Bologna Weather in May
Bologna in May sees high daytime temperatures of 25°C (77°F) and nighttime lows of 14°C (57°F). Rainfall is fairly high this month at around 78 mm (3.1 in), so pack a rain jacket to stay dry.
Rainfall in Bologna in May
Rain is expected on roughly 13 days, totalling around 78 mm (3.1 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Bologna in May
If you're visiting Bologna in May, expect perfect temperatures with highs of 25°C (77°F) and overnight lows of 14°C (57°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Bologna in May
The month enjoys around 231 hours of sunshine, creating mostly sunny days with good weather conditions.If your ideal day consists of dry skies and pleasant temperatures, April, May, September and October typically offer the best circumstances for Bologna.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Bologna's climate page.
Bologna Temperature in May
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bologna typically rise from around 21°C (70°F) at the start of May to approximately 25°C (77°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 13°C (55°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Bologna in May
Browse day-by-day weather records for Bologna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bologna historical weather extremes in May
Based on weather observations in Bologna between 1976 and 2025, these are the recorded extremes during May.
- The hottest May day on record in Bologna reached 35°C (95°F) (May 25, 2009).
- Bologna experienced its chilliest May day on May 10, 1984, reaching only 10°C (50°F).
Best Places in Italy in May
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in May →
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What to Wear in Bologna in May
For Bologna in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Bologna in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Bologna's climate page.
Temperature Rainfall Sunshine Humidity
See the full Bologna climate overview or explore weather in Italy.