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Monthly climate in Honcho, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Honcho features a humid continental climate (Dfb). Temperatures typically range between -2 °C (28 °F) and 21 °C (70 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 1232 mm (48.5 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually. Honcho enjoys an average of 2835 hours of sunshine throughout the year, and daylight varies from 9 hours 9 minutes to 15 hours 10 minutes per day.

Monthly average temperatures in Honcho, Japan

The warmest months in Honcho are July, August and September, with daily mean temperatures ranging from 19 to 21 °C (66 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (28 - 32 °F) throughout the day. On average each year, Honcho experiences 15 days above 25 °C (77.0 °F) and 101 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Honcho. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(44°F)		7°C
(46°F)		14°C
(57°F)		20°C
(68°F)		27°C
(81°F)		24°C
(76°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		25°C
(77°F)		17°C
(62°F)		12°C
(55°F)
Mean maximum5°C
(41°F)		6°C
(43°F)		11°C
(52°F)		17°C
(62°F)		22°C
(72°F)		22°C
(71°F)		28°C
(82°F)		29°C
(84°F)		27°C
(80°F)		22°C
(72°F)		16°C
(62°F)		9°C
(49°F)
Average high-0°C
(32°F)		-0°C
(32°F)		5°C
(41°F)		10°C
(50°F)		15°C
(60°F)		18°C
(65°F)		22°C
(72°F)		23°C
(74°F)		22°C
(71°F)		16°C
(61°F)		9°C
(49°F)		2°C
(36°F)
Daily mean-2°C
(28°F)		-2°C
(28°F)		2°C
(36°F)		6°C
(44°F)		12°C
(53°F)		15°C
(59°F)		19°C
(67°F)		21°C
(70°F)		19°C
(66°F)		13°C
(56°F)		7°C
(45°F)		0°C
(32°F)
Average low-5°C
(24°F)		-5°C
(23°F)		-1°C
(30°F)		3°C
(38°F)		8°C
(48°F)		12°C
(54°F)		17°C
(63°F)		19°C
(67°F)		16°C
(61°F)		10°C
(51°F)		4°C
(40°F)		-2°C
(28°F)
Mean minimum-10°C
(14°F)		-10°C
(15°F)		-7°C
(21°F)		-1°C
(30°F)		5°C
(41°F)		8°C
(47°F)		13°C
(56°F)		15°C
(59°F)		10°C
(51°F)		5°C
(40°F)		-1°C
(30°F)		-8°C
(19°F)
Minimum-11°C
(12°F)		-12°C
(11°F)		-9°C
(16°F)		-3°C
(26°F)		4°C
(40°F)		6°C
(43°F)		10°C
(51°F)		14°C
(58°F)		8°C
(46°F)		3°C
(38°F)		-4°C
(26°F)		-10°C
(15°F)

Compare climate in Honcho with other places

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

Monthly average precipitation in Honcho, Japan

Honcho usually has the most precipitation in August, September and October, with an average of 13 rainy days and 152 mm (6.0 inches) of precipitation per month. The driest months in Honcho are January, February and December. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Honcho. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)53 (2.1)65 (2.6)85 (3.4)94 (3.7)93 (3.7)106 (4.2)111 (4.4)170 (6.7)164 (6.5)123 (4.8)95 (3.8)71 (2.8)
Average precipitation days (≥ 1 mm)91111121211101314131113

Monthly sunshine hours in Honcho, Japan

The sunniest months in Honcho are April, May and June, when the sun shines an average of 9 hours 25 minutes a day. Least sunny months in Honcho: January, November and December receive an average of 5 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Honcho. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours146196253279293285275262257230183171
Mean daily daylight hours9h 29m10h 33m11h 56m13h 21m14h 33m15h 10m14h 52m13h 48m12h 27m11h 2m9h 48m9h 9m

Solar UV radiation in Honcho, Japan

Honcho 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, November 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 Honcho UV Index data.

Average daily maximum UV levels by month for Honcho. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)245891010118632