What May feels like in Thessaloniki
In Thessaloniki, May brings late spring. Afternoons are warm and pleasant, good for long days out. Once the sun goes down the air changes: nights stay mild. Some humidity hangs in the air, noticeable when the sun is strong.
Rain in Thessaloniki in May
It is a changeable month: rain comes about one day in 3, with dry spells in between. A rainy day brings about 7.2 mm (0.3 in) on average — steady rain rather than a passing shower. That is close to Thessaloniki's typical rain per wet day for the whole year (about 7.6 mm).
Daylight and sunshine in May
In mid-May, sunrise is at about 6:12 am and sunset at about 8:37 pm (local time) — 14 h 25 min of daylight. The days are stretching out — 1 h 10 min more daylight than mid-April. Measured sunshine covers about 84% of the daylight — skies are mostly clear.
How May compares to the rest of the year
May is the 5th warmest month of the year in Thessaloniki. Against April, the average high is 5°C (9°F) higher, with 10 mm more rain. June continues the upward trend. By June, typical highs are 29.2°C (84.6°F).
Who May suits
- Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
- Parks & outdoor: a good fit — comfortable for long walks and picnics.
- Beach: less ideal — too many rainy days.
Tips for visiting Thessaloniki in May
Versatile Layers
Mornings and evenings are cooler than midday, so dress in layers.
Rain Protection
Keep a small umbrella in your bag and wear shoes that cope with puddles.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is Thessaloniki in May?
Afternoons average 24.1°C (75.4°F) and nights about 14.9°C (58.8°F) — warm by most people's standards. It is the 5th warmest month of the year.
Does it rain a lot in Thessaloniki in May?
It does: about 9 rainy days bring roughly 65 mm, so plan some indoor options.
What should I wear in Thessaloniki in May?
The numbers point to versatile layers, rain protection and sunglasses. Bring something extra for the cooler evenings.
Is May or June better for visiting Thessaloniki?
May scores better on our climate ranking (#4 of 12 vs #6), rated Great against Good. June is warmer and has fewer rainy days.