Tanzania and Kenya enjoy a tropical climate. It is hot and humid at the coast, temperate inland and very dry in the north and northeast parts of the country. The average annual temperature in Nairobi (altitude 4,980 feet) is 77°F maximum and 56°F minimum. The coastal town of Mombasa (altitude 50 feet) is 86°F maximum and 73°F minimum.
There is plenty of sunshine all the year round and summer clothes are worn throughout the year. However, it is usually cool at night and early in the morning. The long rains occur from April to June and short rains from October to December. The rainfall is sometimes heavy and when it does come it often falls in the afternoons and evenings. The hottest period is from February to March and coolest in July to August.