nomadseason

Monthly climate in Tonghae, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tonghae features a humid continental climate (Dfa). Temperatures typically range between -1 °C (31 °F) and 24 °C (76 °F) through the year, but rarely can drop to -16 °C (3 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1246 mm (49.1 inches) and receives 106 rainy days on the 1 mm (0.04 inches) threshold annually. Tonghae enjoys an average of 3127 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 Tonghae, South Korea

The warmest months in Tonghae are June, July and August, with daily mean temperatures ranging from 20 to 24 °C (69 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 1 °C (31 - 34 °F) throughout the day. On average each year, Tonghae experiences 58 days above 25 °C (77.0 °F) and 82 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tonghae. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		18°C
(64°F)		21°C
(71°F)		29°C
(85°F)		32°C
(89°F)		32°C
(90°F)		34°C
(93°F)		35°C
(95°F)		29°C
(84°F)		28°C
(82°F)		20°C
(69°F)		14°C
(57°F)
Mean maximum9°C
(49°F)		13°C
(55°F)		18°C
(65°F)		24°C
(76°F)		29°C
(84°F)		29°C
(84°F)		31°C
(89°F)		32°C
(90°F)		27°C
(81°F)		25°C
(76°F)		19°C
(66°F)		12°C
(53°F)
Average high3°C
(38°F)		5°C
(41°F)		11°C
(52°F)		16°C
(61°F)		21°C
(70°F)		24°C
(75°F)		27°C
(80°F)		27°C
(81°F)		22°C
(73°F)		18°C
(64°F)		12°C
(54°F)		5°C
(41°F)
Daily mean-1°C
(31°F)		1°C
(33°F)		6°C
(44°F)		11°C
(53°F)		17°C
(63°F)		20°C
(69°F)		24°C
(75°F)		24°C
(76°F)		19°C
(67°F)		14°C
(57°F)		8°C
(46°F)		1°C
(34°F)
Average low-5°C
(24°F)		-4°C
(26°F)		2°C
(36°F)		7°C
(44°F)		12°C
(54°F)		17°C
(62°F)		21°C
(70°F)		22°C
(72°F)		16°C
(61°F)		10°C
(50°F)		4°C
(39°F)		-3°C
(27°F)
Mean minimum-13°C
(10°F)		-11°C
(13°F)		-5°C
(23°F)		1°C
(34°F)		6°C
(44°F)		13°C
(56°F)		17°C
(62°F)		18°C
(64°F)		11°C
(53°F)		3°C
(38°F)		-3°C
(28°F)		-11°C
(12°F)
Minimum-16°C
(3°F)		-14°C
(7°F)		-11°C
(13°F)		-0°C
(31°F)		4°C
(40°F)		10°C
(50°F)		15°C
(58°F)		16°C
(61°F)		10°C
(51°F)		2°C
(36°F)		-5°C
(23°F)		-15°C
(5°F)

Compare climate in Tonghae with other places

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

Monthly average precipitation in Tonghae, South Korea

Tonghae usually has the most precipitation in July, August and September, with an average of 15 rainy days and 219 mm (8.6 inches) of precipitation per month. The driest months in Tonghae are January, February and December. On average, 29 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tonghae. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)37 (1.4)28 (1.1)86 (3.4)86 (3.4)71 (2.8)73 (2.9)228 (9.0)221 (8.7)207 (8.2)147 (5.8)42 (1.7)22 (0.9)
Average precipitation days (≥ 1 mm)4489881518131063

Monthly sunshine hours in Tonghae, South Korea

The sunniest months in Tonghae are April, May and June, when the sun shines an average of 9 hours 53 minutes a day. Least sunny months in Tonghae: January, February and November receive an average of 7 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tonghae. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours195238267285303311284266250248234240
Mean daily daylight hours9h 52m10h 47m11h 57m13h 10m14h 11m14h 41m14h 26m13h 32m12h 23m11h 11m10h 8m9h 36m

Solar UV radiation in Tonghae, South Korea

Tonghae 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 Tonghae UV Index data.

Average daily maximum UV levels by month for Tonghae. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)34691011111210743