Sacheon weather by month & the best time to visit
South Korea · major coastal city · humid subtropical climate
The best time to visit Sacheon is October — its sunniest month (Sunshine Score 78/100). Sacheon averages about 2,112 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 73 mm of rain in October.
When is the best time to visit Sacheon?
For sunshine, the best time to visit Sacheon is October. The dullest month is January (0/100, 28 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sacheon?
Sacheon gets a moderate 2,112 hours of sunshine a year. 78 Sunshine Score points separate October (78) from January (0), so the month you pick matters. It ranks #2 of 14 destinations in South Korea for annual sunshine, above the national median of 1,959 hours. Rain has a clear season: the wettest stretch, around July, carries about 49% of the annual 1,472 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 5° / 41°F | -3° / 27°F | 28 mm | 2 | 6° / 43°F |
| February | 0 | 8° / 46°F | -1° / 30°F | 50 mm | 3 | 7° / 45°F |
| March | 32 | 13° / 55°F | 2° / 36°F | 76 mm | 4 | 10° / 50°F |
| April | 56 | 18° / 64°F | 8° / 46°F | 133 mm | 5 | 16° / 61°F |
| May | 65 | 23° / 73°F | 13° / 55°F | 140 mm | 6 | 20° / 68°F |
| June | 64 | 26° / 79°F | 18° / 64°F | 175 mm | 6 | 24° / 75°F |
| July | 64 | 28° / 82°F | 22° / 72°F | 299 mm | 6 | 26° / 79°F |
| August | 64 | 30° / 86°F | 23° / 73°F | 251 mm | 6 | 30° / 86°F |
| September | 64 | 26° / 79°F | 18° / 64°F | 171 mm | 5 | 30° / 86°F |
| October | 78 | 21° / 70°F | 12° / 54°F | 73 mm | 4 | 23° / 73°F |
| November | 41 | 14° / 57°F | 6° / 43°F | 45 mm | 2 | 18° / 64°F |
| December | 0 | 7° / 45°F | -1° / 30°F | 31 mm | 2 | 12° / 54°F |
Sea temperature in Sacheon by month
The sea off Sacheon is warmest in August at around 30°C / 86°F, and coolest in January at 6°C / 43°F. The water sits at a comfortable 21°C or warmer roughly 5 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Sacheon: questions and answers
What kind of destination is Sacheon?
Sacheon is a major coastal city in South Korea with a humid subtropical climate — the sea reaches 30°C at its warmest and is swimmable (21°C+) about 5 months a year.
How many hours of sunshine does Sacheon get a year?
Sacheon gets about 2,112 hours of sunshine a year, at its best around October.
When is the best time to visit Sacheon?
The sunniest time to visit Sacheon is October, when the Sunshine Score peaks at 78/100. Expect daytime highs around 21°C / 70°F.
What is the least sunny month in Sacheon?
January is the least sunny month in Sacheon, scoring 0/100 with about 28 mm of rain.
What is the sea temperature in Sacheon?
The sea in Sacheon ranges from about 6°C (January) to 30°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Sacheon?
The typical midday UV index in Sacheon peaks around 6 (high) in May, easing to about 2 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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