January in Sunggal averages a daily high of 31.1°C with nights around 22.5°C. Expect roughly 6 wet days totalling 70.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Sunggal is December–July.
Based on POLONIA, ID (6.6km), 1995–2024. 17 years of January data.