Climate averages 1991–2020

Busan weather
in March.

A cool, moderately wet month: the 9th warmest and the 6th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 11.8°C Daytime mean, March
Average low 5.1°C Night-time mean, March
Rainfall 89 mm 8 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Busan · average highYear overview

March is a cool month in Busan: daytime highs average 11.8°C and nights cool to about 5.1°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 89 mm of rain on roughly 8 days, which makes March a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average March day.

The nearest other city in this atlas is Kimhae (20 km away). In March its highs average 12.5°C, 0.7°C warmer than Busan, with 79 mm of rain.

Among the 79 cities listed in South Korea, Busan ranks joint 24th of 79 for the warmest March highs and 72nd of 79 for the driest March (rainfall, lowest first). The mean March high of those 79 cities is 10.9°C; Busan is 0.9°C warmer than that mean.

From March to April, average highs rise by 4.2°C to 16.0°C, and monthly rainfall rises from 89 mm to 121 mm.

The annual picture

March in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Busan climate table

1991–2020
Monthly climate averages for Busan, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 6.5°C0.5°C0.5°C374.610.110 h
February 8.3°C1.6°C1.6°C475.210.911 h
March, selected 11.8°C5.1°C5.1°C897.911.912 h
April 16.0°C9.4°C9.4°C1218.113.013 h
May 19.8°C13.8°C13.8°C1307.614.014 h
June 22.8°C17.9°C17.9°C1679.214.514 h
July 25.9°C22.3°C22.3°C22811.814.314 h
August 27.5°C23.8°C23.8°C18111.013.513 h
September 24.4°C20.1°C20.1°C1598.812.412 h
October 20.1°C14.6°C14.6°C724.511.311 h
November 14.4°C8.3°C8.3°C525.410.410 h
December 8.6°C2.4°C2.4°C334.19.810 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

March in nearby cities

Distance from Busan

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Busan) is explained once on the Busan year overview and on the Sources, method and limits page.