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Monthly climate in Kawaminami, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kawaminami features a humid subtropical climate (Cfa). Temperatures typically range between 9 °C (48 °F) and 28 °C (83 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 2279 mm (89.7 inches) and receives 148 rainy days on the 1 mm (0.04 inches) threshold annually. Kawaminami enjoys an average of 3063 hours of sunshine throughout the year, and daylight varies from 10 hours 4 minutes to 14 hours 12 minutes per day.

Monthly average temperatures in Kawaminami, Japan

The warmest months in Kawaminami are July, August and September, with daily mean temperatures ranging from 25 to 28 °C (78 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 10 °C (48 - 51 °F) throughout the day. On average each year, Kawaminami experiences 102 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kawaminami. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(67°F)		21°C
(71°F)		24°C
(75°F)		25°C
(77°F)		29°C
(85°F)		32°C
(89°F)		33°C
(92°F)		36°C
(97°F)		33°C
(91°F)		32°C
(89°F)		24°C
(75°F)		22°C
(72°F)
Mean maximum18°C
(64°F)		19°C
(66°F)		22°C
(71°F)		24°C
(75°F)		28°C
(82°F)		29°C
(85°F)		33°C
(91°F)		34°C
(93°F)		32°C
(90°F)		29°C
(85°F)		23°C
(74°F)		19°C
(66°F)
Average high12°C
(55°F)		13°C
(56°F)		16°C
(61°F)		20°C
(67°F)		23°C
(74°F)		26°C
(78°F)		29°C
(85°F)		30°C
(87°F)		28°C
(83°F)		24°C
(75°F)		19°C
(67°F)		14°C
(57°F)
Daily mean9°C
(48°F)		9°C
(49°F)		13°C
(55°F)		16°C
(61°F)		20°C
(68°F)		23°C
(74°F)		27°C
(81°F)		28°C
(83°F)		25°C
(78°F)		21°C
(70°F)		15°C
(60°F)		10°C
(51°F)
Average low5°C
(42°F)		6°C
(43°F)		9°C
(48°F)		12°C
(55°F)		17°C
(63°F)		21°C
(70°F)		25°C
(77°F)		26°C
(79°F)		23°C
(74°F)		18°C
(65°F)		12°C
(54°F)		7°C
(45°F)
Mean minimum1°C
(34°F)		1°C
(35°F)		4°C
(40°F)		7°C
(44°F)		11°C
(52°F)		18°C
(64°F)		22°C
(72°F)		23°C
(74°F)		19°C
(66°F)		12°C
(54°F)		6°C
(44°F)		2°C
(36°F)
Minimum-1°C
(30°F)		-0°C
(32°F)		3°C
(38°F)		5°C
(41°F)		9°C
(49°F)		17°C
(62°F)		20°C
(69°F)		22°C
(72°F)		17°C
(62°F)		10°C
(51°F)		5°C
(40°F)		1°C
(34°F)

Compare climate in Kawaminami with other places

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

Monthly average precipitation in Kawaminami, Japan

Kawaminami usually has the most precipitation in July, August and September, with an average of 20 rainy days and 331 mm (13.0 inches) of precipitation per month. The driest months in Kawaminami are January, November and December. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kawaminami. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)56 (2.2)96 (3.8)156 (6.1)130 (5.1)207 (8.1)277 (10.9)381 (15.0)283 (11.1)329 (13.0)229 (9.0)77 (3.0)59 (2.3)
Average precipitation days (≥ 1 mm)5911911172218201286

Monthly sunshine hours in Kawaminami, Japan

The sunniest months in Kawaminami are April, May and August, when the sun shines an average of 9 hours 21 minutes a day. Least sunny months in Kawaminami: January, November and December receive an average of 7 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kawaminami. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours197236271284276249269299255254235232
Mean daily daylight hours10h 17m11h 1m11h 59m12h 57m13h 47m14h 12m13h 59m13h 16m12h 20m11h 21m10h 30m10h 4m

Solar UV radiation in Kawaminami, Japan

Kawaminami experiences the highest level of ultraviolet (UV) radiation in May, 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 Kawaminami UV Index data.

Average daily maximum UV levels by month for Kawaminami. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)569101212121211864