When to visit
Busan?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Busan
Busan · Republic of Korea

The best weather in Busan is from May, October.consistent weather climate

Climate score
September
57

Mixed climate

🌧Rainy

Temperature
20–25°C
Pleasant nights
Feels like
21–27°C
Slightly humid
Precipitation
258mm
Torrential rain · 13 days
Sunshine
7.4h
Mostly cloudy
Humidity (%)
80%
Slightly humid
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
-10°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
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Monthly Overview
Score282943657963474657846333
ClimateColdColdColdCool & rainyCool & rainyRainyRainyHot & rainyRainyMildColdCold
Temperature-2–7°C0–9°C5–13°C9–17°C14–21°C18–24°C23–27°C24–29°C20–25°C13–21°C7–15°C0–8°C
Feels like-7–2°C-5–5°C1–10°C7–16°C13–21°C19–26°C26–32°C28–34°C21–27°C12–20°C4–13°C-5–4°C
Precipitation41mm
4 days
53mm
5 days
93mm
7 days
126mm
8 days
116mm
8 days
197mm
10 days
269mm
17 days
203mm
16 days
258mm
13 days
93mm
6 days
54mm
4 days
35mm
3 days
Sunshine7.7h
☀︎ 77%
8.5h
☀︎ 78%
8.7h
☀︎ 73%
8.9h
☀︎ 68%
9.8h
☀︎ 70%
7.9h
☀︎ 55%
7.1h
☀︎ 50%
10.1h
☀︎ 75%
7.4h
☀︎ 60%
8.3h
☀︎ 73%
8.0h
☀︎ 77%
7.8h
☀︎ 79%
WindNW · 21 km/hNW · 21 km/hNW · 21 km/hNW · 21 km/hSW · 20 km/hS · 19 km/hS · 19 km/hSE · 19 km/hNE · 20 km/hN · 19 km/hNW · 19 km/hNW · 20 km/h
Humidity (%)57%59%68%72%76%83%88%84%80%72%67%59%
Day length10.1h10.9h12.0h13.1h14.0h14.5h14.3h13.5h12.4h11.3h10.3h9.8h
Events & Festivals
JanFebMarAprMayJunJulAugSepOctNovDec
Busan International Film Festival (BIFF)
Busan Cherry Blossom Season
Busan Christmas Tree Festival
Busan Fireworks Festival
Busan One Asia Festival (BOF)
Haeundae Sand Festival
Busan International Rock Festival
Busan Jagalchi Festival
Gwangalli Eobang Festival
New Year's Sunrise Festival
Events & Festivals
  • Busan International Film Festival (BIFF)culturalSignature event
    October· 500k+ visitors

    As one of Asia's most significant film festivals, BIFF attracts filmmakers, stars, and cinephiles from around the globe.…

  • Busan Cherry Blossom Seasonnature
    March, April· 50k+ visitors

    Experience the breathtaking beauty of cherry blossoms blooming across Busan, transforming parks and streets into a pink…

  • Busan Christmas Tree Festivalholiday
    December, January· 50k+ visitors

    Nampo-dong transforms into a dazzling wonderland with elaborate Christmas tree displays and festive lights, creating a m…

  • Busan Fireworks Festivalfestival
    October· 500k+ visitors

    Witness a spectacular display of fireworks synchronized with music over Gwangalli Beach, attracting millions of spectato…

  • Busan One Asia Festival (BOF)cultural
    October· 50k+ visitors

    A grand celebration of the Hallyu wave, BOF features K-pop concerts, fan meetings, and cultural exhibitions, attracting…

  • Haeundae Sand Festivalfestival
    May· 50k+ visitors

    Celebrate the beauty of Haeundae Beach with intricate sand sculptures created by artists from around the world. Held in…

  • Busan International Rock Festivalfestival
    August· 50k+ visitors

    One of Korea's longest-running rock festivals, this event brings together international and local rock bands for energet…

  • Busan Jagalchi Festivalfood wine
    October· 5k+ visitors

    Immerse yourself in the vibrant atmosphere of Korea's largest seafood market during this festival, celebrating the bount…

  • Gwangalli Eobang Festivalcultural
    April· 5k+ visitors

    This festival celebrates Busan's rich fishing heritage and traditional village culture, offering unique experiences like…

  • New Year's Sunrise Festivalcultural
    January· 50k+ visitors

    Join thousands of locals and visitors at Haeundae Beach to welcome the first sunrise of the New Year, a deeply symbolic…

The story of the seasons in Busan

Busan sees its heaviest crowds in late autumn and winter just as freezing maritime winds bite into the coastline, while October delivers the year's clearest skies, warmest water, and richest cultural life to surprisingly quiet streets.

