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Monthly climate in Santyoku, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santyoku features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (38 °F) and 25 °C (78 °F) through the year, but rarely can drop to -11 °C (13 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 1187 mm (46.7 inches) and receives 100 rainy days on the 1 mm (0.04 inches) threshold annually. Santyoku enjoys an average of 3202 hours of sunshine throughout the year, and daylight varies from 9 hours 36 minutes to 14 hours 41 minutes per day.

Monthly average temperatures in Santyoku, South Korea

The warmest months in Santyoku are July, August and September, with daily mean temperatures ranging from 21 to 25 °C (71 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (38 - 41 °F) throughout the day. On average each year, Santyoku experiences 38 days above 25 °C (77.0 °F) and 26 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Santyoku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(53°F)		16°C
(61°F)		20°C
(68°F)		23°C
(73°F)		27°C
(80°F)		26°C
(79°F)		30°C
(87°F)		31°C
(89°F)		27°C
(81°F)		27°C
(81°F)		21°C
(69°F)		16°C
(61°F)
Mean maximum10°C
(51°F)		13°C
(55°F)		16°C
(61°F)		20°C
(69°F)		24°C
(76°F)		24°C
(75°F)		29°C
(85°F)		30°C
(86°F)		26°C
(80°F)		24°C
(75°F)		19°C
(67°F)		13°C
(55°F)
Average high5°C
(42°F)		6°C
(44°F)		11°C
(51°F)		14°C
(58°F)		19°C
(66°F)		21°C
(70°F)		25°C
(77°F)		26°C
(80°F)		23°C
(73°F)		18°C
(65°F)		13°C
(56°F)		7°C
(45°F)
Daily mean3°C
(38°F)		4°C
(39°F)		8°C
(47°F)		12°C
(54°F)		16°C
(62°F)		20°C
(68°F)		24°C
(75°F)		25°C
(78°F)		21°C
(71°F)		17°C
(62°F)		11°C
(52°F)		5°C
(41°F)
Average low1°C
(34°F)		1°C
(35°F)		6°C
(43°F)		10°C
(50°F)		14°C
(58°F)		18°C
(65°F)		22°C
(72°F)		24°C
(75°F)		20°C
(68°F)		15°C
(59°F)		9°C
(48°F)		2°C
(37°F)
Mean minimum-6°C
(21°F)		-5°C
(24°F)		0°C
(33°F)		5°C
(42°F)		10°C
(51°F)		16°C
(60°F)		19°C
(67°F)		21°C
(70°F)		17°C
(63°F)		9°C
(48°F)		2°C
(36°F)		-5°C
(23°F)
Minimum-11°C
(13°F)		-8°C
(18°F)		-3°C
(27°F)		4°C
(40°F)		9°C
(49°F)		14°C
(58°F)		18°C
(64°F)		20°C
(69°F)		15°C
(60°F)		7°C
(44°F)		0°C
(33°F)		-8°C
(18°F)

Compare climate in Santyoku with other places

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

Monthly average precipitation in Santyoku, South Korea

Santyoku usually has the most precipitation in July, August and September, with an average of 13 rainy days and 190 mm (7.5 inches) of precipitation per month. The driest months in Santyoku are January, February and December. On average, 34 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santyoku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)38 (1.5)35 (1.4)83 (3.3)84 (3.3)73 (2.9)60 (2.4)205 (8.1)178 (7.0)186 (7.3)170 (6.7)44 (1.7)29 (1.2)
Average precipitation days (≥ 1 mm)469977131412964

Monthly sunshine hours in Santyoku, South Korea

The sunniest months in Santyoku are May, June and July, when the sun shines an average of 10 hours 10 minutes a day. Least sunny months in Santyoku: January, February and November receive an average of 7 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santyoku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours195239272291313320302284257251234239
Mean daily daylight hours9h 53m10h 47m11h 57m13h 9m14h 10m14h 41m14h 25m13h 32m12h 23m11h 12m10h 9m9h 36m

Solar UV radiation in Santyoku, South Korea

Santyoku 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 4. For more detailed information, check out our hourly Santyoku UV Index data.

Average daily maximum UV levels by month for Santyoku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346991111129743