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Busan in October: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Busan in October will be like? Take a look at our weather guide for Busan, based on historical data.
Check flight prices to Busan on Avionero:
October

Weather in Busan in October 2025

Good Weather
Mild
☀️
Sunny
Planning a trip to Busan in October? You are in luck! The weather is generally good, with an average maximum temperature of +20°C and approximately 12 sunny days. Just be prepared for some rain, as there are usually around 8 rainy days and 65 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+20°C
Avg. max. temperature
+4°C
Min.
+29°C
Max.
65 mm
Total precipitation
69%
Avg. humidity
2 m/s
Avg. wind
12 ☀️
Sunny Days
11 ⛅️
Cloudy
8 🌦
Rainy
Our opinion: Busan has good weather in October.

Average temperature in Busan in October

Here are the expected maximum, average and minimum temperatures in Busan for October based on the historical data.
Last Year
Historical Data

Going from a maximum of +24°C during the day to a minimum of +11°C during the night, the temperature in October averages around +21°C.

The average maximum temperature goes down 31% by the end of the month, compared with the beginning of the month, from +24°C to +20°C.

Is Busan warm or cold in October?

Busan is typically mild in October.

Maximum temperatures go down compared to the previous month from +25°C to +20°C. The minimum temperature also goes down from +21°C to +15°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how October is compared to other months in Busan:

Climate in Busan in October

Busan weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+25°C+20°C+15°C
Min. temperature
+12°C+4°C-2°C
Max. temperature
+33°C+29°C+24°C
Rainfall
165 mm65 mm47 mm
Wind
2 m/s2 m/s2 m/s
Humidity
77%69%63%
Air pressure
1012 HPa1017 HPa1020 HPa
Sunny days
51215
Cloudy days
10118
Rainy days
1487
Snowy days
000

October often has better weather than September. It’s getting colder in October. From +25°C in the day, the average maximum temperature lowers to +20°C. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 165 mm to 65 mm. It feels drier, as humidity decreases from 77% to 69%. The average wind speed doesn’t change much during October, staying around 2 m/s. The good news is there are likely to be more sunny days in October, from 5 to 12.

November brings much the same weather, it remains good.

Wind

Wind speed in Busan in October based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Busan is gradually increasing during October, going from 2 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Busan based on historical data.
Last Year
Historical Data
Typically, there is a 6% chance of rain on an average day in October, with total rainfall of approximately 2 mm. The maximum amount of rainfall per day is around 1 mm, which is considered light rain. Busan is amazing in October with as little as 2 rainy days on average, so plan adventures in the great outdoors.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Busan wettest month is July, where a typical day has a 61% chance of precipitation and 233 mm of rainfall per day. December, on the other hand, is the driest month with a mere 16% chance of precipitation and 25 mm of rainfall per day.

How was the weather last October in Busan?

This is the weather in Busan in October 2023:
1 October
☀️
+24°C
2 October
☀️
+23°C
3 October
☁️
+23°C
4 October
☀️
+24°C
5 October
☀️
+20°C
6 October
☁️
+21°C
7 October
☁️
+22°C
8 October
☁️
+21°C
9 October
☁️
+22°C
10 October
☁️
+21°C
11 October
☀️
+21°C
12 October
☁️
+22°C
13 October
☁️
+21°C
14 October
☀️
+22°C
15 October
☀️
+22°C
16 October
☀️
+21°C
17 October
☀️
+20°C
18 October
☁️
+21°C
19 October
☁️
+21°C
20 October
☀️
+18°C
21 October
☀️
+18°C
22 October
☀️
+18°C
23 October
☀️
+20°C
24 October
☀️
+19°C
25 October
☀️
+21°C
26 October
☀️
+21°C
27 October
☀️
+20°C
28 October
☀️
+19°C
29 October
☁️
+19°C
30 October
☀️
+20°C
31 October
☀️
+20°C
In October 2023 Busan had 20 sunny days, 11 cloudy days, and 0 rainy days. The average maximum temperature was +21°C, with an absolute maximum of +24°C and a minimum of +18°C. The average humidity was 68%, with a maximum of 100% and a minimum of 32%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change over Years

This is how Busan climate have been changing during last 43 years period.

The climate in Busan in October has not changed much over the last 43 years.

The average temperature was the lowest in 1980 (+16°C) and the highest in 2019 (+20°C). The driest year was 2008 with only 733 mm of rainfall, and the wettest year was 1999 with 2001 mm.

FAQ

Frequently asked questions about the weather in Busan in October:

Is October a good time to visit Busan?

October is a really good time to go to Busan. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Busan.

Can you sunbathe in Busan in October?

October has mild temperatures in Busan. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Busan rainy in October?

Busan is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Busan in October?

The amount of sunny days in Busan during October varies; prepare for a mix of clouds and sun.

Other cities in South Korea

Check out the weather for other cities in South Korea.

Monthly weather in Busan

Source of the data

For this page, we’ve looked at the typical weather in Busan, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.