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In terms of precipitation, rainfall in Nairobi ranges from 0.4 - 6.3 inches per month. April is typically the wettest month, when rainfall can reach 6.3 in. July is typically the driest time to visit Nairobi when rainfall is around 0.4 in.
If weather is an important factor for your trip to Nairobi, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 62.6 F).