January in Surrey averages a daily high of 7.1°C with nights around 1.9°C. Expect roughly 20.3 wet days totalling 197.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Surrey is July–September.
Based on CLOVERDALE EAST, BC CA (9.2km), 1995–2024. 13 years of January data.