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Monthly climate in Puan, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Puan features a humid subtropical climate (Cfa). Temperatures typically range between 1 °C (34 °F) and 27 °C (81 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 1207 mm (47.5 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually. Puan enjoys an average of 3195 hours of sunshine throughout the year, and daylight varies from 9 hours 46 minutes to 14 hours 31 minutes per day.

Monthly average temperatures in Puan, South Korea

The warmest months in Puan are July, August and September, with daily mean temperatures ranging from 22 to 27 °C (72 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (34 - 38 °F) throughout the day. On average each year, Puan experiences 73 days above 25 °C (77.0 °F) and 51 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Puan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(58°F)		16°C
(61°F)		18°C
(66°F)		24°C
(75°F)		26°C
(80°F)		30°C
(86°F)		33°C
(92°F)		35°C
(96°F)		30°C
(87°F)		28°C
(82°F)		21°C
(69°F)		16°C
(62°F)
Mean maximum10°C
(50°F)		12°C
(54°F)		16°C
(62°F)		22°C
(72°F)		25°C
(78°F)		28°C
(82°F)		31°C
(88°F)		33°C
(92°F)		29°C
(84°F)		25°C
(77°F)		19°C
(67°F)		13°C
(56°F)
Average high4°C
(40°F)		5°C
(42°F)		11°C
(52°F)		16°C
(61°F)		21°C
(70°F)		25°C
(76°F)		28°C
(82°F)		29°C
(85°F)		25°C
(77°F)		20°C
(68°F)		14°C
(57°F)		7°C
(44°F)
Daily mean1°C
(34°F)		2°C
(36°F)		7°C
(45°F)		12°C
(54°F)		17°C
(63°F)		22°C
(71°F)		26°C
(78°F)		27°C
(81°F)		22°C
(72°F)		16°C
(62°F)		10°C
(50°F)		3°C
(38°F)
Average low-2°C
(29°F)		-1°C
(31°F)		4°C
(39°F)		9°C
(48°F)		14°C
(57°F)		19°C
(66°F)		23°C
(74°F)		25°C
(77°F)		20°C
(68°F)		13°C
(56°F)		7°C
(44°F)		1°C
(33°F)
Mean minimum-8°C
(18°F)		-6°C
(21°F)		-1°C
(31°F)		4°C
(39°F)		10°C
(50°F)		15°C
(60°F)		21°C
(69°F)		21°C
(70°F)		15°C
(59°F)		7°C
(45°F)		1°C
(35°F)		-6°C
(22°F)
Minimum-14°C
(7°F)		-9°C
(17°F)		-2°C
(28°F)		3°C
(37°F)		8°C
(47°F)		14°C
(58°F)		19°C
(67°F)		19°C
(66°F)		14°C
(57°F)		5°C
(42°F)		0°C
(32°F)		-8°C
(17°F)

Compare climate in Puan with other places

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

Monthly average precipitation in Puan, South Korea

Puan usually has the most precipitation in July, August and September, with an average of 13 rainy days and 220 mm (8.7 inches) of precipitation per month. The driest months in Puan are January, February and December. On average, 34 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Puan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)27 (1.1)37 (1.5)59 (2.3)61 (2.4)93 (3.6)121 (4.8)252 (9.9)204 (8.0)203 (8.0)69 (2.7)45 (1.8)36 (1.4)
Average precipitation days (≥ 1 mm)667688131511567

Monthly sunshine hours in Puan, South Korea

The sunniest months in Puan are May, June and August, when the sun shines an average of 9 hours 59 minutes a day. Least sunny months in Puan: January, November and December receive an average of 7 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Puan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours189237279290307312291298255267234230
Mean daily daylight hours10h 1m10h 52m11h 58m13h 5m14h 2m14h 31m14h 17m13h 27m12h 22m11h 15m10h 16m9h 46m

Solar UV radiation in Puan, South Korea

Puan 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 Puan UV Index data.

Average daily maximum UV levels by month for Puan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)35791011121210753