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Monthly climate in Busan, South Korea

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Busan features a humid subtropical climate (Cfa).Temperatures typically range between 6 °C (43 °F) and 27 °C (81 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 1372 mm (54.0 inches) and receives 86 rainy days on the 1 mm (0.04 inches) threshold annually.Busan enjoys an average of 3104 hours of sunshine throughout the year, and daylight varies from 9 hours 49 minutes to 14 hours 27 minutes per day.

Monthly average temperatures in Busan, South Korea §

The warmest months in Busan are July, August and September, with daily mean temperatures ranging from 23 to 27 °C (75 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 7 °C (43 - 46 °F) throughout the day. On average each year, Busan experiences 47 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Busan, South Korea.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 18°C
(64°F)		 16°C
(61°F)		 16°C
(62°F)		 19°C
(66°F)		 22°C
(71°F)		 25°C
(78°F)		 30°C
(87°F)		 31°C
(88°F)		 29°C
(84°F)		 26°C
(78°F)		 21°C
(70°F)		 18°C
(64°F)
Mean maximum 13°C
(56°F)		 14°C
(57°F)		 16°C
(61°F)		 17°C
(63°F)		 21°C
(70°F)		 24°C
(75°F)		 28°C
(82°F)		 30°C
(86°F)		 28°C
(82°F)		 24°C
(76°F)		 20°C
(69°F)		 16°C
(60°F)
Average high 8°C
(47°F)		 9°C
(49°F)		 12°C
(55°F)		 15°C
(59°F)		 18°C
(65°F)		 21°C
(71°F)		 25°C
(77°F)		 28°C
(82°F)		 25°C
(76°F)		 21°C
(69°F)		 16°C
(60°F)		 10°C
(50°F)
Daily mean 6°C
(43°F)		 7°C
(44°F)		 11°C
(51°F)		 14°C
(57°F)		 17°C
(63°F)		 20°C
(69°F)		 24°C
(76°F)		 27°C
(81°F)		 23°C
(75°F)		 19°C
(67°F)		 14°C
(57°F)		 7°C
(46°F)
Average low 4°C
(39°F)		 4°C
(40°F)		 9°C
(48°F)		 12°C
(54°F)		 16°C
(61°F)		 19°C
(67°F)		 24°C
(75°F)		 26°C
(79°F)		 22°C
(73°F)		 18°C
(64°F)		 12°C
(54°F)		 5°C
(42°F)
Mean minimum -3°C
(27°F)		 -2°C
(29°F)		 3°C
(37°F)		 7°C
(45°F)		 12°C
(54°F)		 17°C
(63°F)		 21°C
(69°F)		 23°C
(74°F)		 19°C
(67°F)		 10°C
(51°F)		 5°C
(41°F)		 -2°C
(29°F)
Minimum -7°C
(20°F)		 -5°C
(24°F)		 1°C
(34°F)		 6°C
(42°F)		 10°C
(50°F)		 16°C
(62°F)		 19°C
(66°F)		 23°C
(73°F)		 17°C
(63°F)		 9°C
(49°F)		 3°C
(38°F)		 -4°C
(25°F)

Compare climate in Busan with other places

Compare temperature, precipitation, sunshine, UV index in Busan, South Korea with other places around the world.

Monthly average precipitation in Busan, South Korea §

Busan usually has the most precipitation in June, July and September, with an average of 10 rainy days and 220 mm (8.7 inches) of precipitation per month.The driest months in Busan are January, November and December. On average, 29 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Busan, South Korea.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 38 (1.5) 46 (1.8) 100 (3.9) 114 (4.5) 113 (4.5) 167 (6.6) 249 (9.8) 158 (6.2) 245 (9.6) 91 (3.6) 24 (1.0) 25 (1.0)
Average precipitation days (≥ 1 mm) 4 4 8 7 7 8 13 13 11 5 3 3

Monthly sunshine hours in Busan, South Korea §

The sunniest months in Busan are May, June and August, when the sun shines an average of 9 hours 33 minutes a day.Least sunny months in Busan: January, February and November receive an average of 7 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Busan, South Korea.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 196 239 267 277 295 293 265 290 241 256 238 243
Mean daily daylight hours 10h 4m 10h 54m 11h 58m 13h 4m 14h 0m 14h 27m 14h 13m 13h 25m 12h 22m 11h 16m 10h 18m 9h 49m

Solar UV radiation in Busan, South Korea §

Busan experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Busan UV Index data.

Average daily maximum UV levels by month for Busan, South Korea.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 4 5 7 10 10 11 12 12 10 7 5 3