When to go · South Korea

When to go to Busan

Twelve months of averages for Busan, and what they say about when to go.

Photo: by lwy · CC BY 2.0 · Wikimedia Commons

When to go

What the averages say

Mean daily highs and lows and the month's rain, averaged over 2001 to 2020.

On these averages, Busan has a mean high between 18°C and 32°C and under 150 mm of rain in May and October.

Wet months (150 mm of rain or more): June to September.
Humid months (a high of 25°C or more with relative humidity of 70% or more): July to September.
Cold months (a mean high under 10°C): December to February.
The warmest month is August (28°C) and the coolest January (6°C). The wettest is July (299 mm) and the driest January (30 mm); about 1,490 mm of rain falls in a year.

How these sentences are worded

Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.

Busan: highs, lows and rainHighLowRain

The year at a glance

Mild to warm and dry
Mild to warm, humid or showery
Hot
Cool
Wet
Cold

JanCold
FebCold
MarCool
AprCool
MayMild–warm, mixed
JunWet
JulWet
AugWet
SeptWet
OctMild–warm, mixed
NovCool
DecCold

Month by month

Every month in Busan

The whole year, with humidity, cloud and the sunlight reaching the ground.

Climate in Busan by month: mean daily high and low, rain, and what the month is like
Month	High	Low	Rain	Humidity	Cloud	Sunlight (kWh/m²/day)	High in Dubai	What it is like
January	6°C	-1°C	30 mm	76%	55%	2.6	23°C	Cold
February	8°C	1°C	52 mm	72%	60%	3.2	24°C	Cold
March	12°C	4°C	79 mm	72%	57%	4.1	27°C	Cool
April	17°C	9°C	137 mm	75%	58%	4.9	31°C	Cool
May	21°C	13°C	144 mm	79%	62%	5.4	35°C	Mild to warm, humid or showery
June	24°C	18°C	175 mm	83%	73%	4.9	37°C	Wet
July	26°C	22°C	299 mm	89%	73%	4.6	39°C	Wet
August	28°C	24°C	244 mm	85%	66%	4.7	39°C	Wet
September	25°C	19°C	176 mm	82%	67%	3.8	37°C	Wet
October	20°C	13°C	75 mm	76%	54%	3.5	34°C	Mild to warm, humid or showery
November	14°C	7°C	46 mm	75%	51%	2.7	29°C	Cool
December	8°C	1°C	33 mm	77%	52%	2.4	25°C	Cold

The Dubai column is Dubai's mean daily high, for comparison.

Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.

When to go nearby

Plan it

Plan a trip to Busan

Tell us when and who is travelling, and a person puts the flights, the stays and the rest into one quote.

Plan a trip to Busan More about Busan When to go

Month

High

Low

Rain

Humidity

Cloud

Sunlight (kWh/m²/day)

High in Dubai

What it is like

January

6°C

-1°C

30 mm

76%

55%

2.6

23°C

Cold

February

8°C

1°C

52 mm

72%

60%

3.2

24°C

Cold

March

12°C

4°C

79 mm

72%

57%

4.1

27°C

Cool

April

17°C

9°C

137 mm

75%

58%

4.9

31°C

Cool

May

21°C

13°C

144 mm

79%

62%

5.4

35°C

Mild to warm, humid or showery

June

24°C

18°C

175 mm

83%

73%

4.9

37°C

Wet

July

26°C

22°C

299 mm

89%

73%

4.6

39°C

Wet

August

28°C

24°C

244 mm

85%

66%

4.7

39°C

Wet

September

25°C

19°C

176 mm

82%

67%

3.8

37°C

Wet

October

20°C

13°C

75 mm

76%

54%

3.5

34°C

Mild to warm, humid or showery

November

14°C

7°C

46 mm

75%

51%

2.7

29°C

Cool

December

8°C

1°C

33 mm

77%

52%

2.4

25°C

Cold