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Suncheon, South Korea climate
Cwa Monsoon-influenced humid subtropical
Suncheon has a seasonal mild-temperate climate (Monsoon-influenced humid subtropical, Köppen Cwa). The hottest month is August with an average daily high near 84°F, while the coldest is January averaging around 31°F at night. Precipitation totals about 61 inches a year and is strongly seasonal — August alone averages 11.6 inches while January barely receives 1.09 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Suncheon climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 44 | 47 | 54 | 63 | 71 | 76 | 81 | 84 | 78 | 70 | 59 | 48 |
| Avg temp (°F) | 37 | 40 | 47 | 56 | 64 | 71 | 77 | 79 | 73 | 64 | 52 | 41 |
| Avg low (°F) | 31 | 33 | 40 | 49 | 58 | 66 | 72 | 74 | 68 | 57 | 46 | 35 |
| Precipitation (in) | 1.1 | 1.8 | 3.4 | 5.3 | 5.7 | 7.8 | 11.6 | 11.6 | 6.4 | 2.7 | 2.1 | 1.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 44 | 47 | 54 | 63 | 71 | 76 |
| Avg temp (°F) | 37 | 40 | 47 | 56 | 64 | 71 |
| Avg low (°F) | 31 | 33 | 40 | 49 | 58 | 66 |
| Precipitation (in) | 1.1 | 1.8 | 3.4 | 5.3 | 5.7 | 7.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 81 | 84 | 78 | 70 | 59 | 48 |
| Avg temp (°F) | 77 | 79 | 73 | 64 | 52 | 41 |
| Avg low (°F) | 72 | 74 | 68 | 57 | 46 | 35 |
| Precipitation (in) | 11.6 | 11.6 | 6.4 | 2.7 | 2.1 | 1.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 61 | 59 | 57 | 59 | 72 | 71 | 63 | 61 | 48 | 54 | 59 |
| Relative humidity (%) | 76 | 72 | 72 | 76 | 80 | 85 | 90 | 86 | 79 | 73 | 73 | 75 |
| Wind speed (mph) | 12.6 | 11.9 | 11.0 | 9.7 | 8.4 | 7.6 | 8.1 | 8.7 | 9.7 | 10.1 | 10.5 | 12.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 61 | 59 | 57 | 59 | 72 |
| Relative humidity (%) | 76 | 72 | 72 | 76 | 80 | 85 |
| Wind speed (mph) | 12.6 | 11.9 | 11.0 | 9.7 | 8.4 | 7.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 63 | 61 | 48 | 54 | 59 |
| Relative humidity (%) | 90 | 86 | 79 | 73 | 73 | 75 |
| Wind speed (mph) | 8.1 | 8.7 | 9.7 | 10.1 | 10.5 | 12.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Yeosu, a weather station, about 34 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.