TEMPERATURE OF NAIROBI

Although the average temperature throughout the 24 hours varies only from about 17° during July and August to 20°C in March, the daily range of temperature is quite large, averaging about 10° in May and 15° in February. The human body quickly becomes sensitive to small seasonal changes of temperature, and many people in Nairobi welcomes a fire in their homes during the evenings, especially in the months of July and August, Many of the residential areas of Nairobi are situated some 300 feet(100 metres) higher than the city centre and temperatures are accordingly some 1° or 2° lower. In the tables that follows the mean maximum and minimum temperatures for the city are shown for each month of the year.

During the months of June to September, when the south-east winds prevail in the coastal regions, a cloud cap frequently forms over the high ground of Kenya immediately east of the Great Rift Valley, and sometimes persists for several days without a break. When this occurs day temperatures remain low and occasionally the maximum does not exceed 18° C. Low temperatures also occur during the night and early morning at this time of the year, values as low as 8° C or even 6° C on the ground sometimes being recorded. Very cold nights sometimes occur also during January and February when the sky is clear. The highest and lowest temperatures recorded during the 25 years in the city are 32.8° C and 3.9° C.

Mean maximum  Mean minimum  Mean range Months °C °C °C January 26.8 13.1 13.7 February 28.0 13.4 14.6 March 27.4 14.4 13.0 April 24.6 14.3 10.3 May 24.1 14.2 9.9 June 23.1 12.6 10.5 July 22.3 11.5 10.8 August 22.7 11.8 10.9 September 25.3 12.2 13.1 October 26.2 13.7 12.5 November 23.6 14.4 9.2 December 25.1 13.8 11.6 Year 24.9 13.3 11.6

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