Verdict: Excellent month
Bologna Weather in May
May hits the sweet spot in Bologna — highs around 22°C (72°F), ideal for a full day on foot. Expect showers on roughly 12 days of the month — rarely trip-ruining, worth planning around. Overall, May is one of the best months of the year to be in Bologna.
Average high
22°C / 72°F
Average low
13°C / 55°F
Rain days
~12
Precipitation
133 mm
What to pack for Bologna in May
- Summer clothes, plus one light layer for air-con and evenings
- Rain gear is non-negotiable — expect rain on roughly 12 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
May against the rest of the year
Warmest in Bologna: Jul (32°C / 90°F) · Coolest: Jan (8°C / 46°F) · Wettest: May (~12 rain days)
8°
1°
Jan
12°
4°
Feb
15°
5°
Mar
18°
8°
Apr
22°
13°
May
28°
18°
Jun
32°
21°
Jul
31°
20°
Aug
26°
16°
Sep
21°
12°
Oct
13°
6°
Nov
9°
2°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)