January in Oss averages a daily high of 5.9°C with nights around 0.2°C. Expect roughly 15.5 wet days totalling 65.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Oss is May–September.
Based on VOLKEL, NL (17.6km), 1995–2024. 30 years of January data.