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Monthly climate in Toyohashi, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Toyohashi features a humid subtropical climate (Cfa). Temperatures typically range between 6 °C (44 °F) and 29 °C (85 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 2071 mm (81.5 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually. Toyohashi enjoys an average of 3085 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in Toyohashi, Japan

The warmest months in Toyohashi are July, August and September, with daily mean temperatures ranging from 25 to 29 °C (78 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 9 °C (44 - 48 °F) throughout the day. On average each year, Toyohashi experiences 117 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Toyohashi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		21°C
(70°F)		24°C
(76°F)		28°C
(82°F)		32°C
(89°F)		33°C
(92°F)		41°C
(106°F)		40°C
(105°F)		35°C
(95°F)		31°C
(89°F)		24°C
(75°F)		22°C
(73°F)
Mean maximum15°C
(60°F)		18°C
(64°F)		22°C
(72°F)		25°C
(78°F)		30°C
(86°F)		31°C
(87°F)		35°C
(96°F)		38°C
(100°F)		34°C
(94°F)		30°C
(86°F)		23°C
(74°F)		19°C
(66°F)
Average high10°C
(51°F)		12°C
(53°F)		16°C
(61°F)		20°C
(68°F)		24°C
(76°F)		27°C
(81°F)		30°C
(87°F)		33°C
(91°F)		29°C
(84°F)		24°C
(75°F)		19°C
(66°F)		13°C
(56°F)
Daily mean6°C
(44°F)		7°C
(45°F)		12°C
(53°F)		16°C
(60°F)		20°C
(69°F)		23°C
(74°F)		27°C
(81°F)		29°C
(85°F)		25°C
(78°F)		20°C
(68°F)		14°C
(58°F)		9°C
(48°F)
Average low3°C
(38°F)		4°C
(39°F)		7°C
(45°F)		11°C
(53°F)		16°C
(61°F)		20°C
(68°F)		24°C
(76°F)		26°C
(79°F)		22°C
(72°F)		17°C
(63°F)		10°C
(51°F)		5°C
(42°F)
Mean minimum-1°C
(31°F)		-0°C
(31°F)		2°C
(36°F)		5°C
(41°F)		10°C
(50°F)		16°C
(62°F)		21°C
(70°F)		22°C
(73°F)		18°C
(64°F)		11°C
(52°F)		4°C
(40°F)		1°C
(34°F)
Minimum-2°C
(29°F)		-2°C
(29°F)		1°C
(34°F)		3°C
(38°F)		9°C
(48°F)		15°C
(59°F)		19°C
(67°F)		20°C
(68°F)		15°C
(59°F)		10°C
(50°F)		2°C
(37°F)		-1°C
(31°F)

Compare climate in Toyohashi with other places

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

Monthly average precipitation in Toyohashi, Japan

Toyohashi usually has the most precipitation in June, July and October, with an average of 16 rainy days and 303 mm (11.9 inches) of precipitation per month. The driest months in Toyohashi are January, February and December. On average, 61 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Toyohashi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)49 (1.9)69 (2.7)154 (6.1)160 (6.3)187 (7.4)240 (9.4)385 (15.2)189 (7.4)217 (8.5)284 (11.2)75 (2.9)65 (2.6)
Average precipitation days (≥ 1 mm)45101011152015181586

Monthly sunshine hours in Toyohashi, Japan

The sunniest months in Toyohashi are April, May and August, when the sun shines an average of 9 hours 44 minutes a day. Least sunny months in Toyohashi: January, October and December receive an average of 6 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Toyohashi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours188234268281298274267316256226241230
Mean daily daylight hours10h 5m10h 54m11h 58m13h 3m13h 58m14h 26m14h 12m13h 24m12h 21m11h 16m10h 20m9h 51m

Solar UV radiation in Toyohashi, Japan

Toyohashi experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the 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 Toyohashi UV Index data.

Average daily maximum UV levels by month for Toyohashi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)458101111121110754