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Asan Weather in October
October in Asan brings pleasant temperatures, with highs of 21°C (70°F) and nights dropping to 10°C (50°F). With excellent weather conditions overall, it's a good time to visit.
Rainfall in Asan in October
Looking at the last 30 years, the data shows about 7 days with rain, averaging 57 mm (2.2 in) 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 Asan in October
Asan in October is worth a visit. The temperature is excellent, with 21°C (70°F) during the day and 10°C (50°F) at night. Conditions are often most pleasant around the middle of the day. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Asan in October
The city usually sees around 215 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you're a fan of comfortable temperatures and drier conditions, October is a great time to visit.
Asan Temperature in October
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
23%
Precipitation
57 mm (2.2 in)
Rainy days
7 days
Humidity
73% *
Sunshine
215 hours *
Percentage Sunshine
62% *
* Data from: Cheonan, South Korea (13 KM, 8 Miles).
Asan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Asan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Asan 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 5°C (41°F) to 13°C (55°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 Asan in October
Browse day-by-day weather records for Asan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Asan historical weather extremes in October
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Asan.
- Asan recorded its highest October temperature of 29°C (84°F) on October 3, 2021.
- The lowest overnight temperature recorded in October was -3°C (27°F) (October 29, 2002).
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 Asan in October
Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Asan 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 -
Camping4/10 -
Outdoor sports10/10
Asan 3-Day Forecast
More climate data for Asan
Temperature Rainfall Sunshine Humidity
See the full Asan 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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