Nairobi is located at 1°09′S 36°39′E and 1°27′S 37°06′E and in between Kampala and Mombasa cities, having 684-sq.km. of land. It lies adjacent to the eastern edge of the rift valley, 588ft (1795m) above the sea level. The Ngong hills occupy the western part of the city. Mount Kenya is on the North of the city and Mount Kilimanjaro lies towards south-east of Nairobi.
The Nairobi River and its tributaries flow through the Nairobi Province and join River Athi on the county's eastern edge. The Kenyan Parliament buildings, Nairobi Law Courts, Kenyatta Conference Centre, the Holy Family Cathedral and the Nairobi City Hall surround the square.
Nairobi experiences a moderate climate with sunny summers and cool winters. The temperature in winter (June/July) drops down up to 9°C (48°F), and in summer period from December to March, the temperatures average in the mid-twenties Celsius during the day time, the average maximum temperature during this period is 24°C (75°F). Rainfall is moderate. The drizzles are experienced in between late summer and autumn.