Climate · South Korea

Busan

Warm and damp from June to September; cool and mostly dry from December to March.

Typical weather, averaged over 30 years35.2°N20 m above the sea
  1. Jan47°8°32°0°Rain on about one day a week.
  2. Feb49°9°34°1°Rain on about one day a week.
  3. Mar56°13°41°5°Rain on about two days a week.
  4. Apr64°18°49°9°Rain on about two days a week.
  5. May72°22°57°14°Rain on about two days a week.
  6. Jun78°26°65°18°Rain on about two days a week.
  7. Jul82°28°72°22°Rain on about four days a week.
  8. Aug86°30°75°24°Rain on about three days a week.
  9. Sep80°27°69°21°Rain on about three days a week.
  10. Oct73°23°60°16°Rain on about one day a week.
  11. Nov63°17°48°9°Rain on about one day a week.
  12. Dec51°11°36°2°Rain on about one day a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

The warm season runs from June to September, with highs near 82°F and nights near 70°F. From December to March, highs are nearer 51°F. The rain comes from July to September, on about three days a week. October to February is the driest stretch, with rain on about one day a week. Daylight runs from about 10 hours in December to 14½ hours in June.The warm season runs from June to September, with highs near 28°C and nights near 21°C. From December to March, highs are nearer 11°C. The rain comes from July to September, on about three days a week. October to February is the driest stretch, with rain on about one day a week. Daylight runs from about 10 hours in December to 14½ hours in June.

Where Busan sits

Asia/Seoul

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
35.2°Nnorthern hemisphere
Above the sea
20 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
7:32 AM7:11 AM6:36 AM5:53 AM5:20 AM5:08 AM5:20 AM5:43 AM6:06 AM6:29 AM6:58 AM7:25 AMsets 5:33 PMsets 6:05 PMsets 6:31 PMsets 6:55 PMsets 7:19 PMsets 7:39 PMsets 7:39 PMsets 7:14 PMsets 6:33 PMsets 5:50 PMsets 5:19 PMsets 5:13 PM
Nearest of ours
Jeju299 km south-west

The land around Busan, shaded by its typical high in January, the planning map's own layer.The land around Busan, shaded by its typical high in February, the planning map's own layer.The land around Busan, shaded by its typical high in March, the planning map's own layer.The land around Busan, shaded by its typical high in April, the planning map's own layer.The land around Busan, shaded by its typical high in May, the planning map's own layer.The land around Busan, shaded by its typical high in June, the planning map's own layer.The land around Busan, shaded by its typical high in July, the planning map's own layer.The land around Busan, shaded by its typical high in August, the planning map's own layer.The land around Busan, shaded by its typical high in September, the planning map's own layer.The land around Busan, shaded by its typical high in October, the planning map's own layer.The land around Busan, shaded by its typical high in November, the planning map's own layer.The land around Busan, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 47°F in January to 86°F in August.Highs from 8°C in January to 30°C in August.

Chance of a wet day

Wettest in July (50% of days), driest in December (11%).

Cloud cover

Clearest in December (31% cover), cloudiest in July (62%).

Daylight

From 9h 49m in December to 14h 29m in June.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Busan, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryCool season
32°0°47°8°
1 day33%10h 04m
FebruaryCool season
34°1°49°9°
1 day37%10h 51m
MarchCool season
41°5°56°13°
2 days45%11h 55m
April
49°9°64°18°
2 days47%13h 03m
MayAt its best
57°14°72°22°
2 days49%14h 00m
JuneWarm seasonAt its best
65°18°78°26°
2 days56%14h 29m
JulyWarm season
72°22°82°28°
4 days62%14h 15m
AugustWarm season
75°24°86°30°
3 days56%13h 25m
SeptemberWarm season
69°21°80°27°
3 days48%12h 19m
OctoberAt its best
60°16°73°23°
1 day38%11h 12m
November
48°9°63°17°
1 day34%10h 16m
DecemberCool season
36°2°51°11°
1 day31%9h 49m

When is the best time to visit Busan?


The best months are May to June, or October: highs near 74°F, nights near 61°F, and rain on about two days a week.The best months are May to June, or October: highs near 23°C, nights near 16°C, and rain on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Busan?

August, with highs near 86°F and lows near 75°F. The coolest is January, with highs near 47°F.August, with highs near 30°C and lows near 24°C. The coolest is January, with highs near 8°C.

When does it rain most in Busan?

July, with rain on about four days a week. December is the driest, with rain on about one day a week.

How long are the days in Busan?

From about 10 hours in December to 14½ hours in June.

When are the skies clearest in Busan?

December, when cloud covers about 31% of the sky on average. July is the cloudiest, at about 62%.

Places with a year like Busan's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Busan's through the year, one place a country. “Six months apart”: their winter is Busan's summer.

Elsewhere in South Korea

All of South Korea

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Busan. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (20 m) against the climate model's (97 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (20 m) against the climate model's (97 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.