Ansan Weather in October
Ansan in October averages 20°C (68°F) during the day and 12°C (54°F) at night. Some rainfall is typical for this time of year.
Rainfall in Ansan in October
You can expect rain on around 7 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 Ansan in October
If you're visiting Ansan in October, expect perfect temperatures with highs of 20°C (68°F) and overnight lows of 12°C (54°F). Conditions are often most pleasant around the middle of the day. With lows of 12°C (54°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 Ansan in October
Expect sunny days throughout the month, with an estimated 218 hours of sunshine. This makes it a pleasant time to visit Ansan.If you're inclined towards comfortable temperatures and drier conditions, October is a good time to visit Ansan.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Ansan's climate page.
Ansan Temperature in October
Min Temperature
12°C (54°F)
Max Temperature
20°C (68°F)
Chance of Rain
22%
Precipitation
59 mm (2.3 in)
Rainy days
7 days
Humidity
66% *
Sunshine
218 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ansan 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 for Ansan in October
Browse day-by-day weather records for Ansan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ansan historical weather extremes in October
According to our 49 years of weather records for Ansan, the following extremes were recorded between 1976 and 2025.
- On October 1, 1978, temperatures climbed to 29°C (84°F), marking the warmest October day on record.
- The lowest daytime temperature in October was 6°C (43°F), recorded on October 23, 1981.
- Nighttime temperatures dropped to -4°C (25°F) on October 29, 2002, 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
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unpleasant
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What to Wear in Ansan in October
Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Ansan in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Ansan's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ansan climate overview or explore weather in South Korea.
