March is one of the warmer months of the year in Korea, with average highs near 35.1°C and lows around 17.8°C (mean 26.5°C). It is one of the drier months, averaging 21 mm of rainfall and 29% relative humidity across the period.
March is one of the warmer months of the year in Korea. Across 45 years of records, the warmest March in Korea was 2010 — when the month averaged 29.2°C — while the coldest was 1998 at 23.3°C. Typical March days reach 35.1°C with nights near 17.8°C. The long-term March temperature trend is broadly flat.
March is one of the drier months in Korea, averaging 21 mm of rainfall. The wettest March on record was 2006 with 76 mm, while the driest were 1985, 1999 and 2010 at 0 mm.
Relative humidity in Korea during March averages 29%. The most humid March was 2020 at 60%, and the least humid was 1985 at 12%.
March receives about 6.2 kWh/m²/day of solar energy in Korea. The sunniest March was 1986 at 7 kWh/m²/day, and the cloudiest was 2023 at 5.1.
Average wind speed in Korea during March is 2.1 m/s. The windiest March was 1983 at 2.6 m/s, while the calmest was 2020 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.3°C | 26.6°C | 26.5°C | 26.5°C | 26.2°C | -0.1°C |
| Avg High | 35.2°C | 35.5°C | 35.1°C | 35.1°C | 34.2°C | -1°C |
| Avg Low | 17.3°C | 17.7°C | 18.0°C | 17.9°C | 18.1°C | +0.8°C |
| Avg Rain | 15 mm | 16 mm | 29 mm | 18 mm | 31 mm | +16 mm |
March temperatures in Korea have risen by about 0.3°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 8.3°C (2003) to a record high of 42.9°C (2017).
Rainfall in March is one of the drier months, averaging 21 mm, with a wettest year of 76 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Korea
March is a good time to visit Korea, with days averaging 35.1°C and nights around 17.8°C (mean 26.5°C, warmer than Korea's yearly average) and low rainfall. February and November are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 36.5°C | 27.6°C | 18.8°C | 39.6°C | 10.5°C | 7 mm | 22% | 2.2 m/s | 6.3 |
| 2024 | 33.5°C | 25.4°C | 17.2°C | 38.8°C | 11.2°C | 43 mm | 39% | 1.8 m/s | 5.9 |
| 2023 | 32.9°C | 25.6°C | 18.3°C | 35.9°C | 15.5°C | 54 mm | 39% | 1.6 m/s | 5.1 |
| 2022 | 35.8°C | 26.9°C | 18.0°C | 41.4°C | 13.1°C | 0 mm | 31% | 1.7 m/s | 6.2 |
| 2021 | 36.3°C | 27.8°C | 19.4°C | 41.3°C | 14.1°C | 7 mm | 22% | 1.7 m/s | 6 |
| 2020 | 30.4°C | 23.7°C | 17.0°C | 35.5°C | 12.1°C | 75 mm | 60% | 1.5 m/s | 5.3 |
| 2019 | 34.2°C | 25.8°C | 17.5°C | 40.5°C | 10.5°C | 28 mm | 33% | 2 m/s | 6 |
| 2018 | 36.7°C | 28.0°C | 19.4°C | 39.9°C | 16.3°C | 1 mm | 20% | 1.8 m/s | 6.1 |
| 2017 | 35.6°C | 26.9°C | 18.2°C | 42.9°C | 12.6°C | 5 mm | 23% | 2.3 m/s | 6.3 |
| 2016 | 35.5°C | 27.4°C | 19.3°C | 40.3°C | 15.9°C | 34 mm | 32% | 1.8 m/s | 5.8 |
| 2015 | 32.8°C | 24.9°C | 16.9°C | 38.1°C | 11.6°C | 51 mm | 44% | 2 m/s | 5.6 |
| 2014 | 31.7°C | 24.1°C | 16.4°C | 38.0°C | 10.5°C | 33 mm | 50% | 1.8 m/s | 5.9 |
| 2013 | 34.8°C | 26.0°C | 17.3°C | 38.4°C | 10.1°C | 16 mm | 31% | 2.1 m/s | 6.2 |
| 2012 | 35.1°C | 25.6°C | 16.1°C | 39.3°C | 10.4°C | 1 mm | 23% | 2.1 m/s | 6.5 |
| 2011 | 36.1°C | 27.1°C | 18.1°C | 39.6°C | 13.3°C | 8 mm | 22% | 2 m/s | 6.3 |
| 2010 🔥 | 38.2°C | 29.2°C | 20.2°C | 41.2°C | 16.0°C | 0 mm | 19% | 2.3 m/s | 6.4 |
| 2009 | 36.3°C | 27.5°C | 18.6°C | 39.1°C | 15.0°C | 5 mm | 20% | 2.1 m/s | 6 |
| 2008 | 35.4°C | 26.9°C | 18.5°C | 37.3°C | 14.9°C | 55 mm | 30% | 1.7 m/s | 5.8 |
| 2007 | 33.5°C | 25.0°C | 16.5°C | 40.0°C | 10.1°C | 11 mm | 38% | 2.2 m/s | 6.4 |
