Climate trends at Bologna (1815–2025)
Bologna, a vibrant city in Italy with a population of 387,971, has been experiencing notable climate changes over the past two centuries. The data from multiple regional stations indicate a warming trend that is consistent across the region.
Trend Summary
According to the primary climate statistics, the average temperature in Bologna has risen from 14.31°C during the period of 1815–1824 to 14.57°C in the most recent decade, 2013–2025. This represents an increase of 0.27°C. Furthermore, the average temperature from 2015 to 2024 is recorded at 14.65°C, showing a significant rise of 1.46°C compared to the baseline period of 1890–1900, which had a mean temperature of 13.19°C.
Climate change impacts
The ongoing warming trends suggest an increased risk of heat waves and droughts in the Bologna region. As temperatures continue to rise, the impacts on local ecosystems, agriculture, and public health may become more pronounced.
Comparison vs National Benchmark and Paris
When compared to the national benchmark, Bologna's average temperature from 1991 to 2020 is slightly below the national mean of 14.85°C. Additionally, Bologna's temperatures are 2.16°C higher than those recorded in Paris, highlighting the regional variations in climate change impacts.
Top-5 warm years
- 2000: 16.97°C
- 1999: 16.1°C
- 1998: 15.94°C
- 2023: 15.75°C
- 1997: 15.72°C
The record coldest year in Bologna was 1858, with a temperature of 11.57°C. This historical context emphasizes the significant warming that has occurred over the last two centuries.
To explore more detailed data, you can access the raw data in CSV format here or in JSON format here. For an interactive exploration of climate data, visit our map tool.