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Monthly climate in Hanamaki, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hanamaki features a humid subtropical climate (Cfa). Temperatures typically range between -3 °C (28 °F) and 23 °C (74 °F) through the year, but rarely can drop to -18 °C (-1 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1496 mm (58.9 inches) and receives 184 rainy days on the 1 mm (0.04 inches) threshold annually. Hanamaki enjoys an average of 2850 hours of sunshine throughout the year, and daylight varies from 9 hours 25 minutes to 14 hours 53 minutes per day.

Monthly average temperatures in Hanamaki, Japan

The warmest months in Hanamaki are July, August and September, with daily mean temperatures ranging from 19 to 23 °C (67 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to 0 °C (28 - 33 °F) throughout the day. On average each year, Hanamaki experiences 45 days above 25 °C (77.0 °F) and 107 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hanamaki. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(43°F)		9°C
(49°F)		19°C
(66°F)		23°C
(75°F)		30°C
(86°F)		29°C
(85°F)		33°C
(92°F)		35°C
(95°F)		33°C
(91°F)		27°C
(80°F)		19°C
(67°F)		13°C
(56°F)
Mean maximum5°C
(42°F)		8°C
(46°F)		16°C
(61°F)		21°C
(69°F)		26°C
(79°F)		26°C
(79°F)		31°C
(88°F)		32°C
(90°F)		29°C
(84°F)		24°C
(76°F)		17°C
(64°F)		10°C
(50°F)
Average high1°C
(34°F)		2°C
(36°F)		8°C
(46°F)		13°C
(55°F)		19°C
(66°F)		22°C
(72°F)		26°C
(79°F)		27°C
(81°F)		23°C
(74°F)		17°C
(63°F)		10°C
(51°F)		3°C
(38°F)
Daily mean-3°C
(28°F)		-2°C
(29°F)		3°C
(38°F)		8°C
(47°F)		14°C
(58°F)		18°C
(65°F)		22°C
(72°F)		23°C
(74°F)		19°C
(67°F)		13°C
(56°F)		6°C
(44°F)		0°C
(33°F)
Average low-7°C
(20°F)		-6°C
(21°F)		-1°C
(31°F)		3°C
(38°F)		10°C
(50°F)		14°C
(58°F)		19°C
(67°F)		20°C
(69°F)		16°C
(60°F)		9°C
(48°F)		3°C
(37°F)		-3°C
(27°F)
Mean minimum-15°C
(6°F)		-15°C
(5°F)		-7°C
(19°F)		-2°C
(28°F)		4°C
(40°F)		10°C
(50°F)		15°C
(59°F)		15°C
(59°F)		9°C
(48°F)		3°C
(37°F)		-4°C
(26°F)		-10°C
(14°F)
Minimum-18°C
(-1°F)		-18°C
(-1°F)		-15°C
(5°F)		-7°C
(20°F)		3°C
(38°F)		6°C
(43°F)		14°C
(57°F)		11°C
(52°F)		4°C
(40°F)		2°C
(35°F)		-8°C
(18°F)		-12°C
(11°F)

Compare climate in Hanamaki with other places

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

Monthly average precipitation in Hanamaki, Japan

Hanamaki usually has the most precipitation in July, August and October, with an average of 14 rainy days and 163 mm (6.4 inches) of precipitation per month. The driest months in Hanamaki are January, February and November. On average, 91 mm (3.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hanamaki. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)81 (3.2)99 (3.9)117 (4.6)132 (5.2)115 (4.5)132 (5.2)172 (6.8)164 (6.5)122 (4.8)153 (6.0)93 (3.7)115 (4.5)
Average precipitation days (≥ 1 mm)162015161413151614121320

Monthly sunshine hours in Hanamaki, Japan

The sunniest months in Hanamaki are May, June and July, when the sun shines an average of 9 hours 15 minutes a day. Least sunny months in Hanamaki: January, November and December receive an average of 5 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hanamaki. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours155201250266294278279276246215200184
Mean daily daylight hours9h 43m10h 41m11h 57m13h 14m14h 19m14h 53m14h 36m13h 39m12h 25m11h 8m10h 0m9h 25m

Solar UV radiation in Hanamaki, Japan

Hanamaki 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 4. For more detailed information, check out our hourly Hanamaki UV Index data.

Average daily maximum UV levels by month for Hanamaki. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346991010119643