Bologna Weather and Climate: A Comprehensive Guide
Bologna has a warm maritime climate. The pleasant weather in Bologna makes this city an ideal destination for a holiday or short break. You can visit Bologna throughout most of the year except for the real winter months (December - March). In summer (between July and September) Bologna can become very hot. There can also be periods of heavy rain, particularly in spring and autumn.
During winter the weather can be cold and fairly unpredictable.
Average maximum day and minimum night temperature
Visitors to Bologna can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 32°C in July, the warmest time of the year, to a chilly 9°C during cooler months like January.
At night, temperatures typically drop to an average of around 1°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Bologna experiences moderate precipitation patterns, averaging 832 mm yearly. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 93 mm of precipitation, spread over 13 rainy days. In contrast, January experiences a drier climate, with about 48 mm of rainfall spread across 12 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Bologna. While July receives considerable daily sunshine with up to 9.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.5 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Bologna.
The city experiences its highest humidity in November, reaching 85%. In July, the humidity drops to its lowest level at 65%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
clear and no rain broken clouds and no rain partly cloudy and small chance of sleetForecast for Bologna
The best time of year to visit Bologna in Italy
During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 32°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 9°C.
November tops the wettest month list with 93 mm of rainfall.
January is the driest month with 48 mm of precipitation.
July is the sunniest month with an average of 292 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.