If you ask people who know Busan when to visit, many will say October. After the heat, humidity and storms of summer, the city settles into its finest weather of the year: warm, dry, sunny days, cool and clear evenings, and almost no rain. It is the most comfortable month to be outdoors — for the beaches, the coastal walks, the markets and the mountains — and it comes with two big bonuses. First, the Busan International Film Festival (BIFF), one of Asia’s largest, turns the city into a buzzing film hub in early-to-mid October. Second, the autumn colours begin to turn, building toward their peak in early November, so you catch the start of the season at temples, parks and on the mountainsides. The only trade-offs are that the sea is too cool for swimming and the BIFF period gets busier, but neither is a real drawback. This guide covers the weather week by week, BIFF and how to enjoy it, where to see early autumn colour, the best of outdoor Busan, the beaches in autumn, other October events, what to pack, and a smart day plan — plus how October compares with September and November. Build it into the rest of your trip with our complete Busan Travel Guide.

1. Is October a good time to visit Busan?

October is arguably the best month of the year to visit Busan. The summer heat, humidity and typhoons are gone, and in their place comes the city’s most reliable run of warm, dry, sunny days and cool, clear nights. Rain is rare, the skies are blue, and being outdoors — on the beaches, the coastal trails, in the markets and up the mountains — is at its most comfortable. On top of the weather, you get two of Busan’s best annual draws: the Busan International Film Festival and the first turning of the autumn colours.

There is very little on the downside. The sea has cooled too much for swimming, so this is not a beach-bathing month, and the BIFF period (early-to-mid October) brings more visitors and higher hotel prices in the festival areas. But for almost everything else — sightseeing, walking, hiking, eating, festival-going — October is hard to beat.

2. Busan weather in October, in detail

October is a steady, gentle cool-down from early-autumn warmth to proper crisp autumn by month’s end — and it stays dry and clear throughout:

Daytime highs ease from around 25°C early in the month to about 20°C by the end, with overnight lows dropping noticeably — from the mid-teens early on to around 9–12°C late in the month. Crucially, October is one of the driest, sunniest months of the year: rainfall is light (around 90 mm over just a handful of days), humidity is low, and clear blue skies are the norm. It is the kind of weather that makes everything outdoors a pleasure.

3. BIFF: the Busan International Film Festival

The big event of October — and one of Busan’s flagship moments of the whole year — is the Busan International Film Festival (BIFF), one of the largest and most respected film festivals in Asia. In 2026 it runs 6–15 October, centred on the striking Busan Cinema Center (Dureraum) in Centum City, with screenings across the city.

• What it is: ten days of film premieres, screenings, talks and red-carpet events, drawing filmmakers and fans from across Asia and beyond. The atmosphere around Centum City and the beaches is electric.
• How to join in: tickets to individual screenings go on sale ahead of the festival and can be booked online; even without tickets, the festival buzz, outdoor events and Cinema Center are worth experiencing.
• Where it happens: the Busan Cinema Center in Centum City is the heart, with the giant cantilevered LED roof; Haeundae and the surrounding area are festival hubs too.
• Book ahead: hotels near Centum City and Haeundae fill up and rise in price during BIFF, so reserve early if your dates overlap.

4. Autumn colour in & around Busan

October is when Busan starts to turn. As a southern, coastal city its colours come a little later than inland Korea — the season begins in October and peaks in early November — so October gives you the lovely build-up, with the mountains and temple grounds beginning to glow:

• Geumjeongsan & Beomeosa: the mountain and its historic temple in the north of the city are Busan’s classic autumn spot, with maples that deepen through late October into November.
• Mountains & parks: the city’s hills, parks and hiking trails start to colour up, making October ideal for an autumn walk with comfortable temperatures.
• Temples & gardens: temple grounds and gardens around the city take on warm tones as the month goes on.
• Timing: for the strongest colour, aim for the very end of October into early November; earlier in the month the colours are just starting.

5. The best outdoor weather of the year

With warm, dry days and low humidity, October is simply the most comfortable month to be out and about in Busan. This is the time to do all the active, outdoor things the summer heat made hard work:

• Hiking: Geumjeongsan, Jangsan and the city’s trails are at their best — cool, clear and increasingly colourful.
• Coastal walks & viewpoints: the seaside cliff paths, Oryukdo, Igidae, the Galmaetgil coastal trails and the city’s viewpoints are glorious under clear October skies.
• Sightseeing in comfort: Gamcheon Culture Village, the temples, the markets and downtown are all at their most pleasant without summer heat or winter cold.
• Long, clear days out: the dry, sunny weather is perfect for full days of exploring, from morning markets to sunset viewpoints.

6. The beaches in October

October is not a swimming month — the sea has cooled and the official beach season ended back in August — but Busan’s beaches are still very much worth your time, just in a different way:

• Beautiful for walks: Haeundae, Gwangalli, Songjeong and Songdo are calm, spacious and lovely for long walks under clear autumn skies.
• The seafront scene: the beachfront cafés, restaurants and views are at their best in the comfortable October weather, minus the summer crowds.
• Gwangalli & the bridge: the view of the Gwangan Bridge, especially lit up at dusk, is a year-round highlight and especially pleasant on a crisp October evening.
• Surfers still out: Songjeong keeps a surf scene going into autumn for those who want to be in the water in a wetsuit.

7. Other October events & what’s on

Beyond BIFF, October is a busy, festive month as Busan and the wider region celebrate autumn:

• Autumn festivals: the city and region run a full programme of autumn cultural events, food and music festivals through October — check the official tourism calendar for your dates.
• Fireworks season approaches: the spectacular Busan Fireworks Festival at Gwangalli usually takes place in late October or November (recent years in November) — see our November guide and confirm the year’s date.
• Around the country: October is peak festival season across Korea, so it is a great time to combine Busan with day trips or onward travel.
• Check the dates: exact event dates change each year, so look up Busan’s official tourism event calendar for your travel days.

8. What to pack for October

October means warm days and cool evenings, with little rain, so pack layers and something for after dark:

• Layers: t-shirts and light tops for the warm days, with a sweater or long-sleeve to add as it cools.
• A light jacket: essential for cool mornings and evenings, especially later in the month.
• Comfortable walking shoes: this is a month for walking and hiking, so bring footwear you can cover ground in.
• A light scarf (late month): handy for the cooler late-October evenings.
• Sun protection: the sun is gentler than summer but the skies are clear, so keep sunscreen and sunglasses.
• A small umbrella: rain is rare but not impossible — a compact umbrella covers the odd shower.

9. A smart October itinerary & the verdict

October rewards an ambitious, outdoor-focused plan. Here is how the autumn trio compares, then a simple template:

• Outdoors first: use the superb weather for a mountain hike, the coastal trails and long days of sightseeing.
• Catch the colour: head to Geumjeongsan and Beomeosa or the city’s parks for the start of autumn colour, strongest at month’s end.
• Soak up BIFF: if your dates overlap the festival, book screenings ahead and enjoy the buzz around the Cinema Center and Haeundae.
• Evenings: cool but comfortable — perfect for the lit Gwangan Bridge, seafront dinners and the markets.

The verdict: October is, for many, the best month to visit Busan — the driest, clearest, most comfortable weather of the year, the buzz of the Busan International Film Festival, and the first glow of autumn colour. The sea is too cool for swimming and BIFF brings crowds, but those are small prices for a month this good. Come for the weather, the festival and the colour, and plan it all with our complete Busan Travel Guide.

Busan in October FAQ

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