Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
Gunsan Weather in October
In Gunsan, October brings pleasant daytime temperatures around 21°C (70°F), with nights cooling to 13°C (55°F). Some rainfall is to be expected.
Rainfall in Gunsan in October
You can expect rain on around 6 days based on historical patterns, with 59 mm (2.3 in) average for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Gunsan in October
If you're visiting Gunsan in October, expect excellent temperatures with highs of 21°C (70°F) and overnight lows of 13°C (55°F). Conditions are often most pleasant around the middle of the day. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Gunsan in October
Enjoy a sunny month with about 225 hours of sunshine, the clear skies make Gunsan even more beautiful.If you're a fan of comfortable temperatures and drier conditions, October is a great time to visit.
Gunsan Temperature in October
Min Temperature
13°C (55°F)
Max Temperature
21°C (70°F)
Chance of Rain
21%
Precipitation
59 mm (2.3 in)
Rainy days
6 days
Humidity
74% *
Sunshine
225 hours *
Percentage Sunshine
65% *
* Data from: Buan, South Korea (44 KM, 27 Miles).
Gunsan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gunsan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gunsan typically drop from around 23°C (73°F) at the start of October to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 15°C (59°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather records for Gunsan in October
Browse day-by-day weather records for Gunsan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gunsan historical weather extremes in October
Based on 49 years of weather observations in Gunsan between 1976 and 2025, these are the recorded extremes.
- On October 3, 2021, temperatures climbed to 31°C (88°F), marking the warmest October day on record.
- The lowest daytime temperature in October was 9°C (48°F), recorded on October 28, 2002.
- Nighttime temperatures dropped to 1°C (34°F) on October 17, 1999, marking the coldest October night on record.
Best Places in South Korea in October
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in October →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Gunsan in October
For Gunsan in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Gunsan in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping8/10 -
Outdoor sports10/10
Gunsan 3-Day Forecast
More climate data for Gunsan
Temperature Rainfall Sunshine Humidity
See the full Gunsan climate overview or explore weather in South Korea.
Popular in October
Where to go in October - average daytime high across popular destinations.
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Mud festival in South Korea
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