Italy Bologna Weather in May — Climate Guide
May in Bologna is high
Bologna Weather in May — Quick Answer
As of 2026- Avg temp
- 23° / 12°
- Rainfall
- 60mm · 9 days
- Crowds
- Busy
As of 2026, Bologna in May averages a high of 23°C and low of 12°C with 60mm of rain over about 9 days. Warm late spring — around 23°C/12°C. Short sleeves or light layers, with a light cardigan for evenings. UV 6 — sunglasses and SPF on sunny days.
May is high for Bologna.
May is a superb month in Bologna — warm, sunny, and lively, with long days and the city in full term. It averages 23°C/12°C, about as comfortable as it gets before the summer heat.
This is prime time for outdoor life: portico walks, the San Luca climb, terrace aperitivo, and easy day trips to Modena, Parma, Ferrara, and Florence. The university energy and events calendar are at their peak.
Travel score
Bologna May Weather Stats
Avg High
23°C
Avg Low
12°C
Rainy Days
9
60mm total
Sunshine
7h
Daily avg
Humidity
68%
comfortable
UV Index
6
High
Wind
8 km/h
Gusts 16
Crowds
Busy
At attractions
May Sunrise & Sunset
Air Quality
PM2.5
21 μg/m³
PM10
37 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
23°C
Nighttime
12°C
Humidity and wind affect how the actual temperature feels.
Wind
8 km/h
Max gust 16 km/h
Activities Recommended for May
May Travel Pros & Cons
Pros
- Warm, sunny, long days
- Prime time for portico walks and day trips
- Vibrant university and events calendar
- Reliable weather
Cons
- High-season prices and crowds
- Trade fairs can spike hotel rates
- Late May humidity rising
- Popular trattorias need booking
May Events & Festivals
- Late-spring high season — warm and sunny
- Labour Day (May 1) — public holiday
- Strong calendar of concerts and university events
- Trade fairs possible — check the Fiere calendar
Bologna in May — Full Picture
May is a superb month in Bologna — warm, sunny, and lively, with long days and the city in full term. It averages 23°C/12°C, about as comfortable as it gets before the summer heat.
This is prime time for outdoor life: portico walks, the San Luca climb, terrace aperitivo, and easy day trips to Modena, Parma, Ferrara, and Florence. The university energy and events calendar are at their peak.
It's high season, so hotels and popular trattorias should be booked ahead, and the trade-fair calendar at the Fiere can again push prices up — check dates before committing.
Labour Day (May 1) is a public holiday that can make a long weekend. Otherwise the weather is reliable, with only occasional showers easily dodged under the porticoes.
Late May edges toward summer warmth and humidity, but it's still very pleasant. Overall one of the two best windows of the year (with September-October) — book early to lock in good rates.
What to Wear & What to Pack
Warm late spring — around 23°C/12°C. Short sleeves or light layers, with a light cardigan for evenings. UV 6 — sunglasses and SPF on sunny days.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current18.3°C
8°C
8.7/mo
Summer (Jun·Jul·Aug)
29.7°C
17.7°C
6.3/mo
Autumn (Sep·Oct·Nov)
20°C
10.7°C
9/mo
Winter (Dec·Jan·Feb)
7.3°C
0.7°C
7.3/mo
Bologna Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 6° | 0° | 7d·45mm | 3h | 85% | 1 | Quiet | Low season | |
| 9° | 1° | 7d·45mm | 4h | 80% | 2 | Quiet | Low season | |
| 14° | 4° | 8d·55mm | 5h | 75% | 3 | Moderate | Shoulder | |
| April (Best) | 18° | 8° | 9d·65mm | 6h | 70% | 5 | Busy | Peak |
| May (Best) | 23° | 12° | 9d·60mm | 7h | 68% | 6 | Busy | Peak |
| 27° | 16° | 8d·55mm | 8h | 65% | 8 | Busy | Peak | |
| 31° | 19° | 5d·40mm | 9h | 60% | 9 | Moderate | Shoulder | |
| 31° | 18° | 6d·50mm | 8.5h | 62% | 8 | Quiet | Low season | |
| September (Best) | 27° | 15° | 8d·70mm | 7h | 68% | 6 | Busy | Peak |
| October (Best) | 20° | 11° | 9d·80mm | 5h | 75% | 4 | Busy | Peak |
| 13° | 6° | 10d·80mm | 3h | 82% | 2 | Moderate | Shoulder | |
| 7° | 1° | 8d·55mm | 2.5h | 85% | 1 | Moderate | Shoulder |
View Other Months
Bologna May Hotel Picks
Frequently Asked Questions
Is May a good time to visit Bologna?
Bologna in May is high. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Bologna in May?
Bologna May averages a high of 23°C and a low of 12°C.
Does it rain much in Bologna in May?
Bologna May averages 60mm of rainfall over about 9 rainy days.
What should I wear in Bologna in May?
Warm late spring — around 23°C/12°C. Short sleeves or light layers, with a light cardigan for evenings. UV 6 — sunglasses and SPF on sunny days.
What time are sunrise and sunset in Bologna in May?
Bologna May sunrise is 05:55 and sunset is 20:35, with 14h 40min of daylight.
What's the air quality like in Bologna in May?
Bologna May air quality (AQI) averages 52, rated Moderate. PM2.5 averages 21μg/m³.
What activities are recommended in Bologna in May?
In May, Bologna is great for The San Luca portico climb, Terrace aperitivo and outdoor dining, Day trips to Modena, Parma, Ferrara, Florence.
Is May peak season in Bologna?
Bologna May crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Bologna
View Other Months
Planning a May trip to Bologna?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.