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Monthly climate in Narutocho-mitsuishi, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Narutocho-mitsuishi features a humid subtropical climate (Cfa). Temperatures typically range between 7 °C (44 °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 34 °C (93 °F). The average annual precipitation amounts to about 1749 mm (68.9 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually. Narutocho-mitsuishi enjoys an average of 3097 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 Narutocho-mitsuishi, Japan

The warmest months in Narutocho-mitsuishi are July, August and September, with daily mean temperatures ranging from 25 to 28 °C (77 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (44 - 49 °F) throughout the day. On average each year, Narutocho-mitsuishi experiences 82 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 Narutocho-mitsuishi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(60°F)		17°C
(63°F)		20°C
(68°F)		24°C
(75°F)		26°C
(79°F)		30°C
(86°F)		33°C
(91°F)		33°C
(92°F)		34°C
(93°F)		29°C
(84°F)		24°C
(75°F)		22°C
(71°F)
Mean maximum13°C
(56°F)		14°C
(58°F)		18°C
(65°F)		21°C
(70°F)		25°C
(77°F)		27°C
(81°F)		31°C
(88°F)		33°C
(91°F)		31°C
(88°F)		27°C
(81°F)		22°C
(72°F)		17°C
(64°F)
Average high9°C
(49°F)		9°C
(49°F)		13°C
(56°F)		17°C
(63°F)		21°C
(71°F)		24°C
(76°F)		28°C
(83°F)		30°C
(86°F)		27°C
(80°F)		22°C
(72°F)		17°C
(63°F)		12°C
(53°F)
Daily mean7°C
(44°F)		7°C
(45°F)		10°C
(51°F)		14°C
(58°F)		19°C
(66°F)		22°C
(72°F)		26°C
(79°F)		28°C
(83°F)		25°C
(77°F)		20°C
(68°F)		14°C
(58°F)		9°C
(49°F)
Average low4°C
(40°F)		4°C
(40°F)		7°C
(45°F)		11°C
(52°F)		16°C
(61°F)		20°C
(68°F)		24°C
(76°F)		26°C
(79°F)		23°C
(73°F)		18°C
(64°F)		12°C
(53°F)		7°C
(44°F)
Mean minimum1°C
(34°F)		1°C
(34°F)		3°C
(37°F)		5°C
(42°F)		11°C
(52°F)		16°C
(61°F)		22°C
(72°F)		23°C
(73°F)		19°C
(66°F)		13°C
(55°F)		7°C
(44°F)		3°C
(37°F)
Minimum-1°C
(30°F)		-1°C
(31°F)		2°C
(36°F)		5°C
(41°F)		10°C
(50°F)		15°C
(59°F)		21°C
(69°F)		20°C
(68°F)		17°C
(63°F)		12°C
(53°F)		6°C
(42°F)		1°C
(35°F)

Compare climate in Narutocho-mitsuishi with other places

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

Monthly average precipitation in Narutocho-mitsuishi, Japan

Narutocho-mitsuishi usually has the most precipitation in July, September and October, with an average of 14 rainy days and 275 mm (10.8 inches) of precipitation per month. The driest months in Narutocho-mitsuishi are January, November and December. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Narutocho-mitsuishi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)50 (2.0)60 (2.3)106 (4.2)116 (4.6)144 (5.7)180 (7.1)317 (12.5)160 (6.3)208 (8.2)298 (11.7)52 (2.1)58 (2.3)
Average precipitation days (≥ 1 mm)671089131611141279

Monthly sunshine hours in Narutocho-mitsuishi, Japan

The sunniest months in Narutocho-mitsuishi are April, May and August, when the sun shines an average of 9 hours 46 minutes a day. Least sunny months in Narutocho-mitsuishi: January, February and December receive an average of 6 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Narutocho-mitsuishi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours182228266283299282282315255245236218
Mean daily daylight hours10h 8m10h 56m11h 58m13h 2m13h 56m14h 22m14h 9m13h 22m12h 21m11h 18m10h 22m9h 54m

Solar UV radiation in Narutocho-mitsuishi, Japan

Narutocho-mitsuishi experiences the highest level of ultraviolet (UV) radiation in April, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure. January, February 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 Narutocho-mitsuishi UV Index data.

Average daily maximum UV levels by month for Narutocho-mitsuishi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)458111111121110754