May weather forecastBologna, Italy
May
Weather in May
As May unveils itself, Bologna’s weather takes an exciting turn towards summer. The maximum temperature spikes to an energising 22.3°C (72.1°F). This month drenches the city in the highest amount of rainfall in the year, recording 57mm (2.24"). Nevertheless, the sunshine hours increase, constructing an ideal time for outdoor activities and sightseeing. The increased warmth, together with long hours of daylight, makes May a sweet spot for tourism in Bologna.Temperature
Bologna observes a slight ascent in average high-temperatures during May, adjusting from a refreshing 18.6°C (65.5°F) in April to an agreeable 22.3°C (72.1°F). May nights in Bologna, Italy, experience a consistent temperature drop to a fresh 11.3°C (52.3°F).Humidity
The average relative humidity in May is 72%.Rainfall
In May, the rain falls for 14.7 days. Throughout May, 57mm (2.24") of precipitation is accumulated. Throughout the year, in Bologna, there are 128.5 rainfall days, and 464mm (18.27") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Bologna.Daylight
In May, the average length of the day is 14h and 49min.On the first day of May, sunrise is at 06:04 and sunset at 20:19. On the last day of the month, sunrise is at 05:33 and sunset at 20:51 CEST.
Sunshine
The average sunshine in May is 10.4h.UV index
In Bologna, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bologna, Italy
- Average high temperature in May: 22.3°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in May: 11.3°C
The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in May
Bologna, Italy
- Average pressure in May: 1014mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in May
Bologna, Italy
- Average wind speed in May: 8.4km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is December (6.5km/h).
Average humidity in May
Bologna, Italy
- Average humidity in May: 72%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (58%).
Average rainfall in May
Bologna, Italy
- Average rainfall in May: 57mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in May
Bologna, Italy
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in May
Bologna, Italy
- Average snowfall in May: 0mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Bologna, Italy
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Bologna, Italy
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 10h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in May
Bologna, Italy
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in May
Bologna, Italy
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in May
Bologna, Italy
- Average cloud cover in May: 30
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Bologna, Italy
- Average visibility in May: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
