Busan, South Korea · Records from 2006 to 2025. Not a forecast.
Mean high14°Hottest day 23.7° (2025)
Mean low6°Coldest night −4.2° (2006)
Rain days7 days2-13 by year
Rainfall91mmDaylight 11.4 → 12.5 h
Busan's 12 months iBest: May, June and October
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Trip typesBeach Poorcool seaSightseeing on foot Fine
Humidity57%0 muggy days
Clear days10 days9 overcast days
Mean wind13 km/hRarely windy
Sea temperature14.2°12.4-15.2° by year (last 6)
Sunrise / sunset (15th)06:35 / 18:31Daylight 11.4 → 12.5 h
Busan in March
The winter wind eases and spring showers become more frequent. Cherry blossoms usually start to open in the last week of March, earlier than in Seoul. Spring is also the season for yellow dust blowing in from the continent, so check an air quality app on hazy mornings.
A cool month: highs of 14°C, lows of 6°C. Sweaters came out of the suitcase and mostly stayed on. Showers came now and then, about 7 rain days in all, and most of the month stayed dry. Counts moved moderately between years: 2 in 2011, 13 in 2010.
Nights dropped below 0°C on 2 days of the month on average, so early-morning paths could be icy. The warmest year was 2023, with highs averaging 17.0°C, 2.9°C above normal. Cold snaps happened: the record low for March was −4.2°C, set in 2006.
How long it rained
On a rainy day it rained for about 5.7 hours. Rain came at any time of day.
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Typhoonsi No tropical storm passed within 300 km in this month over the last 20 years. Typhoons: July to October
Over the past 20 years March averaged 7 rain days (1 mm or more) out of 31. Individual years ran from 2 in the driest to 13 in the wettest.
What should I wear in Busan in March?
Days averaged 14°C and nights 6°C. Pack a compact umbrella and a sweater plus a light jacket.
Can you swim in Busan in March?
Sea surface temperature averaged 14.2°C in March, too cold for most people without a wetsuit. Year to year it ranged 12.4-15.2°C. Check local flags for waves and jellyfish on the day.
Is March a good time to visit Busan?
On warmth and rain days alone, Busan's easiest months were May, June and October. March ranked 10 of 12.
How many clear days does Busan get in March?
About 10 clear days (under 30% cloud on average) and 9 overcast days (80% or more).