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Monthly climate in Mihara, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mihara features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (41 °F) and 28 °C (83 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1546 mm (60.9 inches) and receives 112 rainy days on the 1 mm (0.04 inches) threshold annually. Mihara enjoys an average of 3133 hours of sunshine throughout the year, and daylight varies from 9 hours 53 minutes to 14 hours 24 minutes per day.

Monthly average temperatures in Mihara, Japan

The warmest months in Mihara are July, August and September, with daily mean temperatures ranging from 24 to 28 °C (75 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (41 - 44 °F) throughout the day. On average each year, Mihara experiences 108 days above 25 °C (77.0 °F) and 28 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mihara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		20°C
(69°F)		23°C
(73°F)		26°C
(80°F)		31°C
(88°F)		31°C
(88°F)		38°C
(100°F)		38°C
(101°F)		34°C
(93°F)		31°C
(89°F)		24°C
(75°F)		20°C
(68°F)
Mean maximum13°C
(56°F)		16°C
(61°F)		21°C
(70°F)		25°C
(77°F)		29°C
(84°F)		30°C
(87°F)		34°C
(94°F)		36°C
(97°F)		33°C
(92°F)		29°C
(84°F)		22°C
(73°F)		16°C
(62°F)
Average high9°C
(48°F)		10°C
(50°F)		15°C
(59°F)		19°C
(67°F)		24°C
(75°F)		26°C
(80°F)		30°C
(86°F)		32°C
(90°F)		28°C
(82°F)		23°C
(73°F)		17°C
(63°F)		11°C
(52°F)
Daily mean5°C
(41°F)		5°C
(42°F)		10°C
(50°F)		14°C
(58°F)		19°C
(67°F)		22°C
(73°F)		26°C
(80°F)		28°C
(83°F)		24°C
(75°F)		18°C
(65°F)		12°C
(54°F)		7°C
(44°F)
Average low1°C
(34°F)		1°C
(35°F)		5°C
(41°F)		9°C
(49°F)		14°C
(58°F)		18°C
(66°F)		23°C
(74°F)		25°C
(77°F)		20°C
(69°F)		14°C
(58°F)		7°C
(45°F)		3°C
(37°F)
Mean minimum-3°C
(27°F)		-2°C
(28°F)		-0°C
(32°F)		2°C
(36°F)		8°C
(46°F)		14°C
(58°F)		20°C
(69°F)		20°C
(69°F)		14°C
(57°F)		7°C
(45°F)		1°C
(34°F)		-1°C
(30°F)
Minimum-5°C
(23°F)		-4°C
(25°F)		-2°C
(29°F)		-0°C
(32°F)		6°C
(44°F)		12°C
(53°F)		18°C
(65°F)		18°C
(65°F)		13°C
(56°F)		6°C
(43°F)		-0°C
(32°F)		-2°C
(29°F)

Compare climate in Mihara with other places

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

Monthly average precipitation in Mihara, Japan

Mihara usually has the most precipitation in July, August and September, with an average of 13 rainy days and 242 mm (9.5 inches) of precipitation per month. The driest months in Mihara are January, November and December. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mihara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)41 (1.6)54 (2.1)100 (3.9)117 (4.6)109 (4.3)156 (6.1)340 (13.4)198 (7.8)188 (7.4)164 (6.4)33 (1.3)47 (1.8)
Average precipitation days (≥ 1 mm)66108913171212946

Monthly sunshine hours in Mihara, Japan

The sunniest months in Mihara are May, June and August, when the sun shines an average of 9 hours 52 minutes a day. Least sunny months in Mihara: January, February and December receive an average of 6 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mihara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours184229266283305293284309261253238222
Mean daily daylight hours10h 7m10h 55m11h 58m13h 2m13h 56m14h 24m14h 10m13h 23m12h 21m11h 17m10h 21m9h 53m

Solar UV radiation in Mihara, Japan

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

Average daily maximum UV levels by month for Mihara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)458101111121210764