January in Cumbernauld averages a daily high of 7.5°C with nights around 1.5°C. Expect roughly 16.8 wet days totalling 63.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Cumbernauld is June–September.
Based on EDINBURGH ROYAL BOTANIC GARDE, UK (48.6km), 1995–2024. 29 years of January data.