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Monthly climate in Himimachi, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Himimachi features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (38 °F) and 28 °C (83 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 2296 mm (90.4 inches) and receives 213 rainy days on the 1 mm (0.04 inches) threshold annually. Himimachi enjoys an average of 3024 hours of sunshine throughout the year, and daylight varies from 9 hours 40 minutes to 14 hours 37 minutes per day.

Monthly average temperatures in Himimachi, Japan

The warmest months in Himimachi are July, August and September, with daily mean temperatures ranging from 23 to 28 °C (74 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 6 °C (38 - 43 °F) throughout the day. On average each year, Himimachi experiences 103 days above 25 °C (77.0 °F) and 40 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Himimachi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		20°C
(68°F)		24°C
(76°F)		30°C
(86°F)		32°C
(91°F)		34°C
(93°F)		37°C
(99°F)		38°C
(100°F)		36°C
(98°F)		33°C
(91°F)		27°C
(80°F)		22°C
(72°F)
Mean maximum12°C
(55°F)		15°C
(59°F)		22°C
(72°F)		25°C
(78°F)		31°C
(88°F)		30°C
(87°F)		35°C
(95°F)		37°C
(98°F)		32°C
(90°F)		29°C
(85°F)		23°C
(75°F)		17°C
(63°F)
Average high6°C
(43°F)		7°C
(45°F)		13°C
(56°F)		18°C
(64°F)		24°C
(75°F)		26°C
(79°F)		30°C
(87°F)		32°C
(90°F)		27°C
(81°F)		21°C
(71°F)		16°C
(61°F)		10°C
(50°F)
Daily mean3°C
(38°F)		4°C
(39°F)		8°C
(47°F)		13°C
(55°F)		19°C
(66°F)		22°C
(72°F)		26°C
(80°F)		28°C
(83°F)		23°C
(74°F)		17°C
(64°F)		11°C
(53°F)		6°C
(43°F)
Average low-0°C
(32°F)		0°C
(33°F)		4°C
(39°F)		8°C
(46°F)		13°C
(56°F)		18°C
(64°F)		23°C
(74°F)		24°C
(76°F)		20°C
(68°F)		14°C
(57°F)		7°C
(45°F)		2°C
(37°F)
Mean minimum-5°C
(23°F)		-4°C
(25°F)		-2°C
(29°F)		1°C
(34°F)		6°C
(44°F)		13°C
(55°F)		20°C
(68°F)		20°C
(68°F)		14°C
(58°F)		8°C
(47°F)		1°C
(35°F)		-4°C
(26°F)
Minimum-9°C
(16°F)		-5°C
(24°F)		-3°C
(27°F)		-1°C
(31°F)		5°C
(41°F)		10°C
(50°F)		19°C
(67°F)		16°C
(62°F)		10°C
(51°F)		7°C
(46°F)		-1°C
(30°F)		-5°C
(23°F)

Compare climate in Himimachi with other places

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

Monthly average precipitation in Himimachi, Japan

Himimachi usually has the most precipitation in July, August and September, with an average of 19 rainy days and 286 mm (11.3 inches) of precipitation per month. The driest months in Himimachi are February, May and November. On average, 131 mm (5.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Himimachi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)149 (5.9)145 (5.7)159 (6.3)167 (6.6)124 (4.9)181 (7.1)356 (14.0)265 (10.4)238 (9.4)196 (7.7)124 (4.9)192 (7.5)
Average precipitation days (≥ 1 mm)212016151315212018151623

Monthly sunshine hours in Himimachi, Japan

The sunniest months in Himimachi are May, June and August, when the sun shines an average of 9 hours 57 minutes a day. Least sunny months in Himimachi: January, February and December receive an average of 6 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Himimachi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours155205260283306299290309255237222198
Mean daily daylight hours9h 55m10h 49m11h 57m13h 8m14h 7m14h 37m14h 22m13h 30m12h 23m11h 13m10h 11m9h 40m

Solar UV radiation in Himimachi, Japan

Himimachi 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 Himimachi UV Index data.

Average daily maximum UV levels by month for Himimachi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)35710101111119653