Monthly Iwŏn-ŭp water temperature chart
The bar chart below shows the average monthly sea temperatures at Iwŏn-ŭp over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 5.3 | 4.7 | 4.3 | 6.7 | 10.9 | 16.8 | 21.0 | 22.3 | 20.5 | 17.1 | 12.1 | 7.5 |
| °F | 41.5 | 40.5 | 39.7 | 44.1 | 51.6 | 62.2 | 69.8 | 72.1 | 68.9 | 62.8 | 53.8 | 45.5 |
Monthly average max / min water temperatures
The graph below shows the range of monthly water temperatures over several years.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 3.1 | 2.5 | 1.9 | 3.6 | 6 | 12.3 | 19.1 | 20.3 | 18 | 14.1 | 8.6 | 4.5 |
| Max °C | 7.5 | 7 | 6.7 | 9.8 | 15.9 | 21.4 | 23 | 24.4 | 23.1 | 20.2 | 15.7 | 10.5 |
| Min °F | 39.3 | 38.3 | 37.3 | 41 | 46.7 | 57.7 | 67.9 | 70.1 | 66.4 | 59.8 | 50.3 | 42.5 |
| Max °F | 43.7 | 42.8 | 42.1 | 47.2 | 56.6 | 66.8 | 71.8 | 74.2 | 71.5 | 65.9 | 57.4 | 48.5 |