Zulu Nyala has a summer (October to April) and winter (May to September) season, which occur at opposite times to their European and North American counterparts. In accordance with its sub-tropical climate, the park experiences a hot and humid Wet season during summer. Winter is dry and pleasantly warm during the day, but cold at night and in the morning.
Dry season–May to September – Winter
Little rainfall occurs during the winter, with the exception of the rare shower due to the proximity to the coast of the reserve. Temperatures are generally pleasant, with bright clear skies.
May – There is less heat and humidity as the average temperature drops to about 14°C/57°F in the morning and 26°C/79°F in the afternoon.
June, July & August – Nighttime temperatures average around 11°C/52°F. This makes for cold mornings and packing warm clothes for morning game drives is strongly recommended. Afternoons are nice with temperatures averaging 25°C/77°F.
September – The spring season starts, and daytime temperatures slowly rise to around 27°C/81°F. Morning temperatures are around 15°C/59°F. Afternoon thundershowers can occur as rainfall generally increases.
Wet seasons–October to April – Summer
Summertime is characterized by intense humidity and heat. Rainfall increases, but mostly occurs in the form of afternoon thunderstorms.
October & November – It is common to rain in the afternoon, but occasionally the rain lasts all day. Temperatures hover between 18°C/64°F in the morning and 28°C/82°F in the afternoon.
December, January & February – Most afternoons experience thunderstorms, and it becomes extremely humid and hot. Temperatures average 31°C/88°F during the day, but it can get hotter. The most pleasant time of day is the morning, with temperatures of about 20°C/68°F.
March & April – The oppressive heat ends as temperatures cool to an average of 29°C/84°F in the afternoon and 18°C/64°F in the morning. Rains subside making it less humid.