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Monthly climate in Ishige, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ishige features a humid subtropical climate (Cfa). Temperatures typically range between 4 °C (40 °F) and 28 °C (82 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1447 mm (57.0 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually. Ishige enjoys an average of 2916 hours of sunshine throughout the year, and daylight varies from 9 hours 45 minutes to 14 hours 32 minutes per day.

Monthly average temperatures in Ishige, Japan

The warmest months in Ishige are July, August and September, with daily mean temperatures ranging from 24 to 28 °C (75 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 7 °C (40 - 44 °F) throughout the day. On average each year, Ishige experiences 99 days above 25 °C (77.0 °F) and 36 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ishige. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		21°C
(70°F)		24°C
(75°F)		28°C
(83°F)		33°C
(91°F)		33°C
(92°F)		37°C
(99°F)		37°C
(99°F)		35°C
(95°F)		32°C
(90°F)		24°C
(75°F)		21°C
(70°F)
Mean maximum15°C
(60°F)		17°C
(64°F)		22°C
(72°F)		26°C
(79°F)		30°C
(86°F)		30°C
(86°F)		34°C
(94°F)		36°C
(97°F)		33°C
(92°F)		29°C
(85°F)		22°C
(72°F)		18°C
(65°F)
Average high9°C
(49°F)		11°C
(51°F)		15°C
(59°F)		19°C
(66°F)		24°C
(75°F)		26°C
(79°F)		29°C
(85°F)		32°C
(89°F)		27°C
(81°F)		22°C
(71°F)		17°C
(63°F)		11°C
(53°F)
Daily mean4°C
(40°F)		6°C
(42°F)		10°C
(50°F)		14°C
(58°F)		19°C
(67°F)		22°C
(72°F)		26°C
(79°F)		28°C
(82°F)		24°C
(75°F)		18°C
(65°F)		13°C
(55°F)		7°C
(44°F)
Average low-0°C
(32°F)		1°C
(34°F)		5°C
(41°F)		10°C
(50°F)		15°C
(60°F)		19°C
(66°F)		23°C
(74°F)		25°C
(77°F)		21°C
(69°F)		15°C
(59°F)		9°C
(48°F)		2°C
(37°F)
Mean minimum-5°C
(23°F)		-4°C
(26°F)		-2°C
(29°F)		3°C
(38°F)		8°C
(46°F)		16°C
(60°F)		19°C
(67°F)		20°C
(68°F)		15°C
(60°F)		9°C
(48°F)		2°C
(36°F)		-3°C
(28°F)
Minimum-8°C
(18°F)		-5°C
(23°F)		-3°C
(26°F)		1°C
(33°F)		6°C
(42°F)		13°C
(56°F)		17°C
(63°F)		17°C
(62°F)		13°C
(55°F)		6°C
(44°F)		-1°C
(31°F)		-4°C
(26°F)

Compare climate in Ishige with other places

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

Monthly average precipitation in Ishige, Japan

Ishige usually has the most precipitation in July, September and October, with an average of 16 rainy days and 211 mm (8.3 inches) of precipitation per month. The driest months in Ishige are January, February and December. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ishige. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.6)39 (1.5)123 (4.9)109 (4.3)121 (4.8)142 (5.6)225 (8.9)111 (4.4)171 (6.7)238 (9.4)72 (2.8)54 (2.1)
Average precipitation days (≥ 1 mm)57111112151914171486

Monthly sunshine hours in Ishige, Japan

The sunniest months in Ishige are April, May and August, when the sun shines an average of 9 hours 4 minutes a day. Least sunny months in Ishige: January, October and December receive an average of 6 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ishige. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours191237259273281259233279233206231229
Mean daily daylight hours10h 0m10h 51m11h 57m13h 6m14h 3m14h 32m14h 18m13h 27m12h 22m11h 14m10h 15m9h 45m

Solar UV radiation in Ishige, Japan

Ishige experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / 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 Ishige UV Index data.

Average daily maximum UV levels by month for Ishige. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3579101111109753