Climate trends at Brussels (1833–2025)
Brussels, the capital of Belgium, has experienced notable climate changes over the years. With data spanning from 1833 to 2025, the city has shown a warming trend that reflects broader global patterns. The primary climate statistics indicate that the average temperature has increased over time, with the first ten years of observation (1833–1842) averaging 9.68°C, compared to 10.62°C in the last ten years (1991–2025). This represents a significant increase of 0.95°C.
Furthermore, when comparing the baseline period of 1890–1900, which had an average temperature of 9.64°C, to the projected average for 2025 of 11.94°C, we see a warming of 2.3°C. This trend underscores the ongoing impacts of climate change in the region.
Trend Summary
Over the decades, Brussels has seen a consistent increase in temperature. The average from 1961 to 1990 was 10.09°C, rising to 10.48°C from 1991 to 2020. The trend indicates a warming rate of approximately 0.223°C per decade since 1960 and 0.439°C per decade since 1980. These figures highlight the accelerating nature of climate change in the area.
Climate change impacts
The warming observed in Brussels is likely to contribute to increased risks of heatwaves and droughts, impacting both the environment and human health. As temperatures rise, the city may face challenges related to water management, agriculture, and public health.
Comparison vs National Benchmark and Paris
When compared to the national average temperature from 1991 to 2020, which is approximately 10.48°C, Brussels aligns closely with this benchmark. However, it is worth noting that the temperature in Brussels is currently 2.12°C lower than that of Paris, indicating regional variations in climate trends.
Top-5 warm years
- 2025 - 11.94°C
- 1834 - 11.43°C
- 1921 - 11.25°C
- 1989 - 11.25°C
- 1959 - 11.2°C
The record warmest year in Brussels is 2025, with a temperature of 11.94°C. In contrast, the coldest recorded temperature was in 1879, at 7.44°C.
For more detailed data, you can access the raw data in CSV format or JSON format. Additionally, explore our interactive map for more insights.