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Thessaloníki Weather in May
May in Thessaloníki brings high temperatures, with daytime highs of 25°C (77°F) and nights around 16°C (61°F). The excellent weather makes it a solid choice for a visit.
Rainfall in Thessaloníki in May
Looking at the last 30 years, the data shows about 9 days with rain, averaging 60 mm (2.4 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Thessaloníki in May
Thessaloníki has excellent weather in May, with days reaching 25°C (77°F) and nights cooling to 16°C (61°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 16°C (61°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Thessaloníki in May
Enjoy a sunny month with about 260 hours of sunshine, the clear skies make Thessaloníki even more beautiful.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, September and October typically offer the best weather for Thessaloníki.
Thessaloníki Temperature in May
Min Temperature
16°C (61°F)
Max Temperature
25°C (77°F)
Chance of Rain
30%
Precipitation
60 mm (2.4 in)
Rainy days
9 days
Humidity
62%
Sunshine
260 hours
Percentage Sunshine
Thessaloníki Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Thessaloníki - and find the best time to visit.
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Thessaloníki typically rise from around 23°C (73°F) at the start of May to approximately 26°C (79°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 16°C (61°F).
Average temperatures in May
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Thessaloníki in May
Browse day-by-day weather records for Thessaloníki spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Thessaloníki historical weather extremes in May
According to our 20 years of weather records for Thessaloníki, the following extremes were recorded between 2006 and 2026.
- Thessaloníki recorded its highest May temperature of 34°C (93°F) on May 28, 2008.
- The lowest daytime temperature in May was 14°C (57°F), recorded on May 1, 2026.
- Thessaloníki registered its coldest May night on May 4, 2026, with temperatures dropping to 6°C (43°F).
Best Places in Greece in May
Find out more about the weather in Greece and which places have the best travel conditions in this month. See all of Greece in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Thessaloníki in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Thessaloníki in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping8/10 -
Outdoor sports10/10
Thessaloníki 3-Day Forecast
More climate data for Thessaloníki
Temperature Rainfall Sunshine Humidity
See the full Thessaloníki climate overview or explore weather in Greece.
Popular in May
Where to go in May - average daytime high across popular destinations.
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