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Monthly climate in Tochigi, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tochigi features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (38 °F) and 26 °C (80 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 1844 mm (72.6 inches) and receives 169 rainy days on the 1 mm (0.04 inches) threshold annually. Tochigi enjoys an average of 2899 hours of sunshine throughout the year, and daylight varies from 9 hours 42 minutes to 14 hours 35 minutes per day.

Monthly average temperatures in Tochigi, Japan

The warmest months in Tochigi are July, August and September, with daily mean temperatures ranging from 22 to 26 °C (72 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (38 - 42 °F) throughout the day. On average each year, Tochigi experiences 87 days above 25 °C (77.0 °F) and 51 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tochigi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(60°F)		20°C
(69°F)		23°C
(74°F)		28°C
(83°F)		32°C
(91°F)		33°C
(92°F)		35°C
(96°F)		36°C
(96°F)		34°C
(93°F)		31°C
(87°F)		23°C
(73°F)		18°C
(65°F)
Mean maximum14°C
(57°F)		16°C
(62°F)		21°C
(70°F)		25°C
(77°F)		30°C
(86°F)		29°C
(84°F)		33°C
(92°F)		35°C
(94°F)		32°C
(90°F)		28°C
(83°F)		22°C
(71°F)		16°C
(61°F)
Average high8°C
(46°F)		9°C
(49°F)		14°C
(57°F)		18°C
(64°F)		23°C
(73°F)		25°C
(77°F)		28°C
(83°F)		30°C
(87°F)		26°C
(79°F)		21°C
(69°F)		16°C
(61°F)		10°C
(50°F)
Daily mean3°C
(38°F)		4°C
(40°F)		8°C
(47°F)		13°C
(55°F)		18°C
(65°F)		21°C
(70°F)		25°C
(77°F)		26°C
(80°F)		22°C
(72°F)		17°C
(63°F)		11°C
(52°F)		5°C
(42°F)
Average low-1°C
(31°F)		-0°C
(32°F)		3°C
(38°F)		8°C
(46°F)		13°C
(56°F)		17°C
(63°F)		22°C
(71°F)		23°C
(74°F)		19°C
(67°F)		13°C
(56°F)		6°C
(44°F)		1°C
(34°F)
Mean minimum-5°C
(23°F)		-4°C
(25°F)		-3°C
(27°F)		1°C
(35°F)		6°C
(42°F)		13°C
(56°F)		18°C
(65°F)		18°C
(65°F)		13°C
(57°F)		7°C
(44°F)		-0°C
(32°F)		-3°C
(28°F)
Minimum-12°C
(11°F)		-6°C
(22°F)		-5°C
(24°F)		-1°C
(31°F)		4°C
(40°F)		11°C
(52°F)		17°C
(63°F)		15°C
(59°F)		12°C
(53°F)		4°C
(39°F)		-3°C
(28°F)		-3°C
(26°F)

Compare climate in Tochigi with other places

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

Monthly average precipitation in Tochigi, Japan

Tochigi usually has the most precipitation in July, September and October, with an average of 21 rainy days and 262 mm (10.3 inches) of precipitation per month. The driest months in Tochigi are January, February and December. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tochigi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)38 (1.5)43 (1.7)141 (5.5)144 (5.7)160 (6.3)194 (7.6)296 (11.6)218 (8.6)225 (8.8)267 (10.5)67 (2.6)54 (2.1)
Average precipitation days (≥ 1 mm)56111315192522221786

Monthly sunshine hours in Tochigi, Japan

The sunniest months in Tochigi are April, May and August, when the sun shines an average of 8 hours 57 minutes a day. Least sunny months in Tochigi: January, September and October receive an average of 6 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tochigi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours190238263276278261227269224206231231
Mean daily daylight hours9h 58m10h 50m11h 57m13h 7m14h 5m14h 35m14h 20m13h 29m12h 23m11h 14m10h 13m9h 42m

Solar UV radiation in Tochigi, Japan

Tochigi experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Tochigi UV Index data.

Average daily maximum UV levels by month for Tochigi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3579101111109653