Cheonan vs Koch'ang Climate
95%matchOn climate, Koch'ang is a 95% match for Cheonan. Compared with Cheonan, Koch'ang has the same summer highs and 5°F (3°C) milder winter nights.
Cheonan gets 47 in (1201 mm) of rain a year and Koch'ang 44 in (1113 mm). August is the warmest month in both, with highs of 87°F (31°C) in Cheonan and 87°F (30°C) in Koch'ang.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
CheonanKoch'angsolid = high, dashed = low
Rain (in per month)
CheonanKoch'ang
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Cheonan | Koch'ang | Cheonan | Koch'ang | Cheonan | Koch'ang | |
| Jan | 37°F(3°C) | 41°F(5°C) | 18°F(-8°C) | 24°F(-4°C) | 0.9 in(22 mm) | 1.1 in(28 mm) |
| Feb | 42°F(6°C) | 45°F(7°C) | 22°F(-5°C) | 27°F(-3°C) | 1.1 in(28 mm) | 1.3 in(33 mm) |
| Mar | 53°F(12°C) | 55°F(13°C) | 31°F(0°C) | 33°F(1°C) | 1.7 in(43 mm) | 1.9 in(49 mm) |
| Apr | 66°F(19°C) | 66°F(19°C) | 42°F(6°C) | 43°F(6°C) | 3.1 in(78 mm) | 3.1 in(78 mm) |
| May | 76°F(25°C) | 75°F(24°C) | 54°F(12°C) | 54°F(12°C) | 3.2 in(82 mm) | 3.1 in(79 mm) |
| Jun | 83°F(28°C) | 81°F(27°C) | 64°F(18°C) | 63°F(17°C) | 5.2 in(132 mm) | 5.4 in(137 mm) |
| Jul | 86°F(30°C) | 85°F(29°C) | 71°F(22°C) | 71°F(22°C) | 12 in(300 mm) | 8.2 in(209 mm) |
| Aug | 87°F(31°C) | 87°F(30°C) | 71°F(22°C) | 72°F(22°C) | 10 in(261 mm) | 9.3 in(237 mm) |
| Sep | 79°F(26°C) | 80°F(27°C) | 60°F(16°C) | 62°F(17°C) | 5.3 in(134 mm) | 5.4 in(136 mm) |
| Oct | 69°F(21°C) | 71°F(22°C) | 46°F(8°C) | 49°F(10°C) | 2.0 in(52 mm) | 2.0 in(51 mm) |
| Nov | 55°F(13°C) | 58°F(15°C) | 34°F(1°C) | 38°F(4°C) | 1.7 in(43 mm) | 1.7 in(43 mm) |
| Dec | 41°F(5°C) | 45°F(7°C) | 22°F(-5°C) | 28°F(-2°C) | 1.0 in(26 mm) | 1.3 in(33 mm) |
1991–2020 averages, by calendar month.