Booking with Indonesia AirAsia 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Penang to Surabaya. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, the most affordable month to book a Indonesia AirAsia flight from Penang to Surabaya in September, with an average price of RM 445. Conversely, traveling with Indonesia AirAsia from Penang to Surabaya in February will be the most expensive, with an average cost of RM 696. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
In terms of precipitation, rainfall in Surabaya ranges from 10.0 - 280.0 inches per month. January is typically the wettest month, when rainfall can reach 280.0 mm. August is typically the driest time to visit Surabaya when rainfall is around 10.0 mm.
If weather is an important factor for your trip to Surabaya, use this chart to help with planning. For those seeking warmer temperatures, October is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).
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