Summer (June to August), summers in Busan can be hot and humid with temperatures often exceeding 25°C (77°F), sometimes reaching up to 30°C or higher. This is peak tourist season, so expect larger crowds at popular destinations like Haeundae Beach and Taejongdae. However, the warm weather is perfect for water activities.

If you're looking for a bustling area full of shopping, dining, and entertainment options, head to the Seomyeon Shopping District. You can enjoy various local foods like grilled fish at Jagalchi Fish Market or shop for trendy Korean fashion items.

Jangmandaro Park features Europe Island, which has small-scale reproductions of European landmarks like the Eiffel Tower and Venice Bridge. It's a fun place to explore on foot and take memorable photos.

Gamcheon Culture Village, known as "Macha Hill," is famous for its colorful houses and artworks which create an Instagram-worthy backdrop. It's also a community of artists where you can find galleries, craft shops, and street murals.

One of the must-visit destinations in Busan is Haeundae Beach. Swimming, sunbathing, surfing, and participating in beach volleyball or other sand sports are popular activities. The beach also offers various water equipment rentals for more dynamic experiences like jet skiing or parasailing.

During the winter months from December to February, winter in Busan is relatively mild compared to other regions in Korea. Temperatures can drop below freezing, but it rarely gets extremely cold. It's a good time for indoor activities like visiting museums or hot spring resorts around the city. If you enjoy winter sports, nearby Gangwon Province offers skiing and snowboarding opportunities.

During the spring months from March to May, Busan is characterized by blooming cherry blossoms and other spring flowers. The climate is generally pleasant with less rainfall compared to the summer months, making it a great time for hiking or visiting attractions like Beomeosa Temple, Haedong Yonggungsa Temple, and Gamcheon Culture Village.

Spy Island Park (Nurimaru APEC House and Haedong Yonggungsa Temple), 해운대고구려 this area offers a view of the 12 glass towers that serve as Korea's National Maritime Museum, which includes exhibitions on maritime history and culture.

Dongbaek Island Park (Dongbaekseom), this coastal park offers walking paths along the sea, a botanical garden, and spots for barbecues. It's a great place to relax or have a picnic while enjoying the scenery.

During the months of March and April, the weather is mild with average temperatures ranging from 7°C to 18°C (45°F to 64°F). This period offers a comfortable climate for sightseeing and outdoor activities without the high humidity levels that come later in the summer. It's also less crowded than peak season, making it an ideal time for exploration.

From September to November, with temperatures ranging from 10°C to 23°C (50°F to 73°F), this is another great time to visit Busan. The fall foliage adds an extra layer of beauty to the city's scenic spots, and the cooler weather makes it pleasant for hiking or visiting beach areas.

Taejongdae National Park, Taejongdae offers stunning views of rocky islets and lush greenery. You can take a cable car up to observe birds, especially during migration season, or hike one of the trails for a closer look at nature.

Autumn (September to November), autumn offers cooler temperatures and less humidity, with September typically being the mildest month before it starts getting colder in late autumn. It's a fantastic time to enjoy the city's natural beauty, such as Naksan Beach and Songdo Beach Park, without the intensity of summer heat.