| 2006 🌧️ | 32.5°C | 24.9°C | 17.4°C | 37.9°C | 13.9°C | 76 mm | 44% | 1.9 m/s | 5.8 |
| 2005 | 35.1°C | 27.1°C | 19.2°C | 39.7°C | 15.4°C | 17 mm | 36% | 1.8 m/s | 6 |
| 2004 | 37.3°C | 28.1°C | 19.0°C | 41.6°C | 14.0°C | 36 mm | 24% | 2 m/s | 6.4 |
| 2003 | 34.3°C | 25.6°C | 16.9°C | 38.7°C | 8.3°C | 34 mm | 32% | 2 m/s | 6.1 |
| 2002 | 36.0°C | 27.2°C | 18.4°C | 39.6°C | 12.6°C | 34 mm | 23% | 2 m/s | 6.1 |
| 2001 | 35.4°C | 27.1°C | 18.8°C | 39.4°C | 13.5°C | 19 mm | 25% | 1.9 m/s | 6 |
| 2000 | 35.5°C | 26.0°C | 16.5°C | 40.1°C | 12.1°C | 1 mm | 16% | 2.4 m/s | 6.5 |
| 1999 | 37.6°C | 27.8°C | 18.0°C | 41.6°C | 13.4°C | 0 mm | 13% | 2.4 m/s | 6.7 |
| 1998 ❄️ | 31.9°C | 23.3°C | 14.7°C | 37.6°C | 9.5°C | 36 mm | 41% | 2.1 m/s | 6.1 |
| 1997 | 36.2°C | 27.3°C | 18.4°C | 39.0°C | 14.5°C | 3 mm | 19% | 2.3 m/s | 6 |
| 1996 | 36.2°C | 27.5°C | 18.9°C | 40.9°C | 14.6°C | 19 mm | 31% | 2.1 m/s | 6.3 |
| 1995 | 33.1°C | 25.1°C | 17.1°C | 38.7°C | 12.2°C | 66 mm | 42% | 1.9 m/s | 5.7 |
| 1994 | 37.9°C | 28.3°C | 18.7°C | 42.2°C | 11.7°C | 0 mm | 15% | 2.4 m/s | 6.8 |
| 1993 | 34.0°C | 25.2°C | 16.4°C | 38.5°C | 13.4°C | 16 mm | 29% | 2.2 m/s | 6.4 |
| 1992 | 37.1°C | 27.7°C | 18.3°C | 41.5°C | 13.6°C | 10 mm | 18% | 2.5 m/s | 6.6 |
| 1991 | 37.5°C | 28.6°C | 19.7°C | 41.7°C | 15.0°C | 1 mm | 19% | 2.2 m/s | 6.8 |
| 1990 | 33.8°C | 25.4°C | 16.9°C | 39.2°C | 11.3°C | 7 mm | 29% | 2.3 m/s | 6.2 |
| 1989 | 34.8°C | 26.3°C | 17.7°C | 39.4°C | 12.2°C | 8 mm | 24% | 2.4 m/s | 5.8 |
| 1988 | 35.7°C | 26.6°C | 17.4°C | 39.0°C | 13.0°C | 23 mm | 26% | 2.2 m/s | 6.3 |
| 1987 | 34.6°C | 25.8°C | 17.1°C | 39.8°C | 12.1°C | 14 mm | 28% | 2.2 m/s | 6.4 |
| 1986 | 34.3°C | 25.8°C | 17.2°C | 40.9°C | 11.5°C | 25 mm | 34% | 2.1 m/s | 7 |
| 1985 | 38.4°C | 28.5°C | 18.5°C | 41.3°C | 14.5°C | 0 mm | 12% | 2.5 m/s | 6.7 |
| 1984 | 36.3°C | 27.1°C | 17.9°C | 42.1°C | 10.3°C | 1 mm | 21% | 2.3 m/s | 6.4 |
| 1983 | 36.5°C | 26.9°C | 17.4°C | 39.4°C | 13.4°C | 2 mm | 16% | 2.6 m/s | — |
| 1982 | 32.5°C | 23.9°C | 15.4°C | 37.9°C | 9.7°C | 37 mm | 43% | 2.2 m/s | — |
| 1981 | 33.9°C | 25.6°C | 17.3°C | 39.8°C | 12.1°C | 29 mm | 35% | 2.1 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 35.1°C with lows near 17.8°C (mean 26.5°C), based on 45 years of NASA POWER data.
March averages 21 mm of rainfall in Korea, one of the drier months. The wettest on record was 76 mm in 2006.
The hottest March reached 42.9°C in 2017. The coldest dipped to 8.3°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 17.3°C to 18.3°C while daytime highs eased from 35.5°C to 35°C, narrowing the gap between day and night.
March is one of the warmer months of the year in Korea and one of the drier months, so plan for around 35.1°C daytime highs and 17.8°C at night.
Not quite — March is the 8th coolest month in Korea, averaging 26.5°C.
For March in Korea, pack light, breathable clothing and sun protection, with typical highs of 35.1°C and lows of 17.8°C.
Relative humidity in March averages 29% — relatively dry.
Average wind speed in March is 2.1 m/s. The windiest March on record averaged 2.6 m/s (1983).
The wettest March on record was 2006 with 76 mm. On average, March sees 21 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Korea behaves each March, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for March specifically, along with year-by-year records and how the month has changed over the decades.
