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Monthly climate in Tsukawaki, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tsukawaki features a humid subtropical climate (Cfa). Temperatures typically range between 4 °C (39 °F) and 26 °C (80 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1840 mm (72.4 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually. Tsukawaki enjoys an average of 2914 hours of sunshine throughout the year, and daylight varies from 9 hours 58 minutes to 14 hours 18 minutes per day.

Monthly average temperatures in Tsukawaki, Japan

The warmest months in Tsukawaki are July, August and September, with daily mean temperatures ranging from 22 to 26 °C (73 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 5 °C (39 - 42 °F) throughout the day. On average each year, Tsukawaki experiences 92 days above 25 °C (77.0 °F) and 45 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tsukawaki. 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)		23°C
(74°F)		28°C
(83°F)		30°C
(87°F)		31°C
(88°F)		34°C
(93°F)		35°C
(95°F)		32°C
(90°F)		29°C
(84°F)		25°C
(77°F)		22°C
(71°F)
Mean maximum15°C
(59°F)		16°C
(62°F)		21°C
(71°F)		25°C
(77°F)		29°C
(84°F)		29°C
(85°F)		33°C
(92°F)		33°C
(92°F)		31°C
(88°F)		28°C
(83°F)		22°C
(72°F)		17°C
(63°F)
Average high8°C
(47°F)		9°C
(49°F)		14°C
(58°F)		19°C
(66°F)		23°C
(74°F)		25°C
(78°F)		29°C
(84°F)		30°C
(87°F)		26°C
(79°F)		22°C
(71°F)		16°C
(61°F)		10°C
(50°F)
Daily mean4°C
(39°F)		5°C
(41°F)		9°C
(49°F)		13°C
(57°F)		18°C
(65°F)		21°C
(71°F)		25°C
(77°F)		26°C
(80°F)		22°C
(73°F)		17°C
(63°F)		11°C
(52°F)		5°C
(42°F)
Average low0°C
(32°F)		1°C
(33°F)		4°C
(40°F)		8°C
(47°F)		14°C
(57°F)		18°C
(64°F)		22°C
(72°F)		23°C
(73°F)		19°C
(67°F)		13°C
(56°F)		6°C
(43°F)		1°C
(35°F)
Mean minimum-5°C
(24°F)		-4°C
(25°F)		-1°C
(30°F)		1°C
(34°F)		6°C
(44°F)		13°C
(56°F)		19°C
(67°F)		19°C
(67°F)		14°C
(57°F)		6°C
(44°F)		-0°C
(32°F)		-3°C
(27°F)
Minimum-8°C
(18°F)		-7°C
(19°F)		-2°C
(28°F)		-0°C
(32°F)		3°C
(38°F)		12°C
(53°F)		16°C
(61°F)		17°C
(64°F)		13°C
(55°F)		5°C
(42°F)		-2°C
(29°F)		-4°C
(25°F)

Compare climate in Tsukawaki with other places

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

Monthly average precipitation in Tsukawaki, Japan

Tsukawaki usually has the most precipitation in June, July and August, with an average of 17 rainy days and 268 mm (10.5 inches) of precipitation per month. The driest months in Tsukawaki are January, November and December. On average, 60 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tsukawaki. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)56 (2.2)80 (3.2)130 (5.1)117 (4.6)165 (6.5)211 (8.3)340 (13.4)252 (9.9)210 (8.3)157 (6.2)55 (2.2)67 (2.6)
Average precipitation days (≥ 1 mm)61113913162016171088

Monthly sunshine hours in Tsukawaki, Japan

The sunniest months in Tsukawaki are April, May and August, when the sun shines an average of 9 hours 6 minutes a day. Least sunny months in Tsukawaki: January, November and December receive an average of 6 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tsukawaki. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours173228255271278245252287238239226217
Mean daily daylight hours10h 12m10h 58m11h 58m13h 0m13h 52m14h 18m14h 5m13h 19m12h 20m11h 19m10h 26m9h 58m

Solar UV radiation in Tsukawaki, Japan

Tsukawaki 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 Tsukawaki UV Index data.

Average daily maximum UV levels by month for Tsukawaki. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)469111212121211864