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Monthly climate in Niseko Town, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Niseko Town features a humid continental climate (Dfb). Temperatures typically range between -6 °C (22 °F) and 20 °C (69 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 32 °C (89 °F). The average annual precipitation amounts to about 1192 mm (46.9 inches) and receives 180 rainy days on the 1 mm (0.04 inches) threshold annually. Niseko Town enjoys an average of 2925 hours of sunshine throughout the year, and daylight varies from 9 hours 4 minutes to 15 hours 15 minutes per day.

Monthly average temperatures in Niseko Town, Japan

The warmest months in Niseko Town are July, August and September, with daily mean temperatures ranging from 17 to 20 °C (62 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -4 °C (22 - 25 °F) throughout the day. On average each year, Niseko Town experiences 19 days above 25 °C (77.0 °F) and 139 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Niseko Town. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum4°C
(39°F)		7°C
(45°F)		13°C
(56°F)		19°C
(67°F)		29°C
(84°F)		26°C
(79°F)		31°C
(89°F)		32°C
(89°F)		28°C
(83°F)		24°C
(75°F)		16°C
(60°F)		11°C
(51°F)
Mean maximum2°C
(37°F)		4°C
(40°F)		10°C
(50°F)		16°C
(61°F)		23°C
(74°F)		22°C
(73°F)		28°C
(84°F)		29°C
(85°F)		26°C
(78°F)		21°C
(70°F)		15°C
(59°F)		8°C
(46°F)
Average high-3°C
(27°F)		-2°C
(29°F)		4°C
(39°F)		9°C
(48°F)		16°C
(61°F)		19°C
(66°F)		23°C
(74°F)		24°C
(75°F)		21°C
(70°F)		15°C
(59°F)		7°C
(45°F)		-1°C
(31°F)
Daily mean-6°C
(22°F)		-5°C
(23°F)		0°C
(32°F)		5°C
(41°F)		11°C
(53°F)		15°C
(59°F)		20°C
(68°F)		20°C
(69°F)		17°C
(62°F)		10°C
(51°F)		3°C
(39°F)		-4°C
(25°F)
Average low-9°C
(15°F)		-9°C
(17°F)		-4°C
(26°F)		0°C
(33°F)		7°C
(45°F)		11°C
(53°F)		17°C
(62°F)		17°C
(63°F)		13°C
(55°F)		6°C
(43°F)		0°C
(32°F)		-7°C
(19°F)
Mean minimum-16°C
(3°F)		-15°C
(6°F)		-10°C
(14°F)		-5°C
(24°F)		2°C
(36°F)		6°C
(43°F)		13°C
(55°F)		11°C
(52°F)		6°C
(43°F)		-1°C
(31°F)		-6°C
(21°F)		-14°C
(7°F)
Minimum-20°C
(-4°F)		-17°C
(1°F)		-13°C
(10°F)		-6°C
(22°F)		2°C
(35°F)		3°C
(38°F)		11°C
(51°F)		8°C
(47°F)		4°C
(39°F)		-2°C
(29°F)		-12°C
(11°F)		-17°C
(2°F)

Compare climate in Niseko Town with other places

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

Monthly average precipitation in Niseko Town, Japan

Niseko Town usually has the most precipitation in August, September and November, with an average of 15 rainy days and 127 mm (5.0 inches) of precipitation per month. The driest months in Niseko Town are January, February and December. On average, 73 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Niseko Town. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)64 (2.5)69 (2.7)89 (3.5)93 (3.7)87 (3.4)112 (4.4)97 (3.8)147 (5.8)116 (4.6)115 (4.5)116 (4.6)86 (3.4)
Average precipitation days (≥ 1 mm)151814121211121314152024

Monthly sunshine hours in Niseko Town, Japan

The sunniest months in Niseko Town are May, June and July, when the sun shines an average of 9 hours 58 minutes a day. Least sunny months in Niseko Town: January, November and December receive an average of 5 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Niseko Town. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours135192248288307297313288270236181167
Mean daily daylight hours9h 24m10h 31m11h 56m13h 23m14h 37m15h 15m14h 56m13h 51m12h 27m11h 1m9h 44m9h 4m

Solar UV radiation in Niseko Town, Japan

Niseko Town experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 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 Niseko Town UV Index data.

Average daily maximum UV levels by month for Niseko Town. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)236791010108632