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Monthly climate in Yoshinogawa, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Yoshinogawa features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (41 °F) and 27 °C (81 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 2221 mm (87.5 inches) and receives 149 rainy days on the 1 mm (0.04 inches) threshold annually. Yoshinogawa enjoys an average of 3147 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 Yoshinogawa, Japan

The warmest months in Yoshinogawa are July, August and September, with daily mean temperatures ranging from 23 to 27 °C (74 - 81 °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, Yoshinogawa experiences 85 days above 25 °C (77.0 °F) and 16 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Yoshinogawa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(60°F)		21°C
(70°F)		22°C
(72°F)		25°C
(78°F)		29°C
(84°F)		31°C
(89°F)		34°C
(93°F)		34°C
(94°F)		33°C
(92°F)		29°C
(85°F)		24°C
(75°F)		21°C
(70°F)
Mean maximum13°C
(56°F)		16°C
(61°F)		20°C
(69°F)		23°C
(74°F)		27°C
(81°F)		29°C
(84°F)		32°C
(90°F)		33°C
(93°F)		31°C
(89°F)		27°C
(82°F)		22°C
(72°F)		17°C
(63°F)
Average high9°C
(48°F)		9°C
(49°F)		14°C
(57°F)		18°C
(65°F)		22°C
(72°F)		25°C
(77°F)		29°C
(84°F)		30°C
(87°F)		26°C
(80°F)		21°C
(71°F)		16°C
(62°F)		11°C
(52°F)
Daily mean5°C
(41°F)		5°C
(42°F)		10°C
(50°F)		14°C
(57°F)		18°C
(65°F)		22°C
(71°F)		26°C
(78°F)		27°C
(81°F)		23°C
(74°F)		18°C
(65°F)		12°C
(54°F)		7°C
(45°F)
Average low2°C
(35°F)		2°C
(36°F)		5°C
(42°F)		9°C
(49°F)		14°C
(58°F)		18°C
(65°F)		23°C
(74°F)		24°C
(76°F)		21°C
(69°F)		15°C
(59°F)		8°C
(47°F)		3°C
(38°F)
Mean minimum-2°C
(28°F)		-2°C
(29°F)		1°C
(33°F)		3°C
(37°F)		7°C
(46°F)		14°C
(58°F)		20°C
(69°F)		21°C
(70°F)		15°C
(60°F)		9°C
(48°F)		2°C
(36°F)		-1°C
(31°F)
Minimum-5°C
(23°F)		-4°C
(25°F)		-0°C
(32°F)		1°C
(35°F)		6°C
(43°F)		12°C
(54°F)		19°C
(66°F)		17°C
(63°F)		14°C
(57°F)		8°C
(46°F)		1°C
(33°F)		-2°C
(29°F)

Compare climate in Yoshinogawa with other places

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

Monthly average precipitation in Yoshinogawa, Japan

Yoshinogawa usually has the most precipitation in July, September and October, with an average of 18 rainy days and 340 mm (13.4 inches) of precipitation per month. The driest months in Yoshinogawa are January, November and December. On average, 62 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yoshinogawa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)61 (2.4)73 (2.9)135 (5.3)146 (5.7)179 (7.0)241 (9.5)391 (15.4)242 (9.5)294 (11.6)333 (13.1)63 (2.5)62 (2.4)
Average precipitation days (≥ 1 mm)67131111152316181478

Monthly sunshine hours in Yoshinogawa, Japan

The sunniest months in Yoshinogawa are May, July and August, when the sun shines an average of 9 hours 47 minutes a day. Least sunny months in Yoshinogawa: January, February and December receive an average of 7 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yoshinogawa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours188231271286299281290320261249240225
Mean daily daylight hours10h 8m10h 56m11h 58m13h 1m13h 55m14h 22m14h 8m13h 22m12h 21m11h 18m10h 23m9h 54m

Solar UV radiation in Yoshinogawa, Japan

Yoshinogawa experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 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 Yoshinogawa UV Index data.

Average daily maximum UV levels by month for Yoshinogawa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)468111112121210764