Year-round weather and climate in Ansan-si, South Korea
Average temperatures in Ansan-si run from an average low of -6°C21°F in January up to an average high of 30°C86°F in August. February is the driest month at 4 rainy days; August the wettest at 18. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 623K
- Currency
- KRW
- Language
- Korean
- Time zone
- Seoul
Best time to visit
The most pleasant weather falls in April, May, and June, offering a perfect balance of comfortable temperatures and clear skies.
Rain character
Tropical Downpours: Expect intense bursts of rain during wetter months. Pack quick-drying footwear and a compact umbrella.
Day-to-night swing
Evening Chill: Temperatures drop by a noticeable 11°C20°F when the sun goes down. A light sweater or jacket is usually all you need for evening plans.
Seasonality Profile
True Four Seasons: Dramatic contrasts. Freezing winters, transitional shoulders, and blazing summers.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.
Average temperatures, sunshine, and rainfall
Average monthly weather in Ansan-si, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Feb is typically driest at 4 days (26mm); Aug the wettest at 18 days (208mm).
| Month | Average high | Average low | Sunshine hours | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 3°C / 37°F | -6°C / 22°F | 7h | 5 | 29mm |
| Feb | 5°C / 41°F | -4°C / 26°F | 8h | 4 | 26mm |
| Mar | 12°C / 53°F | 1°C / 34°F | 9h | 7 | 35mm |
| Apr | 18°C / 65°F | 7°C / 45°F | 9h | 8 | 76mm |
| May | 22°C / 71°F | 12°C / 54°F | 9h | 8 | 124mm |
| Jun | 27°C / 80°F | 18°C / 64°F | 10h | 10 | 137mm |
| Jul | 30°C / 85°F | 23°C / 73°F | 8h | 17 | 343mm |
| Aug | 30°C / 87°F | 23°C / 74°F | 10h | 18 | 208mm |
| Sep | 27°C / 80°F | 19°C / 67°F | 8h | 13 | 221mm |
| Oct | 20°C / 67°F | 11°C / 52°F | 7h | 9 | 79mm |
| Nov | 12°C / 54°F | 3°C / 37°F | 8h | 6 | 75mm |
| Dec | 4°C / 40°F | -4°C / 25°F | 7h | 7 | 43mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Ansan-si?
The most sunshine in Ansan-si comes around August, averaging 10 hours a month. If you're heading there then, pack your sunglasses and sunscreen.
What clothes should I pack for Ansan-si?
Your packing list depends entirely on when you travel. Temperatures in Ansan-si swing from an average low of -6°C21°F in January up to 30°C86°F in August. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Ansan-si?
Ansan-si gets rain on about 112 days out of the year. The wettest month is August. If you're traveling during the rainy season, you'll definitely want to pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Ansan-si with Packola.
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