Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Tennessee to Mombasa as you normally would.
In terms of precipitation, rainfall in Mombasa ranges from 0.4 - 10.6 inches per month. May is typically the wettest month, when rainfall can reach 10.6 in. February is typically the driest time to visit Mombasa when rainfall is around 0.4 in.
If weather is an important factor for your trip to Mombasa, 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 82.4 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 75.2 F).