January in Cranston averages a daily high of 3.6°C with nights around -5.2°C. Expect roughly 11.5 wet days totalling 105.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Cranston is May–September.
Based on RHODE ISLAND T.F. GREEN INTERNATIONAL AIRPORT, RI US (6.4km), 1995–2024. 30 years of January data.