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Monthly climate in Rausu, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rausu features a subarctic climate (Dfc). Temperatures typically range between -6 °C (21 °F) and 17 °C (63 °F) through the year, but rarely can drop to -17 °C (1 °F) or can rise to as high as 27 °C (80 °F). The average annual precipitation amounts to about 1111 mm (43.7 inches) and receives 153 rainy days on the 1 mm (0.04 inches) threshold annually. Rausu enjoys an average of 2939 hours of sunshine throughout the year, and daylight varies from 8 hours 56 minutes to 15 hours 24 minutes per day.

Monthly average temperatures in Rausu, Japan

The warmest months in Rausu are July, August and September, with daily mean temperatures ranging from 15 to 17 °C (59 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -6 to -2 °C (21 - 29 °F) throughout the day. On average each year, Rausu experiences 1 days above 25 °C (77.0 °F) and 129 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rausu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum5°C
(42°F)		6°C
(42°F)		11°C
(53°F)		14°C
(58°F)		25°C
(77°F)		22°C
(71°F)		27°C
(80°F)		26°C
(79°F)		26°C
(80°F)		19°C
(67°F)		15°C
(59°F)		12°C
(54°F)
Mean maximum3°C
(38°F)		3°C
(37°F)		7°C
(45°F)		12°C
(54°F)		18°C
(64°F)		18°C
(65°F)		24°C
(75°F)		24°C
(76°F)		23°C
(74°F)		19°C
(66°F)		14°C
(58°F)		8°C
(47°F)
Average high-3°C
(27°F)		-4°C
(25°F)		1°C
(33°F)		5°C
(41°F)		10°C
(50°F)		12°C
(55°F)		17°C
(62°F)		19°C
(66°F)		18°C
(64°F)		14°C
(57°F)		8°C
(46°F)		1°C
(34°F)
Daily mean-5°C
(24°F)		-6°C
(21°F)		-2°C
(29°F)		2°C
(36°F)		7°C
(45°F)		10°C
(51°F)		15°C
(59°F)		17°C
(63°F)		16°C
(62°F)		12°C
(54°F)		6°C
(43°F)		-1°C
(30°F)
Average low-7°C
(20°F)		-9°C
(17°F)		-5°C
(24°F)		-0°C
(32°F)		5°C
(42°F)		9°C
(48°F)		13°C
(56°F)		16°C
(61°F)		15°C
(59°F)		10°C
(51°F)		4°C
(40°F)		-3°C
(27°F)
Mean minimum-11°C
(13°F)		-14°C
(8°F)		-11°C
(12°F)		-4°C
(24°F)		1°C
(35°F)		6°C
(42°F)		10°C
(49°F)		13°C
(56°F)		11°C
(53°F)		6°C
(43°F)		-1°C
(31°F)		-8°C
(19°F)
Minimum-12°C
(11°F)		-17°C
(1°F)		-13°C
(8°F)		-7°C
(20°F)		1°C
(34°F)		3°C
(39°F)		8°C
(48°F)		12°C
(54°F)		9°C
(48°F)		4°C
(39°F)		-4°C
(25°F)		-8°C
(18°F)

Compare climate in Rausu with other places

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

Monthly average precipitation in Rausu, Japan

Rausu usually has the most precipitation in August, October and November, with an average of 16 rainy days and 135 mm (5.3 inches) of precipitation per month. The driest months in Rausu are January, February and April. On average, 60 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rausu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)59 (2.3)54 (2.1)81 (3.2)67 (2.7)90 (3.5)89 (3.5)74 (2.9)109 (4.3)102 (4.0)182 (7.2)113 (4.4)91 (3.6)
Average precipitation days (≥ 1 mm)14101011121081211162019

Monthly sunshine hours in Rausu, Japan

The sunniest months in Rausu are May, June and July, when the sun shines an average of 9 hours 49 minutes a day. Least sunny months in Rausu: January, November and December receive an average of 5 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rausu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours152204246283289298315265264231192195
Mean daily daylight hours9h 17m10h 27m11h 55m13h 26m14h 44m15h 24m15h 4m13h 56m12h 28m10h 58m9h 38m8h 56m

Solar UV radiation in Rausu, Japan

Rausu 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 Rausu UV Index data.

Average daily maximum UV levels by month for Rausu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2357891097532