Bologna in May
In May, Bologna averages 22°C (72°F) during the day and 13°C (55°F) at night, with around 12 days of rain (129 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
May offers comfortable temperatures in Bologna, with some rain to plan around.
How May compares to the rest of the year in Bologna
May is in the middle of the year for warmth in Bologna (5th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 3°C above the annual average (19°C). May runs 4°C warmer than April (18°C) and warms a further 6°C into June (28°C).
May sunrise & sunset in Bologna
Times shown for Bologna local time (Europe/Rome), calculated for the 15th of May. They shift by a few minutes day to day across the month.
Photography light in Bologna — May
Golden-hour and blue-hour windows for the 15th of May, in Bologna's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Bologna in May
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (High season) and Bologna's popularity.
Crowds & pricing — May in Bologna
This is a busy month in Bologna — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — May in Bologna
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Bologna in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 9°C / 47°F | 1°C / 34°F | 48 mm | 7 | — |
| February | 11°C / 52°F | 3°C / 37°F | 90 mm | 9 | — |
| March | 15°C / 58°F | 5°C / 40°F | 58 mm | 8 | — |
| April | 18°C / 65°F | 8°C / 47°F | 61 mm | 9 | — |
| May | 22°C / 72°F | 13°C / 55°F | 129 mm | 12 | — |
| June | 28°C / 83°F | 18°C / 64°F | 57 mm | 8 | — |
| July | 31°C / 89°F | 20°C / 69°F | 51 mm | 8 | — |
| August | 31°C / 87°F | 20°C / 67°F | 51 mm | 8 | — |
| September | 25°C / 78°F | 16°C / 60°F | 67 mm | 8 | — |
| October | 20°C / 68°F | 12°C / 53°F | 61 mm | 8 | — |
| November | 14°C / 56°F | 7°C / 44°F | 101 mm | 11 | — |
| December | 9°C / 48°F | 2°C / 36°F | 63 mm | 9 | — |
Other cities with similar May weather
🌍 See the full ranked list of climate twins for Bologna in May →
Frequently asked questions
How hot is Bologna in May?
In May, Bologna averages a high of 22°C (72°F) and a low of 13°C (55°F) — generally mild and pleasant.
Does it rain a lot in Bologna in May?
May can be fairly wet in Bologna, with about 12 rainy days on average.
Is May a good time to visit Bologna?
May is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Bologna in May?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full May packing list for Bologna for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.