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Monthly climate in Ishinomaki, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ishinomaki features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (37 °F) and 25 °C (77 °F) through the year, but rarely can drop to -5 °C (22 °F) or can rise to as high as 32 °C (91 °F). The average annual precipitation amounts to about 1238 mm (48.7 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually. Ishinomaki enjoys an average of 2863 hours of sunshine throughout the year, and daylight varies from 9 hours 31 minutes to 14 hours 47 minutes per day.

Monthly average temperatures in Ishinomaki, Japan

The warmest months in Ishinomaki are July, August and September, with daily mean temperatures ranging from 22 to 25 °C (71 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (37 - 41 °F) throughout the day. On average each year, Ishinomaki experiences 43 days above 25 °C (77.0 °F) and 29 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ishinomaki. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(54°F)		14°C
(57°F)		20°C
(68°F)		23°C
(73°F)		27°C
(80°F)		27°C
(81°F)		32°C
(90°F)		32°C
(91°F)		31°C
(88°F)		26°C
(79°F)		19°C
(67°F)		16°C
(60°F)
Mean maximum10°C
(50°F)		12°C
(53°F)		15°C
(60°F)		19°C
(67°F)		24°C
(75°F)		24°C
(76°F)		29°C
(85°F)		31°C
(88°F)		29°C
(84°F)		24°C
(76°F)		19°C
(66°F)		14°C
(57°F)
Average high5°C
(42°F)		6°C
(43°F)		10°C
(50°F)		13°C
(56°F)		19°C
(66°F)		21°C
(71°F)		25°C
(77°F)		27°C
(81°F)		24°C
(76°F)		19°C
(67°F)		14°C
(57°F)		8°C
(46°F)
Daily mean3°C
(37°F)		3°C
(38°F)		7°C
(44°F)		10°C
(51°F)		16°C
(60°F)		19°C
(66°F)		23°C
(74°F)		25°C
(77°F)		22°C
(71°F)		17°C
(62°F)		11°C
(52°F)		5°C
(41°F)
Average low0°C
(33°F)		1°C
(34°F)		3°C
(38°F)		7°C
(45°F)		13°C
(55°F)		17°C
(62°F)		21°C
(70°F)		23°C
(74°F)		19°C
(67°F)		14°C
(57°F)		8°C
(46°F)		2°C
(37°F)
Mean minimum-4°C
(26°F)		-3°C
(27°F)		-1°C
(31°F)		2°C
(36°F)		8°C
(46°F)		14°C
(57°F)		17°C
(63°F)		19°C
(67°F)		15°C
(58°F)		9°C
(48°F)		2°C
(36°F)		-1°C
(30°F)
Minimum-5°C
(22°F)		-5°C
(24°F)		-2°C
(28°F)		1°C
(34°F)		7°C
(45°F)		12°C
(54°F)		16°C
(62°F)		16°C
(62°F)		12°C
(54°F)		8°C
(46°F)		-1°C
(31°F)		-3°C
(28°F)

Compare climate in Ishinomaki with other places

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

Monthly average precipitation in Ishinomaki, Japan

Ishinomaki usually has the most precipitation in July, August and October, with an average of 14 rainy days and 179 mm (7.0 inches) of precipitation per month. The driest months in Ishinomaki are January, February and November. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ishinomaki. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)46 (1.8)41 (1.6)104 (4.1)105 (4.1)97 (3.8)90 (3.6)177 (7.0)168 (6.6)123 (4.9)192 (7.6)37 (1.5)57 (2.3)
Average precipitation days (≥ 1 mm)881011111116171311711

Monthly sunshine hours in Ishinomaki, Japan

The sunniest months in Ishinomaki are April, May and June, when the sun shines an average of 9 hours 9 minutes a day. Least sunny months in Ishinomaki: January, October and December receive an average of 6 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ishinomaki. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours172228258270287275233254239208221212
Mean daily daylight hours9h 48m10h 44m11h 57m13h 12m14h 15m14h 47m14h 31m13h 35m12h 24m11h 10m10h 5m9h 31m

Solar UV radiation in Ishinomaki, Japan

Ishinomaki 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 Ishinomaki UV Index data.

Average daily maximum UV levels by month for Ishinomaki. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346891011109643