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Monthly climate in Morioka, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Morioka features a humid continental climate (Dfb). Temperatures typically range between -5 °C (24 °F) and 22 °C (72 °F) through the year, but rarely can drop to -20 °C (-3 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 1316 mm (51.8 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually. Morioka enjoys an average of 2778 hours of sunshine throughout the year, and daylight varies from 9 hours 23 minutes to 14 hours 55 minutes per day.

Monthly average temperatures in Morioka, Japan

The warmest months in Morioka are July, August and September, with daily mean temperatures ranging from 17 to 22 °C (64 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -2 °C (24 - 29 °F) throughout the day. On average each year, Morioka experiences 31 days above 25 °C (77.0 °F) and 128 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Morioka. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum5°C
(40°F)		7°C
(45°F)		16°C
(60°F)		22°C
(72°F)		28°C
(83°F)		28°C
(83°F)		32°C
(89°F)		33°C
(91°F)		30°C
(87°F)		25°C
(78°F)		18°C
(64°F)		12°C
(54°F)
Mean maximum4°C
(39°F)		6°C
(43°F)		14°C
(57°F)		19°C
(67°F)		25°C
(77°F)		24°C
(76°F)		29°C
(85°F)		31°C
(87°F)		27°C
(81°F)		23°C
(73°F)		16°C
(61°F)		9°C
(48°F)
Average high-1°C
(31°F)		-0°C
(32°F)		6°C
(42°F)		11°C
(52°F)		17°C
(64°F)		20°C
(69°F)		24°C
(76°F)		25°C
(78°F)		21°C
(71°F)		15°C
(60°F)		9°C
(48°F)		2°C
(35°F)
Daily mean-5°C
(24°F)		-4°C
(25°F)		1°C
(35°F)		6°C
(44°F)		13°C
(56°F)		17°C
(62°F)		21°C
(70°F)		22°C
(72°F)		17°C
(64°F)		11°C
(53°F)		5°C
(41°F)		-2°C
(29°F)
Average low-9°C
(16°F)		-9°C
(17°F)		-3°C
(27°F)		2°C
(36°F)		9°C
(48°F)		13°C
(55°F)		18°C
(65°F)		19°C
(66°F)		14°C
(57°F)		7°C
(45°F)		1°C
(34°F)		-5°C
(23°F)
Mean minimum-17°C
(2°F)		-16°C
(3°F)		-11°C
(12°F)		-4°C
(24°F)		2°C
(36°F)		9°C
(48°F)		13°C
(56°F)		13°C
(56°F)		7°C
(45°F)		0°C
(33°F)		-5°C
(23°F)		-12°C
(10°F)
Minimum-20°C
(-3°F)		-18°C
(-1°F)		-15°C
(4°F)		-12°C
(11°F)		1°C
(34°F)		6°C
(42°F)		12°C
(55°F)		9°C
(48°F)		2°C
(36°F)		-0°C
(32°F)		-11°C
(12°F)		-14°C
(7°F)

Compare climate in Morioka with other places

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

Monthly average precipitation in Morioka, Japan

Morioka usually has the most precipitation in July, August and October, with an average of 14 rainy days and 153 mm (6.0 inches) of precipitation per month. The driest months in Morioka are January, February and November. On average, 73 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Morioka. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)65 (2.6)87 (3.4)103 (4.0)125 (4.9)99 (3.9)111 (4.4)169 (6.7)146 (5.8)112 (4.4)144 (5.7)66 (2.6)89 (3.5)
Average precipitation days (≥ 1 mm)121614161312161612121117

Monthly sunshine hours in Morioka, Japan

The sunniest months in Morioka are May, June and July, when the sun shines an average of 8 hours 55 minutes a day. Least sunny months in Morioka: January, November and December receive an average of 5 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Morioka. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours156205252257287273261252236207201187
Mean daily daylight hours9h 41m10h 41m11h 56m13h 15m14h 21m14h 55m14h 38m13h 40m12h 25m11h 7m9h 59m9h 23m

Solar UV radiation in Morioka, Japan

Morioka experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / 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 4. For more detailed information, check out our hourly Morioka UV Index data.

Average daily maximum UV levels by month for Morioka. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346991110119643