Koesan, South Korea Climate
South Korea
Pop. 44,461 Elev. 116 m / 381 ft
TZ: Asia/Seoul (UTC+9) ·
Koesan has a dry climate with warm summers reaching 89°F (32°C) in July and cold winters averaging 20°F (-7°C) in February. Humidity pushes the summer feels-like temperature to 105°F (41°C), while wind chill can drive winter lows to 12°F (-11°C). Rain falls on about 47 days per year (50.1 in / 1274 mm total), with snow on 3 days and 20 in (506 mm) of annual accumulation. The city averages 129 sunny days per year and around 24 thunderstorm days. Nearby lake water reaches 80°F (26°C) in summer.
| Temperature | 31°C (89°F) high | -7°C (20°F) low |
| Feels like | 40°C (105°F) high | -11°C (12°F) low |
| Rain | 47 days | 1274 mm (50.1 in) /yr |
| Snow | 3 days | 506 mm (19.9 in) /yr |
| Sky | 129 sunny | 24 stormy |
| Wind | 1.3 m/s (3.0 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May
Sky & Air by Month
Cloud cover (%)
43
Jan 32
Feb 53
Mar 48
Apr 62
May 69
Jun 60
Jul 68
Aug 76
Sep 75
Oct 33
Nov 44
Dec Humidity (%)
62
Jan 53
Feb 55
Mar 53
Apr 64
May 65
Jun 72
Jul 78
Aug 80
Sep 78
Oct 63
Nov 62
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 29 km Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ)
Ski resort 37 km
National park 23 km 속리산국립공원
Mountain peak
(1,522 m) 105 km 설천봉
Hospital 0 km 호암병원
Hiking trail 14 km 한남금북정맥
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 3°C 38°F | -6°C 22°F | 7 mm 0.3 in | 122 mm4.8 in | 17 |
| February | 3°C 38°F | -7°C 20°F | 3 mm 0.1 in | 65 mm2.6 in | 20 |
| March | 13°C 55°F | 2°C 36°F | 39 mm 1.5 in | 198 mm7.8 in | 11 |
| April | 19°C 67°F | 7°C 45°F | 68 mm 2.7 in | 57 mm2.3 in | 12 |
| May | 22°C 72°F | 12°C 53°F | 94 mm 3.7 in | — | 8 |
| June | 28°C 83°F | 19°C 67°F | 244 mm 9.6 in | — | 4 |
| July | 31°C 89°F | 23°C 74°F | 209 mm 8.2 in | — | 10 |
| August | 31°C 88°F | 24°C 74°F | 109 mm 4.3 in | — | 5 |
| September | 26°C 79°F | 19°C 66°F | 253 mm 10.0 in | — | 1 |
| October | 20°C 68°F | 13°C 55°F | 204 mm 8.0 in | — | 3 |
| November | 13°C 56°F | 2°C 36°F | 12 mm 0.5 in | 1 mm0.0 in | 23 |
| December | 5°C 41°F | -4°C 25°F | 32 mm 1.3 in | 63 mm2.5 in | 15 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 17 | 0 |
| February | 20 | 0 |
| March | 11 | 0 |
| April | 12 | 0 |
| May | 8 | 3 |
| June | 4 | 4 |
| July | 10 | 4 |
| August | 5 | 2 |
| September | 1 | 7 |
| October | 3 | 4 |
| November | 23 | 0 |
| December | 15 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 1°C 35°F |
| February | 0°C 32°F |
| March | 1°C 33°F |
| April | 5°C 41°F |
| May | 9°C 47°F |
| June | 15°C 60°F |
| July | 23°C 73°F |
| August | 26°C 80°F |
| September | 24°C 75°F |
| October | 18°C 64°F |
| November | 10°C 50°F |
| December | 5°C 41°F |