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Thinking of visiting Ornos in May? Expect pleasant temperatures reaching 21°C (70°F) during the day, dropping to 18°C (64°F) at night, with minimal rainfall.
If your ideal day consists of dry skies and pleasant temperatures, April, May, June, July, August, September and October typically offer the best circumstances for Ornos.
Pick a month to see the average temperature, rainfall and sunshine in Ornos - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Ornos typically stay consistent throughout May, with daily highs averaging around 21°C (70°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 18°C (64°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Ornos spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Ornos from 1976 through 2026.
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 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).
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. With minimal rainfall expected, you can leave the rain gear at home.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Ornos climate overview or explore weather in Greece.
Where to go in May - average daytime high across popular destinations.
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