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Monthly climate in Kihoku, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kihoku features a humid subtropical climate (Cfa). Temperatures typically range between 6 °C (42 °F) and 26 °C (79 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 2792 mm (109.9 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually. Kihoku enjoys an average of 2973 hours of sunshine throughout the year, and daylight varies from 9 hours 54 minutes to 14 hours 22 minutes per day.

Monthly average temperatures in Kihoku, Japan

The warmest months in Kihoku are July, August and September, with daily mean temperatures ranging from 23 to 26 °C (74 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 8 °C (42 - 47 °F) throughout the day. On average each year, Kihoku experiences 61 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kihoku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(60°F)		18°C
(64°F)		18°C
(65°F)		21°C
(70°F)		25°C
(77°F)		28°C
(83°F)		31°C
(89°F)		31°C
(89°F)		30°C
(86°F)		27°C
(80°F)		21°C
(71°F)		20°C
(68°F)
Mean maximum13°C
(56°F)		15°C
(59°F)		17°C
(63°F)		20°C
(68°F)		24°C
(75°F)		26°C
(79°F)		29°C
(85°F)		31°C
(87°F)		29°C
(85°F)		26°C
(78°F)		20°C
(69°F)		17°C
(62°F)
Average high8°C
(47°F)		9°C
(48°F)		13°C
(55°F)		16°C
(61°F)		20°C
(68°F)		23°C
(73°F)		26°C
(79°F)		28°C
(83°F)		25°C
(78°F)		21°C
(69°F)		16°C
(61°F)		11°C
(52°F)
Daily mean6°C
(42°F)		6°C
(43°F)		10°C
(50°F)		13°C
(57°F)		18°C
(64°F)		21°C
(70°F)		24°C
(76°F)		26°C
(79°F)		23°C
(74°F)		18°C
(65°F)		13°C
(56°F)		8°C
(47°F)
Average low3°C
(39°F)		4°C
(39°F)		7°C
(45°F)		11°C
(51°F)		15°C
(60°F)		19°C
(66°F)		23°C
(74°F)		24°C
(76°F)		21°C
(71°F)		16°C
(62°F)		11°C
(51°F)		6°C
(42°F)
Mean minimum-0°C
(31°F)		-0°C
(31°F)		2°C
(36°F)		4°C
(40°F)		10°C
(51°F)		15°C
(60°F)		21°C
(69°F)		22°C
(72°F)		17°C
(63°F)		11°C
(53°F)		5°C
(42°F)		1°C
(35°F)
Minimum-3°C
(27°F)		-2°C
(29°F)		2°C
(35°F)		3°C
(37°F)		9°C
(49°F)		14°C
(57°F)		19°C
(67°F)		21°C
(69°F)		16°C
(62°F)		10°C
(51°F)		5°C
(41°F)		-1°C
(31°F)

Compare climate in Kihoku with other places

Compare temperature, precipitation, sunshine, UV index in Kihoku, Japan with other places around the world.

Monthly average precipitation in Kihoku, Japan

Kihoku usually has the most precipitation in July, September and October, with an average of 20 rainy days and 420 mm (16.5 inches) of precipitation per month. The driest months in Kihoku are January, February and November. On average, 85 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kihoku. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)84 (3.3)80 (3.2)208 (8.2)192 (7.6)228 (9.0)299 (11.8)351 (13.8)251 (9.9)377 (14.9)531 (20.9)91 (3.6)101 (4.0)
Average precipitation days (≥ 1 mm)771311131622162217108

Monthly sunshine hours in Kihoku, Japan

The sunniest months in Kihoku are April, May and August, when the sun shines an average of 9 hours 19 minutes a day. Least sunny months in Kihoku: January, October and December receive an average of 6 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kihoku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours190236264274284257247299234220236228
Mean daily daylight hours10h 8m10h 56m11h 58m13h 2m13h 56m14h 22m14h 9m13h 22m12h 21m11h 18m10h 22m9h 54m

Solar UV radiation in Kihoku, Japan

Kihoku experiences the highest level of ultraviolet (UV) radiation in April, 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 / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Kihoku UV Index data.

Average daily maximum UV levels by month for Kihoku. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)468111111121110764