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Monthly climate in Akita, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Akita features a humid subtropical climate (Cfa). Temperatures typically range between 1 °C (35 °F) and 25 °C (77 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 2160 mm (85.0 inches) and receives 216 rainy days on the 1 mm (0.04 inches) threshold annually. Akita enjoys an average of 2841 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 Akita, Japan

The warmest months in Akita are July, August and September, with daily mean temperatures ranging from 22 to 25 °C (71 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (35 - 40 °F) throughout the day. On average each year, Akita experiences 41 days above 25 °C (77.0 °F) and 36 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Akita. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		10°C
(51°F)		14°C
(58°F)		18°C
(65°F)		23°C
(74°F)		26°C
(80°F)		31°C
(87°F)		33°C
(91°F)		31°C
(89°F)		26°C
(78°F)		20°C
(68°F)		15°C
(60°F)
Mean maximum8°C
(46°F)		9°C
(48°F)		12°C
(54°F)		16°C
(62°F)		22°C
(72°F)		23°C
(74°F)		29°C
(84°F)		31°C
(89°F)		28°C
(83°F)		24°C
(75°F)		19°C
(66°F)		13°C
(55°F)
Average high3°C
(38°F)		3°C
(38°F)		7°C
(45°F)		11°C
(52°F)		16°C
(62°F)		20°C
(69°F)		25°C
(78°F)		27°C
(80°F)		24°C
(75°F)		18°C
(65°F)		12°C
(54°F)		6°C
(44°F)
Daily mean1°C
(35°F)		2°C
(35°F)		5°C
(42°F)		9°C
(49°F)		15°C
(58°F)		19°C
(66°F)		23°C
(74°F)		25°C
(77°F)		22°C
(71°F)		16°C
(62°F)		10°C
(51°F)		4°C
(40°F)
Average low-0°C
(32°F)		-0°C
(32°F)		3°C
(38°F)		7°C
(45°F)		13°C
(55°F)		17°C
(62°F)		22°C
(71°F)		23°C
(74°F)		20°C
(68°F)		14°C
(58°F)		9°C
(48°F)		3°C
(37°F)
Mean minimum-5°C
(23°F)		-4°C
(25°F)		-1°C
(30°F)		3°C
(37°F)		8°C
(47°F)		13°C
(56°F)		18°C
(65°F)		20°C
(68°F)		16°C
(60°F)		10°C
(50°F)		3°C
(37°F)		-2°C
(29°F)
Minimum-9°C
(16°F)		-5°C
(23°F)		-5°C
(23°F)		1°C
(35°F)		7°C
(45°F)		11°C
(52°F)		17°C
(63°F)		18°C
(65°F)		14°C
(58°F)		9°C
(48°F)		1°C
(34°F)		-4°C
(26°F)

Compare climate in Akita with other places

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

Monthly average precipitation in Akita, Japan

Akita usually has the most precipitation in August, October and December, with an average of 19 rainy days and 234 mm (9.2 inches) of precipitation per month. The driest months in Akita are January, March and May. On average, 137 mm (5.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Akita. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)139 (5.5)157 (6.2)127 (5.0)146 (5.7)144 (5.7)172 (6.8)189 (7.4)229 (9.0)181 (7.1)223 (8.8)204 (8.0)249 (9.8)
Average precipitation days (≥ 1 mm)212317161513141517162128

Monthly sunshine hours in Akita, Japan

The sunniest months in Akita are May, July and August, when the sun shines an average of 9 hours 35 minutes a day. Least sunny months in Akita: January, February and December receive an average of 5 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Akita. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours142183235266294287296301258221186167
Mean daily daylight hours9h 41m10h 41m11h 56m13h 15m14h 21m14h 55m14h 38m13h 40m12h 25m11h 7m9h 59m9h 23m

Solar UV radiation in Akita, Japan

Akita 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 Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Akita UV Index data.

Average daily maximum UV levels by month for Akita. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)336891010119642