Ansan-si, Gyeonggi-do Climate
South Korea
Pop. 623,256 Elev. 15 m / 49 ft
TZ: Asia/Seoul (UTC+9) ·
Ansan-si has mild summers with average highs of 83°F (28°C) in August, and cold winters averaging 26°F (-3°C) in February. Humidity pushes the summer feels-like temperature to 94°F (34°C), while wind chill can drive winter lows to 18°F (-8°C). Rain falls on about 58 days per year (56.7 in / 1440 mm total), with snow on 1 days and 15 in (382 mm) of annual accumulation. The city averages 118 sunny days per year and around 30 thunderstorm days. Ocean water temperatures reach 82°F (28°C) in summer.
| Temperature | 28°C (83°F) high | -3°C (26°F) low |
| Feels like | 34°C (94°F) high | -8°C (18°F) low |
| Rain | 58 days | 1440 mm (56.7 in) /yr |
| Snow | 1 days | 382 mm (15.0 in) /yr |
| Sky | 118 sunny | 30 stormy |
| Wind | 1.9 m/s (4.3 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Jun
Sky & Air by Month
Cloud cover (%)
47
Jan 36
Feb 49
Mar 45
Apr 57
May 67
Jun 62
Jul 62
Aug 70
Sep 71
Oct 39
Nov 47
Dec Humidity (%)
68
Jan 64
Feb 70
Mar 75
Apr 79
May 83
Jun 84
Jul 86
Aug 78
Sep 76
Oct 67
Nov 67
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 26 km Gimpo International Airport (GMP)
Ski resort 2 km 안산썰매장
National park 40 km 북한산국립공원
Mountain peak
(1,528 m) 172 km 추애산
Hospital 0 km 고려대학교안산병원
Hiking trail 16 km [서울둘레길] 13코스
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 2°C 36°F | -2°C 28°F | 8 mm 0.3 in | 147 mm5.8 in | 10 |
| February | 1°C 34°F | -3°C 26°F | 3 mm 0.1 in | 59 mm2.3 in | 12 |
| March | 8°C 47°F | 3°C 38°F | 41 mm 1.6 in | 130 mm5.1 in | 15 |
| April | 13°C 55°F | 8°C 47°F | 106 mm 4.2 in | 20 mm0.8 in | 15 |
| May | 17°C 63°F | 13°C 56°F | 91 mm 3.6 in | — | 10 |
| June | 23°C 73°F | 20°C 67°F | 139 mm 5.5 in | — | 4 |
| July | 28°C 83°F | 25°C 77°F | 260 mm 10.2 in | — | 11 |
| August | 28°C 83°F | 26°C 78°F | 219 mm 8.6 in | — | 5 |
| September | 25°C 78°F | 22°C 71°F | 299 mm 11.8 in | — | 1 |
| October | 19°C 67°F | 15°C 59°F | 211 mm 8.3 in | — | 6 |
| November | 12°C 54°F | 7°C 44°F | 19 mm 0.8 in | 0 mm0.0 in | 16 |
| December | 5°C 41°F | -1°C 31°F | 44 mm 1.7 in | 25 mm1.0 in | 13 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 10 | 0 |
| February | 12 | 0 |
| March | 15 | 0 |
| April | 15 | 1 |
| May | 10 | 3 |
| June | 4 | 4 |
| July | 11 | 5 |
| August | 5 | 6 |
| September | 1 | 6 |
| October | 6 | 3 |
| November | 16 | 1 |
| December | 13 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 6°C 42°F | 0°C 32°F |
| February | 3°C 38°F | 0°C 32°F |
| March | 7°C 45°F | 2°C 36°F |
| April | 13°C 55°F | 10°C 50°F |
| May | 17°C 63°F | 16°C 60°F |
| June | 23°C 74°F | 22°C 71°F |
| July | 27°C 81°F | 28°C 82°F |
| August | 28°C 82°F | 28°C 83°F |
| September | 28°C 82°F | 24°C 76°F |
| October | 23°C 74°F | 18°C 64°F |
| November | 17°C 63°F | 9°C 48°F |
| December | 11°C 52°F | 2°C 36°F |