Tanzania has a warm equatorial climate all year round and the best time to visit is during the drier months from June to October.
The short rains occur in November/December and long rains from March to May, when heavy downpours can make road travel very difficult.
Wildebeest calving occurs in the southern Serengeti from January to March, after which the migration slowly moves northwards reaching the Grumeti River in June/July, before moving into the Masai Mara in Kenya.
DIVING IN ZANZIBAR: Visibility is at its best in January, February, September and October.
CLIMBING KILIMANJARO: January, February and September are the best months in terms of weather. You should summit as close to full moon as possible.