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Monthly climate in Asahikawa, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Asahikawa features a humid continental climate (Dfb). Temperatures typically range between -8 °C (19 °F) and 21 °C (69 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 1338 mm (52.7 inches) and receives 202 rainy days on the 1 mm (0.04 inches) threshold annually. Asahikawa enjoys an average of 2881 hours of sunshine throughout the year, and daylight varies from 8 hours 58 minutes to 15 hours 22 minutes per day.

Monthly average temperatures in Asahikawa, Japan

The warmest months in Asahikawa are July, August and September, with daily mean temperatures ranging from 16 to 21 °C (62 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -4 °C (19 - 24 °F) throughout the day. On average each year, Asahikawa experiences 24 days above 25 °C (77.0 °F) and 141 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Asahikawa. 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)		16°C
(61°F)		22°C
(72°F)		32°C
(90°F)		28°C
(82°F)		31°C
(89°F)		32°C
(90°F)		29°C
(85°F)		23°C
(75°F)		16°C
(61°F)		13°C
(55°F)
Mean maximum2°C
(36°F)		4°C
(40°F)		12°C
(54°F)		19°C
(67°F)		26°C
(79°F)		25°C
(76°F)		30°C
(86°F)		30°C
(86°F)		27°C
(80°F)		21°C
(70°F)		15°C
(59°F)		8°C
(46°F)
Average high-4°C
(26°F)		-2°C
(28°F)		4°C
(39°F)		11°C
(52°F)		17°C
(63°F)		20°C
(68°F)		24°C
(76°F)		24°C
(76°F)		21°C
(70°F)		15°C
(58°F)		7°C
(44°F)		-1°C
(30°F)
Daily mean-8°C
(19°F)		-6°C
(21°F)		-0°C
(32°F)		6°C
(43°F)		12°C
(55°F)		16°C
(61°F)		21°C
(69°F)		20°C
(69°F)		16°C
(62°F)		10°C
(50°F)		3°C
(38°F)		-4°C
(24°F)
Average low-12°C
(11°F)		-10°C
(13°F)		-5°C
(24°F)		1°C
(34°F)		8°C
(46°F)		12°C
(53°F)		17°C
(63°F)		17°C
(63°F)		12°C
(53°F)		5°C
(42°F)		-1°C
(31°F)		-8°C
(18°F)
Mean minimum-21°C
(-6°F)		-19°C
(-2°F)		-14°C
(8°F)		-4°C
(25°F)		1°C
(34°F)		6°C
(43°F)		13°C
(55°F)		10°C
(50°F)		5°C
(41°F)		-2°C
(29°F)		-9°C
(17°F)		-16°C
(3°F)
Minimum-23°C
(-10°F)		-25°C
(-13°F)		-17°C
(1°F)		-6°C
(22°F)		-0°C
(32°F)		3°C
(38°F)		9°C
(48°F)		8°C
(48°F)		2°C
(37°F)		-3°C
(26°F)		-10°C
(14°F)		-19°C
(-2°F)

Compare climate in Asahikawa with other places

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

Monthly average precipitation in Asahikawa, Japan

Asahikawa usually has the most precipitation in August, October and November, with an average of 18 rainy days and 162 mm (6.4 inches) of precipitation per month. The driest months in Asahikawa are January, February and April. On average, 71 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Asahikawa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)59 (2.3)79 (3.1)87 (3.4)76 (3.0)104 (4.1)103 (4.1)131 (5.1)200 (7.9)103 (4.1)148 (5.8)138 (5.4)109 (4.3)
Average precipitation days (≥ 1 mm)171915141414131713162327

Monthly sunshine hours in Asahikawa, Japan

The sunniest months in Asahikawa are May, June and July, when the sun shines an average of 9 hours 36 minutes a day. Least sunny months in Asahikawa: January, November and December receive an average of 5 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Asahikawa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours148194246277295284304275259229182182
Mean daily daylight hours9h 18m10h 27m11h 56m13h 26m14h 43m15h 22m15h 3m13h 55m12h 28m10h 58m9h 39m8h 58m

Solar UV radiation in Asahikawa, Japan

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

Average daily maximum UV levels by month for Asahikawa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)23679910108532