Bologna Weather & Climate: Best Time to Visit
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.
Monthly Temperature in Bologna
Visitors to Bologna can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 32°C (90°F) in July, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.
At night, you can expect temperatures ranging from 20°C (68°F) in July to around 1°C (34°F) during January.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bologna
Generally, Bologna experiences moderate precipitation patterns, averaging 832 mm (33 in) yearly. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 93 mm (3.7 in) of precipitation, spread over 13 rainy days.
In contrast, the driest month January experiences a drier climate, with about 48 mm (1.9 in) of rainfall spread across 12 rainy days. For more details, please visit our Bologna Precipitation page.The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Bologna
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
Humidity in Bologna by Month
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%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Bologna 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Bologna
During April, May, June, September and October, Bologna experiences its most favorable weather, with temperatures between 20°C (67°F) and 30°C (85°F). These mild conditions make it an excellent time for a visit.The weather does bring rainfall during this period, between 65 mm (2.6 in) and 81 mm (3.2 in). Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
