Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Johannesburg (average of $1,173). Flying from Portland, Maine to Johannesburg in July is currently the most expensive (average of $1,696). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Johannesburg as you normally would.
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).