Seoul in March:
chilly,

Seoul, South Korea · Records from 2006 to 2025. Not a forecast.

Mean high12°Hottest day 24.6° (2025)
Mean low2°Coldest night −7.7° (2006)
Rain days5 days2-11 by year
Rainfall42mmDaylight 11.3 → 12.6 h
Seoul's 12 months iBest: May and September
Trip types Sightseeing on foot Finemostly dry
Humidity63%0 muggy days
Clear days11 days7 overcast days
Mean wind10 km/hRarely windy
Snow days1 dayabout 3 cm of fresh snow a month
Sunrise / sunset (15th)06:44 / 18:39Daylight 11.3 → 12.6 h

Seoul in March

A month caught between winter and spring. Afternoons soften, but a late cold snap can send you back to your winter coat. Fine dust tends to be at its worst of the year in March, so keep a KF94 mask in your bag. In early years the cherry trees start blooming in the last days of the month.

Highs of 12°C and lows of 2°C. Even at midday it stayed cool enough to want a jacket. 5 rain days in a typical March: noticeable, but most days stayed dry. Most years sat near the average of 5, though 2006 dipped to 2 and 2010 climbed to 11.

Nights dropped below 0°C on 9 days of the month on average, so early-morning paths could be icy. The warmest year was 2023, with highs averaging 15.2°C, 3.7°C above normal. The lowest night on record was −7.7°C in 2006.

How long it rained

On a rainy day it rained for about 4.3 hours. Rain came at any time of day.

Typhoons i No tropical storm passed within 300 km in this month over the last 20 years. Typhoons: July to October

Date by date i

‹ February March 2027 April ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-6rain on 19% of days9° 1°
7-13rain on 15% of days10° 1°
14-20rain on 16% of days12° 3°
21-27rain on 16% of days13° 4°
28-31rain on 20% of days14° 4°

0-5/206-8/209-11/2012-20/20

1-6rain on 19% of days9° 1°
7-13rain on 15% of days10° 1°
14-20rain on 16% of days12° 3°
21-27rain on 16% of days13° 4°
28-31rain on 20% of days14° 4°
Tap another date to change

2006none
2007none
2008none
20091mm
2010none
2011none
2012none
20139mm
20143mm
2015none
2016none
2017none
2018none
2019none
2020none
20211mm
20221mm
20232mm
20242mm
2025none
Holidays in March (2027)
  • February 27 to March 1 Independence Movement Day long weekend

1 Local public holiday or break (busier, pricier)

Day by day temperature i

−3°7°16°26° 1815222931

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
0 d 2 d
2007
1 d 9 d
2008
0 d 4 d
2009
2 d 7 d
2010
2 d 11 d
2011
0 d 3 d
2012
0 d 7 d
2013
3 d 6 d
2014
2 d 5 d
2015
1 d 4 d
2016
0 d 2 d
2017
0 d 2 d
2018
2 d 8 d
2019
0 d 4 d
2020
1 d 3 d
2021
1 d 5 d
2022
2 d 8 d
2023
3 d 3 d
2024
1 d 6 d
2025
0 d 5 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
6
3
3
6
4
1
2
2
3
3
0
7
4
2
3
3
3
4
2
5
3
4
3
2
3
6
1
3
5
3
5
Rain days on trip
01022003210020112310

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2006 had 2 rain days, 2010 had 11.

Seoul through the year

MonthHighLowRain daysRainfall
January 2°−5°3 days14mm
February 5°−3°3 days25mm
March 12°2°5 days42mm
April 18°9°7 days74mm
MayGood 23°14°7 days105mm
June 28°19°7 days118mm
July 30°23°14 days433mm
August 30°23°11 days324mm
SeptemberGood 27°18°7 days146mm
October 20°11°6 days58mm
November 12°4°6 days50mm
December 4°−3°5 days24mm

Common questions

Does it rain a lot in Seoul in March?

Over the past 20 years March averaged 5 rain days (1 mm or more) out of 31. Individual years ran from 2 in the driest to 11 in the wettest.

What should I wear in Seoul in March?

Days averaged 12°C and nights 2°C. Pack a compact umbrella and a sweater plus a light jacket.

Is March a good time to visit Seoul?

On warmth and rain days alone, Seoul's easiest months were May and September. March ranked 11 of 12.

How many clear days does Seoul get in March?

About 11 clear days (under 30% cloud on average) and 7 overcast days (80% or more).