January in Djelfa averages a daily high of 10.4°C with nights around 0.9°C. Expect roughly 6.5 wet days totalling 19.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Djelfa is April–May.
Based on DJELFA TLETSI, AG (1.6km), 1995–2024. 18 years of January data.