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Monthly climate in Inuyama, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Inuyama features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (41 °F) and 28 °C (83 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 2069 mm (81.4 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually. Inuyama enjoys an average of 3022 hours of sunshine throughout the year, and daylight varies from 9 hours 47 minutes to 14 hours 30 minutes per day.

Monthly average temperatures in Inuyama, Japan

The warmest months in Inuyama are July, August and September, with daily mean temperatures ranging from 24 to 28 °C (75 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (41 - 45 °F) throughout the day. On average each year, Inuyama experiences 112 days above 25 °C (77.0 °F) and 18 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Inuyama. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(62°F)		20°C
(69°F)		24°C
(76°F)		28°C
(82°F)		32°C
(90°F)		32°C
(90°F)		39°C
(102°F)		40°C
(105°F)		37°C
(98°F)		32°C
(89°F)		24°C
(75°F)		19°C
(67°F)
Mean maximum14°C
(58°F)		16°C
(61°F)		21°C
(70°F)		26°C
(79°F)		30°C
(86°F)		30°C
(87°F)		35°C
(95°F)		37°C
(100°F)		34°C
(93°F)		30°C
(85°F)		23°C
(73°F)		17°C
(62°F)
Average high9°C
(48°F)		10°C
(50°F)		15°C
(59°F)		19°C
(67°F)		24°C
(75°F)		27°C
(80°F)		30°C
(86°F)		32°C
(91°F)		28°C
(83°F)		23°C
(73°F)		17°C
(64°F)		11°C
(53°F)
Daily mean5°C
(41°F)		5°C
(42°F)		10°C
(50°F)		14°C
(57°F)		19°C
(66°F)		22°C
(72°F)		26°C
(79°F)		28°C
(83°F)		24°C
(75°F)		18°C
(65°F)		12°C
(54°F)		7°C
(45°F)
Average low1°C
(34°F)		1°C
(35°F)		5°C
(41°F)		9°C
(48°F)		14°C
(57°F)		18°C
(65°F)		23°C
(74°F)		24°C
(76°F)		20°C
(69°F)		14°C
(58°F)		8°C
(46°F)		3°C
(38°F)
Mean minimum-4°C
(25°F)		-3°C
(26°F)		-0°C
(32°F)		2°C
(35°F)		6°C
(43°F)		13°C
(56°F)		20°C
(68°F)		20°C
(69°F)		15°C
(59°F)		8°C
(47°F)		2°C
(35°F)		-2°C
(29°F)
Minimum-9°C
(16°F)		-6°C
(22°F)		-1°C
(30°F)		-1°C
(31°F)		5°C
(41°F)		11°C
(53°F)		19°C
(66°F)		19°C
(66°F)		11°C
(52°F)		7°C
(45°F)		0°C
(33°F)		-5°C
(24°F)

Compare climate in Inuyama with other places

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

Monthly average precipitation in Inuyama, Japan

Inuyama usually has the most precipitation in July, August and September, with an average of 17 rainy days and 292 mm (11.5 inches) of precipitation per month. The driest months in Inuyama are January, November and December. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Inuyama. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)57 (2.2)68 (2.7)151 (5.9)192 (7.5)200 (7.9)193 (7.6)413 (16.2)240 (9.4)225 (8.9)201 (7.9)63 (2.5)68 (2.7)
Average precipitation days (≥ 1 mm)87111111132216151268

Monthly sunshine hours in Inuyama, Japan

The sunniest months in Inuyama are April, May and August, when the sun shines an average of 9 hours 30 minutes a day. Least sunny months in Inuyama: January, February and December receive an average of 6 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Inuyama. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours180228265279294273262299246239236215
Mean daily daylight hours10h 2m10h 52m11h 58m13h 5m14h 1m14h 30m14h 16m13h 26m12h 22m11h 15m10h 17m9h 47m

Solar UV radiation in Inuyama, Japan

Inuyama experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure. January, November 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 Inuyama UV Index data.

Average daily maximum UV levels by month for Inuyama. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)468101111111110753