Busan is a city hammered out between granite ridges and the open Korea Strait, where the world's sixth-busiest container port hums against a shoreline of crescent beaches and cliff-hugging settlements. Unlike Seoul's inland basin, daily rhythm here belongs entirely to the sea. Salt air cuts through narrow mountain valleys, giant container cranes loom over fishing docks, and promenades curve around sweeping bays. Yet travelers routinely misjudge when to encounter this dramatic maritime frontier, swarming the seafront during raw, blustery winter holidays while letting the finest coastal weather slip past with barely an audience.

The October sweet spot: cinema, fireworks, and empty sands

October is Busan at its most magnetic, yet the numbers record it as the quietest month on the calendar. The oppressive humidity of summer vanishes overnight, leaving behind cool, transparent air and daytime temperatures hovering comfortably around twenty degrees. The East Sea holds onto its residual warmth, making afternoon strolls along the sand genuinely pleasant rather than an endurance test against heat or wind.

The city channels this fleeting atmospheric perfection into a dizzying rush of open-air life. The Busan International Film Festival brings directors, stars, and late-night cinephiles pouring through Haeundae and into the historic alleys of Nampo-dong. Along the piers, the Busan Jagalchi Festival celebrates the local catch with overflowing outdoor stalls, while the Busan One Asia Festival fills open arenas with stadium-scale K-pop. By late October, the Busan Fireworks Festival ignites the night over Gwangalli Beach, painting the suspension bridge in cascading curtains of fire. You get the concentrated cultural adrenaline of a world-class port metropolis without the summer crush or the winter bite.

The winter rush: roaring crowds in bitter coastal cold

November is the single busiest month of the year in Busan, and December follows immediately behind. What draws this immense human tide is a calendar of holiday spectacle, but what meets them on the ground is biting coastal cold. As Siberian air currents press south across the peninsula, apparent temperatures plummet toward freezing. The wind howls off the Korea Strait, funneling through the skyscraper canyons of Haeundae and sweeping the promenades bare of lingering walkers.

Yet people pack the avenues regardless. Throughout December and into January, the Busan Christmas Tree Festival turns the pedestrian grids of Nampo-dong into an illuminated corridor of neon sculptures and overhead chandeliers, drawing dense crowds wrapped in heavy parkas and down coats. On New Year's morning, tens of thousands gather in darkness on Haeundae Beach for the New Year's Sunrise Festival, waiting for the red dawn to break over the freezing surf. It is an exhilarating, communal spectacle of endurance, but if you expect a gentle southern winter escape from the colder north, the relentless maritime gales will disabuse you of the notion immediately.

The spring thaw: cherry blossoms and warming sands

Spring arrives slowly in March, carrying chilly morning mists off the water before shifting into vibrant color by early April. The Busan Cherry Blossom Season briefly turns the city's green corridors into a canopy of pale pink. Masses of petals spill along the riverside paths of Oncheoncheon Stream and drift across the vast, open grounds of Samnak Ecological Park, where walking trails follow the broad Nakdong River. Rain creeps upward, falling in purposeful spring squalls that clear the air and leave brilliant blue horizons behind.

By April and May, the coastline fully awakens to outdoor life. The Gwangalli Eobang Festival takes over Gwangalli Beach, reviving traditional netting and coastal fishing heritage with bare-handed fishing contests and torchlit night parades on the water. By late May, when the weather turns reliably warm and sunny, sculptors gather on Haeundae Beach for the Haeundae Sand Festival, carving towering, temporary monoliths into the sand. May offers an exceptional balance: warm afternoon sun, lush hillsides, and visitor numbers that remain well below the impending winter deluge.

Monsoon downpours and humid summer steam

Summer in Busan is heavy, wet, and relentlessly physical. From late June through July, the East Asian monsoon dumps immense rain onto the surrounding mountains, turning steep neighborhood staircases into torrents and shrouding the suspension bridges in dense ocean fog. Rain here does not drizzle; it arrives in sudden, torrential bursts that bring outdoor wandering to a dead halt. When the sky clears in August, the humidity spikes dramatically, pushing apparent temperatures well into the thirties.

Despite the swelter, August draws a surging crowd of domestic beachgoers and music fans. The Busan International Rock Festival turns muddy park grounds into an open-air amphitheater of raw volume, while coastal waters provide the only real relief from the suffocating midday steam. September remains volatile, caught between late typhoons that fling ocean spray across seaside breakwaters and warm, drenched afternoons. If you come during these months, prepare to plan around sudden deluges and duck into market halls whenever the sea sky darkens.

Frequently asked questions

What is the best time to visit Busan?

The best time to visit Busan is October, May, with temperatures between 13 °C and 21 °C. The best month is October. October is low season.

What is the weather like in Busan?

Busan has a climate with an overall score of 5.3/10. Annual temperatures range from -2 °C to 29 °C.

What is the hottest month in Busan?

The hottest month in Busan is August, with average highs of 29 °C and lows of 24 °C.

What is the rainiest month in Busan?

The rainiest month in Busan is July, with an average of 269 mm of precipitation.