June, July, August and September

This is when the Great Wildebeest Migration is happening, crossing the famous Mara River in Northern Serengeti , crocodiles will be feasting.

This is a question often asked by many travelers planning that special once in a lifetime trip to the park. This when is the best month to visit if you want to see the annual Wildebeest Migration crossing over the famous Mara river . However, we cannot emphasize this enough - Serengeti National Park is a superb year round safari destination as it offers ideal climate with an abundance of wildlife for excellent game viewing throughout the calendar year. The average daytime temperatures remain comfortable while nights are marginally cooler, needing just a cardigan or light jacket at the most. Generally speaking these conditions make for excellent game viewing any time of the year. Like any other destination in Northern Tanzania , the Serengeti experiences mildly distinct weather patterns, with two rainy seasons through the year that last 2 to 3 months, namely April to May and September to early November. The seasonal rainfall affects vegetation and water sources thus impacting movement and concentration of animals.

However, with many tourists come for the Wildebeest Migration which typically starts mid June -July, peaks in August and lasts through early September, and this is regarded as the best time to visit northern Serengeti especially for those who want to see the Great migration and large herds. As mentioned, due to varying rainfall patterns, the timing of the migration varies slightly year to year.
Therefore you may want to factor in the climate, the wildebeest migration and seasonal price changes while making your plans to visit Serengeti  Park so as to meet your expectations.