The weather in Tanzania varies depending on where you are and the season you visit. Timon Safaris advises you to bring warm clothes cause sometimes it gets cold in some places because of the high altitude, especially in JUNE, JULY, and AUGUST.
The long rains are in MARCH, APRIL, and MAY. The short rains are in NOVEMBER and early DECEMBER. But sometimes it can also get boiling you are advised to have clothes that vary according to the weather.