It’s typically best to fly out from Kingston to Johannesburg at noon. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.
In terms of precipitation, rainfall in Johannesburg ranges from 0.0 - 4.7 inches per month. January is typically the wettest month, when rainfall can reach 4.7 in. June is typically the driest time to visit Johannesburg when rainfall is around 0.0 in.
If weather is an important factor for your trip to Johannesburg, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 50.0 F).