For Business Class flights, the cheapest month to fly this route is January. The most expensive months are June and April.
In terms of precipitation, rainfall in Taiwan ranges from 69.0 - 297.0 inches per month. June is typically the wettest month, when rainfall can reach 297.0 mm. November is typically the driest time to visit Taiwan when rainfall is around 69.0 mm.
If weather is an important factor for your trip to Taiwan, use this chart to help with planning. For those seeking warmer temperatures, July 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 16.0 C).
Booking a Business Class flight 9 days in advance of your planned departure date is, on average, the best time to get cheap flights to Taiwan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.