Tanzania's weather varies from humid and hot in low lying areas, such as Dar es Salaam, to hot during the day and cool at night in Arusha. There are no discernible seasons, such as winter and summer -- only the dry and wet seasons. Tanzania has two rainy seasons: The short rains from late-October to late-December, a.k.a. the Mango Rains, and the long rains from March to May.
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Many popular resorts and tourist attractions on Zanzibar and Mafia Island Marine Park close during the long rains season, and many trails in the national parks are impassable during this period. For that reason, in most cases tours are restricted to the main roads in the parks. Travelers should plan their trip accordingly.
During the dry season, temperatures can easily soar to above 35Â°C in Dar. You should seek shelter from the sun during the midday heat and use copious amounts of sunblock, SPF 30+.
Best times to visit are:
June to August:This is the tail-end of the long rainy season and the weather is at its best at this time of year -- bearable during the day and cool in the evening. However, this is not necessarily the best time of year for safaris, as water is plentiful in the parks and animals are not forced to congregate in a few locations to rehydrate, as they do in the middle of the dry season right after Christmas.
January to February:This is the best time to visit the Serengeti. It is usually at this time that huge herds of Wildebeest, Zebra and Buffalo migrate to better grazing areas. At this period you could observe some of the 1.5 million Wildebeest that inhabit the Serengeti undertake their epic journey. Be advised this is most likely the hottest time of year in Tanzania, when even the locals complain about the heat. You've been warned!
This is probably one of the oldest known continuously inhabited areas on Earth; fossil remains of humans and pre-human hominids have been found dating back over two million years. More recently, Tanzania is believed to have been populated by hunter-gatherer communities, probably cushitic and Khoisan speaking people. About 2000 years ago, Bantu-speaking people began to arrive from western Africa in a series of migrations. Later, Nilotic pastoralists arrived, and continued to immigrate into the area through to the 18th century.
Travellers and merchants from the Persian Gulf and Western India have visited the East African coast since early in the first millennium CE. Islam was practised on the Swahili coast as early as the eighth or ninth century CE.
In the late 19th century, Imperial Germany conquered the regions that are now Tanzania minus Zanzibar, Rwanda, and Burundi, and incorporated them into German East Africa. The post-World War I accords and the League of Nations charter designated the area a British Mandate, except for a small area in the northwest, which was ceded to Belgium and later became Rwanda and Burundi). British rule came to an end in 1961 after a relatively peaceful compared with neighbouring Kenya, for instance transition to independence. In 1954, Julius Nyerere transformed an organization into the politically oriented Tanganyika African National Union TANU. Nyerere became Minister of British-administered Tanganyika in 1960 and continued as Prime Minister when Tanganyika became officially independent in 1961. After the Zanzibar Revolution overthrew the Arab dynasty in neighboring Zanzibar, which had become independent in 1963, the island merged with mainland Tanganyika to form the nation of Tanzania on 26 April 1964.
From the late 1970s, Tanzania's economy took a turn for the worse. Tanzania also aligned with China, seeking Chinese aid. The Chinese were quick to comply, but with the condition that all projects be completed by imported Chinese labor. From the mid 1980s, the regime financed itself by borrowing from the International Monetary Fund and underwent some reforms. From the mid 1980s Tanzania's GDP per capita has grown and poverty has been reduced.
A large central plateau makes up most of the mainland, at between 900 m and 1800 m. The mountain ranges of the Eastern Arc and the Southern and Northern Highlands cut across the country to form part of the Great Rift Valley.
A land of geographical extremes, Tanzania houses the highest peak Mount Kilimanjaro, the lowest point the lake bed of Lake Tanganyika, and a portion of the largest lake Lake Victoria, shared with Uganda and Kenya on the African continent.