February in Barreiro averages a daily high of 16.3°C with nights around 9.4°C. Expect roughly 9 wet days totalling 71.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Barreiro is May–September.
Based on LISBOA GEOFISICA, PO (9km), 1995–2024. 26 years of February data.