January in Odivelas averages a daily high of 15.1°C with nights around 8.9°C. Expect roughly 12 wet days totalling 112.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Odivelas is May–September.
Based on LISBOA GEOFISICA, PO (8.9km), 1995–2024. 26 years of January data.