What is the best month to go to Korea if you are visiting for the first time? Your first trip to Korea should be in July. This month is known for being a high tourist month, which means that you will have fewer tourists during that period of time. On the flip side, August and September are considered to be the lowest tourist months in Korea, which means that you will probably have a higher number of tourists during that period of time. So, if you are visiting Korea for the first time and you are unsure of the climate, July and August could be your best months to visit.