Castel Guelfo di Bologna Weather & Climate: Best Time to Visit

Visitors to Castel Guelfo di Bologna can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 32°C (90°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).

At night, temperatures range from around 20°C (68°F) in July to 2°C (36°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Castel Guelfo di Bologna experiences moderate precipitation patterns, averaging 830 mm (33 in) yearly. Castel Guelfo di Bologna experiences moderate seasonal variation in rainfall, with monthly averages ranging from 90 mm (3.5 in) in November, the wettest month, and 48 mm (1.9 in) in January, the driest month. For more details, please visit our Castel Guelfo di Bologna Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Castel Guelfo di Bologna can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, 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

The relative humidity is high throughout the year in Castel Guelfo di 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