Busan, South Korea skyline

Busan Weather in August

The usual August conditions in Busan, South Korea, drawn from 2006–2025 records.

Busan in August: highs near 29°C (84.2°F), lows near 23.9°C (75°F), roughly 15 rainy days adding up to 196 mm, and 9.8 hours of sunshine on an average day.

Avg high

29°C (84.2°F)

Avg low

23.9°C (75°F)

Rainfall

196 mm (7.7 in)

Rainy days

15 days

Sunshine

9.8 h / day

Humidity

83%

August vs the rest of the year

No month in Busan is warmer than August; for rain it is the 2nd wettest month.

MonthAvg highvs AugustRainRainy days
January6.5°C (43.7°F)−22.5°C (−40.5°F)29 mm4
February8.5°C (47.3°F)−20.5°C (−36.9°F)49 mm6
March12.7°C (54.9°F)−16.3°C (−29.3°F)84 mm8
April17°C (62.6°F)−12°C (−21.6°F)112 mm8
May21.4°C (70.5°F)−7.6°C (−13.7°F)121 mm8
June24.5°C (76.1°F)−4.5°C (−8.1°F)164 mm10
July27.6°C (81.7°F)−1.4°C (−2.5°F)262 mm16
August29°C (84.2°F)—196 mm15
September25.2°C (77.4°F)−3.8°C (−6.8°F)188 mm11
October20.8°C (69.4°F)−8.2°C (−14.8°F)88 mm5
November14.8°C (58.6°F)−14.2°C (−25.6°F)49 mm5
December8.1°C (46.6°F)−20.9°C (−37.6°F)33 mm4

What August feels like in Busan

August is the height of summer in Busan — the warmest month of the year. Expect proper heat in the afternoon — slow down between noon and four. There is little difference between day and night: nights stay warm, and evenings feel much like the afternoon. The air is muggy, so it feels hotter than the thermometer suggests.

Rain in Busan in August

Dry days are the exception, with rain on about every other day. Rainy days are intense, averaging about 13.1 mm (0.5 in) — downpours rather than drizzle. The yearly figure is similar, around 13.8 mm per wet day. It is among the three wettest months of the year.

Daylight and sunshine in August

Mid-month, Busan gets 13 h 31 min of daylight, from sunrise near 5:43 am to sunset near 7:14 pm. Evenings are drawing in — 48 min less daylight than mid-July. Measured sunshine covers about 73% of the daylight — there are plenty of bright spells.

How August compares to the rest of the year

August is the warmest month of the year in Busan. Compared with July, afternoons are 1.4°C (2.5°F) warmer, with 67 mm less rain. After this the year turns: September is already cooler. By September, typical highs are 25.2°C (77.4°F).

Who August suits

  • Sightseeing: a good fit — daytime temperatures are fine for walking around.
  • Parks & outdoor: less ideal — afternoons are too warm to linger outside.
  • Beach: less ideal — too many rainy days.

Tips for visiting Busan in August

Rain Protection

Keep a small umbrella in your bag and wear shoes that cope with puddles.

Sun Protection

Protect yourself from strong sun: hat, SPF and plenty of water.

Quick questions

How warm is Busan in August?

It feels hot: typical highs are 29°C (84.2°F), with lows near 23.9°C (75°F).

Does it rain a lot in Busan in August?

Quite a lot — 196 mm spread over about 15 days.

What should I wear in Busan in August?

Pack rain protection and sun protection. There is little need to change for the evening.

Is August or September better for visiting Busan?

September, narrowly: it ranks #7 of 12 among Busan's months, against #9 for the other. September is cooler and has fewer rainy days.

Is August a good time to visit Busan?

Good

Good — warm to hot days, frequent rain (about 15 rainy days), plenty of sunshine (9.8 h a day). Within Busan's own year, August ranks #9 of 12.

August in other South Korea cities

Drier places in August

Plan a trip to Busan

Get a day-by-day weather score for your exact travel dates.

Open the Trip Planner

Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Busan weather by month.