Ganghwa-gun, Incheon Climate
South Korea
Pop. 25,535 Elev. 15 m / 49 ft
TZ: Asia/Seoul (UTC+9) ·
Ganghwa-gun sees warm summers peaking at 87°F (31°C) in August, and frigid winters that bottom out around 22°F (-6°C) in February. Humidity pushes the summer feels-like temperature to 104°F (40°C), while wind chill can drive winter lows to 15°F (-9°C). Precipitation occurs on roughly 52 days per year (44.6 in / 1133 mm total), with snow on 2 days and 17 in (425 mm) of annual accumulation. The city averages 141 sunny days per year and around 25 thunderstorm days. Ocean water temperatures reach 83°F (28°C) in summer.
| Temperature | 30°C (87°F) high | -5°C (22°F) low |
| Feels like | 40°C (104°F) high | -10°C (15°F) low |
| Rain | 52 days | 1133 mm (44.6 in) /yr |
| Snow | 2 days | 425 mm (16.7 in) /yr |
| Sky | 141 sunny | 25 stormy |
| Wind | 1.5 m/s (3.4 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May
Sky & Air by Month
Cloud cover (%)
41
Jan 27
Feb 49
Mar 46
Apr 60
May 65
Jun 64
Jul 65
Aug 69
Sep 71
Oct 37
Nov 41
Dec Humidity (%)
65
Jan 59
Feb 64
Mar 71
Apr 75
May 77
Jun 81
Jul 82
Aug 80
Sep 77
Oct 69
Nov 66
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 31 km Incheon International Airport (ICN)
Ski resort 55 km 안산썰매장
National park 45 km 북한산국립공원
Mountain peak
(1,528 m) 140 km 추애산
Hospital 2 km 비에스종합병원장례식장
Hiking trail 19 km 평화누리길 6코스 (출판도시길)
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 3°C 37°F | -5°C 22°F | 7 mm 0.3 in | 134 mm5.3 in | 16 |
| February | 3°C 37°F | -5°C 22°F | 1 mm 0.0 in | 47 mm1.9 in | 19 |
| March | 11°C 52°F | 2°C 36°F | 26 mm 1.0 in | 169 mm6.7 in | 16 |
| April | 16°C 61°F | 8°C 46°F | 98 mm 3.9 in | 37 mm1.4 in | 15 |
| May | 20°C 68°F | 13°C 55°F | 77 mm 3.0 in | — | 8 |
| June | 26°C 79°F | 19°C 67°F | 155 mm 6.1 in | — | 5 |
| July | 30°C 86°F | 25°C 76°F | 162 mm 6.4 in | — | 9 |
| August | 30°C 87°F | 25°C 77°F | 183 mm 7.2 in | — | 7 |
| September | 27°C 80°F | 20°C 68°F | 202 mm 8.0 in | — | 2 |
| October | 20°C 67°F | 13°C 56°F | 170 mm 6.7 in | — | 7 |
| November | 13°C 55°F | 4°C 39°F | 15 mm 0.6 in | — | 19 |
| December | 4°C 40°F | -4°C 26°F | 36 mm 1.4 in | 38 mm1.5 in | 18 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 0 |
| February | 19 | 0 |
| March | 16 | 0 |
| April | 15 | 3 |
| May | 8 | 2 |
| June | 5 | 4 |
| July | 9 | 5 |
| August | 7 | 5 |
| September | 2 | 3 |
| October | 7 | 3 |
| November | 19 | 0 |
| December | 18 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 6°C 42°F | 1°C 33°F |
| February | 3°C 37°F | 0°C 33°F |
| March | 7°C 45°F | 2°C 36°F |
| April | 12°C 54°F | 9°C 49°F |
| May | 17°C 62°F | 15°C 60°F |
| June | 22°C 71°F | 22°C 71°F |
| July | 27°C 80°F | 27°C 81°F |
| August | 28°C 83°F | 28°C 82°F |
| September | 28°C 82°F | 24°C 76°F |
| October | 23°C 73°F | 17°C 62°F |
| November | 17°C 62°F | 9°C 48°F |
| December | 11°C 52°F | 3°C 38°F |