January in Richland averages a daily high of 4.7°C with nights around -1.9°C. Expect roughly 12.2 wet days totalling 25.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Richland is May–June.
Based on RICHLAND, WA US (3.3km), 1995–2024. 30 years of January data.