The dry season from May to October is the classic time to visit. As the months progress and the Runde and Save rivers drop to their dry-season levels, wildlife concentrates along the remaining water. By August and September, the mopane woodland is leafless, visibility is exceptional, and herds of a hundred elephants at the river is not a notable event. The heat is intense — temperatures above 38°C are normal in the lowveld in October — but tolerable with early starts and afternoon rests.
July and August are the most comfortable months: cool nights (sometimes cold, down to 8°C), warm dry days, and game viewing at its best. This is also the period when the park gets its highest — still very modest — number of visitors. Book Chipinda Pools campsite in advance if you're visiting during this window.
November through April is the wet season. The rains transform the park — the landscape turns brilliant green, migratory birds arrive from Europe and northern Africa, and the Save–Runde confluence pans fill with waders and wildfowl. But this is also when the tracks become deeply rutted or impassable, river crossings flood, and the risk of vehicle recovery is real. Only experienced self-sufficient 4WD travellers should attempt Gonarezhou in the wet season, and the Mabalauta sector in particular can be completely inaccessible. The birding reward is genuine, but it comes with a cost.
Malaria is present year-round in this part of Zimbabwe; risk is highest during and just after the rains. Prophylaxis and mosquito precautions are strongly recommended.