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Monthly climate in Muikamachi, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Muikamachi features a humid subtropical climate (Cfa). Temperatures typically range between -4 °C (26 °F) and 23 °C (73 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 2286 mm (90.0 inches) and receives 230 rainy days on the 1 mm (0.04 inches) threshold annually. Muikamachi enjoys an average of 2939 hours of sunshine throughout the year, and daylight varies from 9 hours 38 minutes to 14 hours 38 minutes per day.

Monthly average temperatures in Muikamachi, Japan

The warmest months in Muikamachi are July, August and September, with daily mean temperatures ranging from 18 to 23 °C (65 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -1 °C (26 - 31 °F) throughout the day. On average each year, Muikamachi experiences 38 days above 25 °C (77.0 °F) and 121 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Muikamachi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		11°C
(53°F)		18°C
(65°F)		25°C
(77°F)		29°C
(84°F)		28°C
(83°F)		31°C
(88°F)		31°C
(89°F)		30°C
(86°F)		25°C
(78°F)		20°C
(67°F)		17°C
(63°F)
Mean maximum5°C
(41°F)		7°C
(46°F)		14°C
(57°F)		20°C
(68°F)		26°C
(79°F)		25°C
(77°F)		29°C
(85°F)		31°C
(88°F)		27°C
(81°F)		24°C
(76°F)		17°C
(63°F)		11°C
(52°F)
Average high-0°C
(32°F)		1°C
(33°F)		6°C
(42°F)		11°C
(53°F)		18°C
(65°F)		21°C
(70°F)		25°C
(77°F)		27°C
(80°F)		22°C
(72°F)		16°C
(61°F)		10°C
(50°F)		3°C
(37°F)
Daily mean-4°C
(26°F)		-3°C
(27°F)		1°C
(35°F)		7°C
(44°F)		14°C
(57°F)		17°C
(63°F)		21°C
(71°F)		23°C
(73°F)		18°C
(65°F)		12°C
(54°F)		6°C
(43°F)		-1°C
(31°F)
Average low-7°C
(20°F)		-6°C
(21°F)		-3°C
(27°F)		2°C
(36°F)		9°C
(48°F)		13°C
(56°F)		18°C
(65°F)		19°C
(67°F)		15°C
(59°F)		9°C
(48°F)		2°C
(35°F)		-5°C
(23°F)
Mean minimum-14°C
(8°F)		-12°C
(10°F)		-10°C
(15°F)		-7°C
(20°F)		1°C
(34°F)		8°C
(46°F)		15°C
(59°F)		14°C
(58°F)		9°C
(49°F)		2°C
(37°F)		-6°C
(21°F)		-14°C
(8°F)
Minimum-16°C
(4°F)		-20°C
(-4°F)		-14°C
(7°F)		-9°C
(17°F)		0°C
(33°F)		5°C
(41°F)		13°C
(56°F)		8°C
(47°F)		5°C
(42°F)		1°C
(34°F)		-10°C
(15°F)		-16°C
(3°F)

Compare climate in Muikamachi with other places

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

Monthly average precipitation in Muikamachi, Japan

Muikamachi usually has the most precipitation in July, October and December, with an average of 20 rainy days and 256 mm (10.1 inches) of precipitation per month. The driest months in Muikamachi are April, May and November. On average, 145 mm (5.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Muikamachi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)184 (7.2)178 (7.0)172 (6.8)156 (6.1)160 (6.3)178 (7.0)334 (13.1)191 (7.5)181 (7.1)233 (9.2)120 (4.7)202 (8.0)
Average precipitation days (≥ 1 mm)222220181517231918171722

Monthly sunshine hours in Muikamachi, Japan

The sunniest months in Muikamachi are May, June and August, when the sun shines an average of 9 hours 33 minutes a day. Least sunny months in Muikamachi: January, February and December receive an average of 6 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Muikamachi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours162211254278301284271293249217215199
Mean daily daylight hours9h 54m10h 48m11h 57m13h 8m14h 8m14h 38m14h 23m13h 31m12h 23m11h 12m10h 10m9h 38m

Solar UV radiation in Muikamachi, Japan

Muikamachi experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 11, 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 Muikamachi UV Index data.

Average daily maximum UV levels by month for Muikamachi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)4589101111119753