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Monthly climate in Tobetsu, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tobetsu features a humid continental climate (Dfb). Temperatures typically range between -5 °C (23 °F) and 21 °C (71 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1176 mm (46.3 inches) and receives 179 rainy days on the 1 mm (0.04 inches) threshold annually. Tobetsu enjoys an average of 2880 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 Tobetsu, Japan

The warmest months in Tobetsu are July, August and September, with daily mean temperatures ranging from 18 to 21 °C (65 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -2 °C (23 - 29 °F) throughout the day. On average each year, Tobetsu experiences 22 days above 25 °C (77.0 °F) and 122 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tobetsu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(42°F)		5°C
(42°F)		15°C
(60°F)		21°C
(71°F)		30°C
(86°F)		26°C
(80°F)		31°C
(88°F)		31°C
(88°F)		29°C
(85°F)		24°C
(76°F)		17°C
(64°F)		13°C
(56°F)
Mean maximum3°C
(38°F)		4°C
(40°F)		10°C
(51°F)		19°C
(66°F)		24°C
(76°F)		23°C
(74°F)		29°C
(85°F)		30°C
(86°F)		27°C
(80°F)		22°C
(71°F)		16°C
(62°F)		9°C
(48°F)
Average high-2°C
(28°F)		-1°C
(30°F)		4°C
(39°F)		10°C
(51°F)		16°C
(62°F)		19°C
(67°F)		24°C
(75°F)		24°C
(76°F)		22°C
(71°F)		16°C
(61°F)		8°C
(47°F)		0°C
(33°F)
Daily mean-5°C
(23°F)		-4°C
(25°F)		1°C
(34°F)		6°C
(43°F)		13°C
(55°F)		16°C
(61°F)		21°C
(69°F)		21°C
(71°F)		18°C
(65°F)		12°C
(54°F)		5°C
(42°F)		-2°C
(29°F)
Average low-8°C
(18°F)		-7°C
(20°F)		-3°C
(27°F)		2°C
(36°F)		9°C
(48°F)		13°C
(55°F)		18°C
(64°F)		19°C
(66°F)		15°C
(59°F)		9°C
(48°F)		3°C
(37°F)		-4°C
(25°F)
Mean minimum-14°C
(7°F)		-13°C
(9°F)		-10°C
(14°F)		-3°C
(27°F)		4°C
(39°F)		8°C
(48°F)		14°C
(57°F)		13°C
(56°F)		9°C
(48°F)		3°C
(38°F)		-3°C
(27°F)		-10°C
(14°F)
Minimum-17°C
(2°F)		-14°C
(6°F)		-11°C
(12°F)		-4°C
(24°F)		2°C
(36°F)		7°C
(44°F)		10°C
(51°F)		12°C
(53°F)		6°C
(44°F)		1°C
(34°F)		-5°C
(23°F)		-13°C
(8°F)

Compare climate in Tobetsu with other places

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

Monthly average precipitation in Tobetsu, Japan

Tobetsu usually has the most precipitation in August, October and November, with an average of 17 rainy days and 143 mm (5.6 inches) of precipitation per month. The driest months in Tobetsu are January, February and April. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tobetsu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)52 (2.0)64 (2.5)76 (3.0)73 (2.9)90 (3.5)103 (4.1)103 (4.1)182 (7.2)99 (3.9)118 (4.7)127 (5.0)88 (3.4)
Average precipitation days (≥ 1 mm)161812111111111413162125

Monthly sunshine hours in Tobetsu, Japan

The sunniest months in Tobetsu are May, June and July, when the sun shines an average of 9 hours 54 minutes a day. Least sunny months in Tobetsu: January, November and December receive an average of 5 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tobetsu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours135190242281303293315284265229176163
Mean daily daylight hours9h 22m10h 29m11h 56m13h 24m14h 40m15h 18m14h 59m13h 53m12h 28m11h 0m9h 42m9h 1m

Solar UV radiation in Tobetsu, Japan

Tobetsu 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 Tobetsu UV Index data.

Average daily maximum UV levels by month for Tobetsu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2367899108532