January in Delta averages a daily high of 7.4°C with nights around 2.9°C. Expect roughly 18.6 wet days totalling 148.1mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Delta is June–August.
Based on DELTA TSAWWASSEN BEACH, BC CA (8.7km), 1995–2024. 30 years of January data.