night-time in March

The typical March day in Skiathos peaks at 13.3°C, but that is an average: the warmest 10% of days reach 15.9°C or more. Days over 25°C are rare. Nights average 11.0°C; one night in ten drops to 7.9°C or lower, so pack a layer for evenings - it is genuinely cool after dark. Between 1991 and 2020 the hottest March day here reached 21.7°C (2001-03-26) and the coldest night 3.2°C (2006-03-08).

Rain in March

Wet (more than 8 rainy days): about 8 days with 1 mm or more, 71 mm in total. Year to year it varies a lot - the wettest March was 1998 with 191 mm, the driest 2013 with 18 mm. Humidity averages 72%.

Sea temperature in March

The sea averages 13.7°C - too cold for most (under 18°c). Depending on the year it ranges from 13.1°C to 14.2°C. For the warmest sea here, come in August (26.3°C).

Sunshine and daylight

Around 6.1 hours of sunshine a day (estimated from cloud cover), 11.7 hours of daylight: the sun rises about 06:37 and sets about 18:33 local time in mid-March. Average cloud cover is 48%.

Is March a good time to visit Skiathos?

March is not the strongest month here: cool days and frequent rain. The best months for Skiathos on our scoring are July, August, June; months averaging 25°C or more: Jul, Aug.

A little warmer than London, but still jacket weather

Skiathos averages 13.3°C by day in March, compared with 10.5°C in London. That 2.8°C difference is useful, but not enough to build a holiday around sitting outside in light clothing. Pack comfortable layers and a jacket you will be happy wearing into the evening. Average night lows of 11°C can also hide colder spells: the coldest nights reach around 8°C or below. Warmer days can reach around 16°C or more, so lighter clothing may get some use, but it should not dominate your suitcase. This is a better fit for travellers who prefer being active in cool conditions than for anyone seeking heat.

Plan for sunshine with wet interruptions

March brings about 8 rainy days, so rain is a practical part of the decision rather than something to dismiss. A waterproof outer layer makes more sense than relying on a warm jumper alone, and outdoor plans are best kept movable. There is still useful time outside: average sunshine is about 6.1 hours within 11.7 hours of daylight. That gives scope for walks and time outdoors, but it does not promise a clear day from morning to evening. Put weather-dependent plans into the brighter spells and leave room to change course when rain arrives. March suits flexibility better than a tightly planned outdoor itinerary.

Treat the sea as scenery, not the main activity

At 13.7°C, the sea is cold, and its March range of 13°C to 14°C offers little reason to expect comfortable swimming. If getting into the water is central to your holiday, this is the clearest argument against going now. Time beside the sea is a more realistic plan than a swimming-led break, with layers still useful when you stop moving. The wider temperature picture points the same way: days reaching 25°C are not a feature of March in the figures. Choose this month for a cool island stay with some sunshine, not for a taste of summer that the averages cannot support.