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Level 1Exercise normal precautions
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When to go · Climate guide
South Koreawhen to go
South Korea's national averages run from 4 °C in January to 30 °C in August, with rainfall between 31 mm in January and 251 mm in July and 4.5–7.2 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are May, October and January. Its 17 regions span 16–19 °C in annual mean temperature, so the national figure hides a good deal.
- Capital
- Seoul
- Region
- Asia
- TZ
- Asia/Seoul
- Area
- 97,172 km²
Best months to visit
When South Korea shines
Climate at a glance · 10-year ERA5
A decade of weather, in one page
— daytime high— overnight low▬ typical range
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 3.9 | -4.6 | -11.6 | 9.5 |
| February | 6.1 | -2.7 | -8.7 | 13.1 |
| March | 12.5 | 2.7 | -2.5 | 19.9 |
| April | 18.0 | 8.0 | 2.4 | 24.0 |
| May | 22.5 | 12.9 | 7.7 | 27.2 |
| June | 26.2 | 18.2 | 14.1 | 30.1 |
| July | 28.7 | 22.6 | 18.9 | 32.8 |
| August | 29.6 | 23.0 | 18.6 | 33.1 |
| September | 25.4 | 18.1 | 12.9 | 30.0 |
| October | 19.5 | 10.8 | 4.4 | 24.9 |
| November | 13.1 | 3.7 | -2.2 | 19.5 |
| December | 5.3 | -3.0 | -9.7 | 11.7 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 31 |
| February | 37 |
| March | 62 |
| April | 81 |
| May | 98 |
| June | 141 |
| July | 251 |
| August | 203 |
| September | 184 |
| October | 96 |
| November | 46 |
| December | 33 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 6.1 |
| February | 6.9 |
| March | 7.2 |
| April | 7.2 |
| May | 7.1 |
| June | 6.2 |
| July | 4.5 |
| August | 4.9 |
| September | 4.8 |
| October | 5.5 |
| November | 5.7 |
| December | 5.6 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 11.0 | 5.8 | 18.6 |
| February | 11.3 | 5.8 | 19.5 |
| March | 10.3 | 6.0 | 17.8 |
| April | 10.4 | 6.3 | 17.5 |
| May | 9.8 | 5.7 | 16.1 |
| June | 8.4 | 5.2 | 14.4 |
| July | 8.8 | 4.9 | 15.1 |
| August | 8.4 | 4.6 | 15.0 |
| September | 8.7 | 4.6 | 15.6 |
| October | 9.0 | 5.1 | 15.6 |
| November | 9.8 | 5.3 | 17.3 |
| December | 10.9 | 5.7 | 18.0 |
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Snow depth
Snow depth for South Korea is part of the Premium map and its district-level detail. See what Premium includes.
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Sea surface temperature
Sea surface temperature for South Korea is part of the Premium map and its district-level detail. See what Premium includes.
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Heat index
Heat index for South Korea is part of the Premium map and its district-level detail. See what Premium includes.
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Humidity
Humidity for South Korea is part of the Premium map and its district-level detail. See what Premium includes.
What’s open · year round
Things to do in South Korea
Nothing on this list closes for the season in South Korea, but every one of them has a window worth aiming for.
- Limited
- At its best
- At its best
Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.
17 regions
South Korea, taken apart
- Busan8–29 °C yr
- Daegu5–31 °C yr
- Daejeon4–31 °C yr
- Gangwon2–28 °C yr
- Gwangju5–31 °C yr
- Gyeonggi2–30 °C yr
- Incheon2–29 °C yr
- Jeju8–29 °C yr
- North Chungcheong3–30 °C yr
- North Gyeongsang4–30 °C yr
- North Jeolla4–30 °C yr
- Sejong4–31 °C yr
- Seoul3–30 °C yr
- South Chungcheong4–30 °C yr
- South Gyeongsang6–30 °C yr
- South Jeolla6–30 °C yr
- Ulsan7–30 °C yr
Safety · 6 governments
What the governments say about South Korea
Combined advisory · most-cautious-wins
Exercise normal precautions
Highest level across 6 governments · Advisory last changed
See breakdown by countryHide breakdown
CA
Level 1Exercise normal precautions
Exercise normal precautions
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 1Exercise normal precautions
Exercise normal precautions
UK
Level 1Exercise normal precautions
Exercise normal precautions
US
Level 1Exercise normal precautions
Exercise normal precautions
Parts of South Korea carry a higher advisory — up to level 4, "Do not travel". The governments concerned name a region rather than a boundary, so the carve-out is not drawn on the map and is not reflected in the combined level above. Follow the source links for where it applies.
Month by month
A year in South Korea, in order
- JanJanuary3.9°C · 31 mm · 6.1 hr/day
Around 4 °C with 31 mm of rain and 6.1 hours of sun a day.
Around 4 °C with 31 mm of rain and 6.1 hours of sun a day.
- FebFebruary6.1°C · 37 mm · 6.9 hr/day
Around 6 °C with 37 mm of rain and 6.9 hours of sun a day.
Around 6 °C with 37 mm of rain and 6.9 hours of sun a day.
- MarMarch12.5°C · 62 mm · 7.2 hr/day
Around 12 °C with 62 mm of rain and 7.2 hours of sun a day.
Around 12 °C with 62 mm of rain and 7.2 hours of sun a day.
- AprApril18.0°C · 81 mm · 7.2 hr/day
Around 18 °C with 80 mm of rain and 7.2 hours of sun a day.
Around 18 °C with 80 mm of rain and 7.2 hours of sun a day.
- MayMay22.5°C · 98 mm · 7.1 hr/day
Around 22 °C with 98 mm of rain and 7.1 hours of sun a day.
Around 22 °C with 98 mm of rain and 7.1 hours of sun a day.
- JunJune26.2°C · 141 mm · 6.2 hr/day
Around 26 °C with 141 mm of rain and 6.2 hours of sun a day.
Around 26 °C with 141 mm of rain and 6.2 hours of sun a day.
- JulJuly28.7°C · 251 mm · 4.5 hr/day
Around 29 °C with 251 mm of rain and 4.5 hours of sun a day.
Around 29 °C with 251 mm of rain and 4.5 hours of sun a day.
- AugAugust29.6°C · 203 mm · 4.9 hr/day
Around 30 °C with 203 mm of rain and 4.9 hours of sun a day.
Around 30 °C with 203 mm of rain and 4.9 hours of sun a day.
- SepSeptember25.4°C · 184 mm · 4.8 hr/day
Around 25 °C with 184 mm of rain and 4.8 hours of sun a day.
Around 25 °C with 184 mm of rain and 4.8 hours of sun a day.
- OctOctober19.5°C · 96 mm · 5.5 hr/day
Around 20 °C with 96 mm of rain and 5.5 hours of sun a day.
Around 20 °C with 96 mm of rain and 5.5 hours of sun a day.
- NovNovember13.1°C · 46 mm · 5.7 hr/day
Around 13 °C with 46 mm of rain and 5.7 hours of sun a day.
Around 13 °C with 46 mm of rain and 5.7 hours of sun a day.
- DecDecember5.3°C · 33 mm · 5.6 hr/day
Around 5 °C with 33 mm of rain and 5.6 hours of sun a day.
Around 5 °C with 33 mm of rain and 5.6 hours of sun a day.
Same climate · neighbouring countries
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