Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Arizona to Harare as you normally would.
In terms of precipitation, rainfall in Harare ranges from 0.1 - 7.5 inches per month. January is typically the wettest month, when rainfall can reach 7.5 in. June is typically the driest time to visit Harare when rainfall is around 0.1 in.
If weather is an important factor for your trip to Harare, use this chart to help with planning. For those seeking warmer temperatures, November is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 59.0 F).