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Monthly climate in Yokkaichi, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Yokkaichi features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (41 °F) and 28 °C (84 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1861 mm (73.3 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually. Yokkaichi enjoys an average of 2933 hours of sunshine throughout the year, and daylight varies from 9 hours 50 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in Yokkaichi, Japan

The warmest months in Yokkaichi are July, August and September, with daily mean temperatures ranging from 24 to 28 °C (76 - 84 °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 - 46 °F) throughout the day. On average each year, Yokkaichi experiences 110 days above 25 °C (77.0 °F) and 17 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Yokkaichi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(62°F)		21°C
(69°F)		24°C
(75°F)		27°C
(81°F)		31°C
(89°F)		32°C
(90°F)		37°C
(99°F)		37°C
(98°F)		36°C
(98°F)		31°C
(88°F)		24°C
(76°F)		21°C
(70°F)
Mean maximum14°C
(57°F)		17°C
(62°F)		21°C
(70°F)		25°C
(78°F)		30°C
(86°F)		30°C
(87°F)		34°C
(94°F)		36°C
(97°F)		34°C
(93°F)		29°C
(85°F)		23°C
(73°F)		17°C
(63°F)
Average high9°C
(48°F)		10°C
(50°F)		14°C
(58°F)		19°C
(66°F)		24°C
(75°F)		27°C
(80°F)		30°C
(86°F)		32°C
(90°F)		28°C
(83°F)		23°C
(73°F)		17°C
(63°F)		11°C
(53°F)
Daily mean5°C
(41°F)		6°C
(42°F)		10°C
(50°F)		14°C
(58°F)		19°C
(67°F)		23°C
(73°F)		27°C
(80°F)		28°C
(84°F)		24°C
(76°F)		19°C
(66°F)		13°C
(55°F)		7°C
(46°F)
Average low2°C
(35°F)		2°C
(35°F)		5°C
(42°F)		10°C
(50°F)		15°C
(59°F)		19°C
(67°F)		24°C
(76°F)		25°C
(78°F)		21°C
(71°F)		15°C
(60°F)		9°C
(48°F)		4°C
(39°F)
Mean minimum-3°C
(27°F)		-3°C
(27°F)		-0°C
(32°F)		3°C
(37°F)		8°C
(47°F)		15°C
(58°F)		21°C
(70°F)		21°C
(71°F)		16°C
(61°F)		9°C
(49°F)		4°C
(39°F)		-1°C
(31°F)
Minimum-6°C
(21°F)		-6°C
(22°F)		-1°C
(31°F)		-0°C
(32°F)		5°C
(42°F)		12°C
(54°F)		19°C
(67°F)		19°C
(67°F)		13°C
(56°F)		7°C
(46°F)		3°C
(37°F)		-2°C
(28°F)

Compare climate in Yokkaichi with other places

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

Monthly average precipitation in Yokkaichi, Japan

Yokkaichi usually has the most precipitation in July, August and October, with an average of 18 rainy days and 273 mm (10.7 inches) of precipitation per month. The driest months in Yokkaichi are January, February and November. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yokkaichi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)50 (2.0)56 (2.2)145 (5.7)146 (5.7)173 (6.8)177 (7.0)319 (12.6)217 (8.5)184 (7.2)283 (11.1)53 (2.1)59 (2.3)
Average precipitation days (≥ 1 mm)75111011142317161467

Monthly sunshine hours in Yokkaichi, Japan

The sunniest months in Yokkaichi are April, May and August, when the sun shines an average of 9 hours 12 minutes a day. Least sunny months in Yokkaichi: January, February and December receive an average of 6 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yokkaichi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours178220261270283264249292234231230215
Mean daily daylight hours10h 5m10h 54m11h 58m13h 3m13h 59m14h 26m14h 12m13h 24m12h 21m11h 16m10h 19m9h 50m

Solar UV radiation in Yokkaichi, Japan

Yokkaichi 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 Yokkaichi UV Index data.

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