nomadseason

Monthly climate in Ashoro, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ashoro features a humid continental climate (Dfb). Temperatures typically range between -9 °C (17 °F) and 18 °C (65 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1155 mm (45.5 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually. Ashoro enjoys an average of 2886 hours of sunshine throughout the year, and daylight varies from 9 hours 1 minutes to 15 hours 18 minutes per day.

Monthly average temperatures in Ashoro, Japan

The warmest months in Ashoro are July, August and September, with daily mean temperatures ranging from 15 to 18 °C (59 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -5 °C (17 - 23 °F) throughout the day. On average each year, Ashoro experiences 16 days above 25 °C (77.0 °F) and 149 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ashoro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum4°C
(40°F)		6°C
(43°F)		15°C
(59°F)		22°C
(71°F)		34°C
(94°F)		28°C
(83°F)		32°C
(90°F)		32°C
(89°F)		29°C
(85°F)		23°C
(73°F)		16°C
(62°F)		11°C
(53°F)
Mean maximum2°C
(35°F)		4°C
(39°F)		11°C
(52°F)		19°C
(66°F)		26°C
(79°F)		23°C
(74°F)		29°C
(85°F)		30°C
(86°F)		26°C
(79°F)		21°C
(69°F)		14°C
(57°F)		6°C
(44°F)
Average high-4°C
(25°F)		-3°C
(27°F)		3°C
(38°F)		9°C
(49°F)		15°C
(60°F)		18°C
(64°F)		22°C
(71°F)		22°C
(71°F)		19°C
(67°F)		13°C
(57°F)		6°C
(43°F)		-1°C
(30°F)
Daily mean-9°C
(17°F)		-8°C
(18°F)		-1°C
(30°F)		4°C
(40°F)		11°C
(52°F)		14°C
(57°F)		18°C
(65°F)		18°C
(65°F)		15°C
(59°F)		9°C
(49°F)		2°C
(36°F)		-5°C
(23°F)
Average low-13°C
(9°F)		-13°C
(8°F)		-6°C
(21°F)		-1°C
(31°F)		6°C
(43°F)		10°C
(50°F)		15°C
(59°F)		15°C
(60°F)		11°C
(53°F)		5°C
(41°F)		-2°C
(29°F)		-9°C
(17°F)
Mean minimum-21°C
(-5°F)		-22°C
(-7°F)		-15°C
(5°F)		-6°C
(21°F)		1°C
(33°F)		5°C
(41°F)		10°C
(51°F)		10°C
(50°F)		5°C
(41°F)		-2°C
(29°F)		-9°C
(17°F)		-16°C
(4°F)
Minimum-23°C
(-8°F)		-27°C
(-17°F)		-17°C
(1°F)		-9°C
(16°F)		-1°C
(30°F)		3°C
(38°F)		8°C
(46°F)		8°C
(46°F)		2°C
(36°F)		-4°C
(25°F)		-13°C
(9°F)		-19°C
(-3°F)

Compare climate in Ashoro with other places

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

Monthly average precipitation in Ashoro, Japan

Ashoro usually has the most precipitation in June, August and October, with an average of 13 rainy days and 146 mm (5.7 inches) of precipitation per month. The driest months in Ashoro are January, February and December. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ashoro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)44 (1.7)46 (1.8)98 (3.8)84 (3.3)96 (3.8)114 (4.5)90 (3.5)155 (6.1)114 (4.5)169 (6.6)92 (3.6)53 (2.1)
Average precipitation days (≥ 1 mm)771112121311151313108

Monthly sunshine hours in Ashoro, Japan

The sunniest months in Ashoro are April, May and June, when the sun shines an average of 9 hours 22 minutes a day. Least sunny months in Ashoro: January, November and December receive an average of 6 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ashoro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours169216259279297277266248236228198209
Mean daily daylight hours9h 22m10h 29m11h 56m13h 24m14h 40m15h 18m14h 59m13h 53m12h 28m11h 0m9h 42m9h 1m

Solar UV radiation in Ashoro, Japan

Ashoro experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High 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 Ashoro UV Index data.

Average daily maximum UV levels by month for Ashoro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)23588101098532