Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Rio de Janeiro. Flights to Rio de Janeiro from Penang in February are about RM 6,463 on average during February, but can be found for as low as RM 5,131.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Penang to Rio de Janeiro as you normally would.
Expect the weather to be around 32 °C on average in January. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Rio de Janeiro is generally colder than in Penang.