January in Suffolk averages a daily high of 10.2°C with nights around -0.1°C. Expect roughly 10.5 wet days totalling 92.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Suffolk is April–May.
Based on SUFFOLK LAKE KILBY, VA US (1.5km), 1995–2024. 30 years of January data.