March is one of the warmer months of the year in Korea, with average highs near 39.7°C and lows around 12.7°C (mean 26.2°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 28.6°C — while the coldest were 1998 and 2003 at 23.5°C. Typical March days reach 39.7°C with nights near 12.7°C. The long-term March temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.0°C | 26.5°C | 26.2°C | 26.3°C | 25.8°C | -0.2°C |
| Avg High | 40.0°C | 40.1°C | 39.3°C | 39.8°C | 38.7°C | -1.3°C |
| Avg Low | 12.1°C | 12.9°C | 13.0°C | 12.7°C | 12.8°C | +0.7°C |
| Avg Rain | 15 mm | 16 mm | 29 mm | 18 mm | 31 mm | +16 mm |
March temperatures in Korea have stayed relatively stable across the record.
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 0.1°C per decade, narrowing the gap between day and night.
One of the best times to visit Korea
March is one of the best times to visit Korea. Expect days averaging 39.7°C and nights around 12.7°C (mean 26.2°C) — close to Korea's yearly average — with low rainfall (21 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 39.6°C | 10.5°C | 25.1°C | 7 mm | 22% | 2.2 m/s | 6.3 |
| 2024 | 38.8°C | 11.2°C | 25.0°C | 43 mm | 39% | 1.8 m/s | 5.9 |
| 2023 | 35.9°C | 15.5°C | 25.7°C | 54 mm | 39% | 1.6 m/s | 5.1 |
| 2022 | 41.4°C | 13.1°C | 27.2°C | 0 mm | 31% | 1.7 m/s | 6.2 |
| 2021 | 41.3°C | 14.1°C | 27.7°C | 7 mm | 22% | 1.7 m/s | 6 |
| 2020 | 35.5°C | 12.1°C | 23.8°C | 75 mm | 60% | 1.5 m/s | 5.3 |
| 2019 | 40.5°C | 10.5°C | 25.5°C | 28 mm | 33% | 2 m/s | 6 |
| 2018 | 39.9°C | 16.3°C | 28.1°C | 1 mm | 20% | 1.8 m/s | 6.1 |
| 2017 | 42.9°C | 12.6°C | 27.7°C | 5 mm | 23% | 2.3 m/s | 6.3 |
| 2016 | 40.3°C | 15.9°C | 28.1°C | 34 mm | 32% | 1.8 m/s | 5.8 |
| 2015 | 38.1°C | 11.6°C | 24.8°C | 51 mm | 44% | 2 m/s | 5.6 |
| 2014 | 38.0°C | 10.5°C | 24.3°C | 33 mm | 50% | 1.8 m/s | 5.9 |
| 2013 | 38.4°C | 10.1°C | 24.3°C | 16 mm | 31% | 2.1 m/s | 6.2 |
| 2012 | 39.3°C | 10.4°C | 24.9°C | 1 mm | 23% | 2.1 m/s | 6.5 |
| 2011 | 39.6°C | 13.3°C | 26.5°C | 8 mm | 22% | 2 m/s | 6.3 |
| 2010 🔥 | 41.2°C | 16.0°C | 28.6°C | 0 mm | 19% | 2.3 m/s | 6.4 |
| 2009 | 39.1°C | 15.0°C | 27.1°C | 5 mm | 20% | 2.1 m/s | 6 |
| 2008 | 37.3°C | 14.9°C | 26.1°C | 55 mm | 30% | 1.7 m/s | 5.8 |
| 2007 | 40.0°C | 10.1°C | 25.1°C | 11 mm | 38% | 2.2 m/s | 6.4 |
| 2006 🌧️ | 37.9°C | 13.9°C | 25.9°C | 76 mm | 44% | 1.9 m/s | 5.8 |
| 2005 | 39.7°C | 15.4°C | 27.5°C | 17 mm | 36% | 1.8 m/s | 6 |
| 2004 | 41.6°C | 14.0°C | 27.8°C | 36 mm | 24% | 2 m/s | 6.4 |
| 2003 | 38.7°C | 8.3°C | 23.5°C | 34 mm | 32% | 2 m/s | 6.1 |
| 2002 | 39.6°C | 12.6°C | 26.1°C | 34 mm | 23% | 2 m/s | 6.1 |
| 2001 | 39.4°C | 13.5°C | 26.5°C | 19 mm | 25% | 1.9 m/s | 6 |
| 2000 | 40.1°C | 12.1°C | 26.1°C | 1 mm | 16% | 2.4 m/s | 6.5 |
| 1999 | 41.6°C | 13.4°C | 27.5°C | 0 mm | 13% | 2.4 m/s | 6.7 |
| 1998 ❄️ | 37.6°C | 9.5°C | 23.5°C | 36 mm | 41% | 2.1 m/s | 6.1 |
| 1997 | 39.0°C | 14.5°C | 26.8°C | 3 mm | 19% | 2.3 m/s | 6 |
| 1996 | 40.9°C | 14.6°C | 27.8°C | 19 mm | 31% | 2.1 m/s | 6.3 |
| 1995 | 38.7°C | 12.2°C | 25.4°C | 66 mm | 42% | 1.9 m/s | 5.7 |
| 1994 | 42.2°C | 11.7°C | 27.0°C | 0 mm | 15% | 2.4 m/s | 6.8 |
| 1993 | 38.5°C | 13.4°C | 25.9°C | 16 mm | 29% | 2.2 m/s | 6.4 |
| 1992 | 41.5°C | 13.6°C | 27.5°C | 10 mm | 18% | 2.5 m/s | 6.6 |
| 1991 | 41.7°C | 15.0°C | 28.3°C | 1 mm | 19% | 2.2 m/s | 6.8 |
| 1990 | 39.2°C | 11.3°C | 25.3°C | 7 mm | 29% | 2.3 m/s | 6.2 |
| 1989 | 39.4°C | 12.2°C | 25.8°C | 8 mm | 24% | 2.4 m/s | 5.8 |
| 1988 | 39.0°C | 13.0°C | 26.0°C | 23 mm | 26% | 2.2 m/s | 6.3 |
| 1987 | 39.8°C | 12.1°C | 26.0°C | 14 mm | 28% | 2.2 m/s | 6.4 |
| 1986 | 40.9°C | 11.5°C | 26.2°C | 25 mm | 34% | 2.1 m/s | 7 |
| 1985 | 41.3°C | 14.5°C | 27.9°C | 0 mm | 12% | 2.5 m/s | 6.7 |
| 1984 | 42.1°C | 10.3°C | 26.2°C | 1 mm | 21% | 2.3 m/s | 6.4 |
| 1983 | 39.4°C | 13.4°C | 26.4°C | 2 mm | 16% | 2.6 m/s | — |
| 1982 | 37.9°C | 9.7°C | 23.8°C | 37 mm | 43% | 2.2 m/s | — |
| 1981 | 39.8°C | 12.1°C | 25.9°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 39.7°C with lows near 12.7°C (mean 26.2°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 0.1°C. Daytime highs moved from 40.1°C to 39.4°C and overnight lows from 12°C to 12.9°C over the same span.
March is one of the warmer months of the year in Korea and one of the drier months, so plan for around 39.7°C daytime highs and 12.7°C at night.
Not quite — March is the 7th coolest month in Korea, averaging 26.2°C.
For March in Korea, pack light, breathable clothing and sun protection, with typical highs of 39.7°C and lows of 12.7°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.
