The falls vary dramatically by season, and the timing of your visit significantly affects what you see.
Spring (March–May) produces the most spectacular flow. Snowmelt from the upper Yellow River basin arrives in March, and spring rainfall adds to the volume through April and May. This is when the falls are at their most violent and most photogenic, with the highest water pressure, the loudest sound, and the most dramatic spray.
Autumn (September–October) is the best season for photography. Water levels have dropped enough to reveal the full rock formations around the falls, the surrounding trees turn yellow and orange, and the light is better than in summer. This is the recommendation for most visitors.
Summer (June–August) brings rainstorm runoff that increases volume but also reduces visibility through spray and overcast skies. The surrounding landscape is green rather than the characteristic loess yellow-ochre, which changes the aesthetic significantly.
Winter (December–February) partially freezes the falls, producing dramatic ice formations on the surrounding rock faces and a much quieter visitor experience. The frozen falls are genuinely spectacular but require cold weather preparation.