Barcelona weather in 2025
Barcelona weather in 2025, with 365 daily observations from Open-Meteo archive data.
Interactive graph
Open Barcelona in the interactive graph
Use the graph view to inspect 2025 alongside other available years for Barcelona.
Year summary
In 2025, Barcelona averaged 21.0 C for daily highs and 13.2 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2025 with the 2023-2025 archive baseline. The 2025 average daily high was -0.2 C from that baseline, and total precipitation was +189.9 mm from the baseline total.
The warmest month was August, with an average high of 29.6 C, while January had the lowest average low at 5.9 C.
The wettest month was September, totaling 209.9 mm. The hottest day reached 35.9 C on August 16, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 5.9 | 15.2 | 10.1 | 31 |
| February | 6.5 | 14.2 | 41.1 | 28 |
| March | 8.5 | 14.8 | 146.0 | 31 |
| April | 10.8 | 18.4 | 31.2 | 30 |
| May | 13.6 | 21.5 | 72.9 | 31 |
| June | 21.1 | 29.2 | 0.3 | 30 |
| July | 21.5 | 28.4 | 127.9 | 31 |
| August | 21.2 | 29.6 | 35.2 | 31 |
| September | 18.0 | 25.0 | 209.9 | 30 |
| October | 14.6 | 22.3 | 57.4 | 31 |
| November | 9.0 | 17.5 | 19.7 | 30 |
| December | 7.2 | 14.7 | 161.0 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | August 16, 2025 | 35.9 C |
| Coldest night | January 14, 2025 | -0.5 C |
| Wettest day | September 13, 2025 | 99.4 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.