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Monthly climate in Ichinoseki, Iwate, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ichinoseki features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (33 °F) and 24 °C (76 °F) through the year, but rarely can drop to -17 °C (3 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1236 mm (48.7 inches) and receives 152 rainy days on the 1 mm (0.04 inches) threshold annually.Ichinoseki enjoys an average of 2821 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 50 minutes per day.

Monthly average temperatures in Ichinoseki, Iwate, Japan §

The warmest months in Ichinoseki are July, August and September, with daily mean temperatures ranging from 20 to 24 °C (69 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 2 °C (33 - 37 °F) throughout the day. On average each year, Ichinoseki experiences 61 days above 25 °C (77.0 °F) and 82 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ichinoseki, Iwate, Japan.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 10°C
(50°F)		 14°C
(57°F)		 22°C
(71°F)		 26°C
(80°F)		 31°C
(88°F)		 32°C
(90°F)		 34°C
(93°F)		 35°C
(95°F)		 34°C
(94°F)		 28°C
(83°F)		 20°C
(69°F)		 15°C
(60°F)
Mean maximum 9°C
(48°F)		 11°C
(53°F)		 18°C
(65°F)		 22°C
(73°F)		 28°C
(83°F)		 28°C
(83°F)		 32°C
(90°F)		 34°C
(93°F)		 31°C
(87°F)		 26°C
(78°F)		 19°C
(67°F)		 13°C
(55°F)
Average high 4°C
(39°F)		 5°C
(41°F)		 10°C
(50°F)		 15°C
(59°F)		 21°C
(69°F)		 23°C
(74°F)		 27°C
(80°F)		 28°C
(83°F)		 24°C
(76°F)		 19°C
(66°F)		 13°C
(55°F)		 6°C
(43°F)
Daily mean 1°C
(33°F)		 1°C
(35°F)		 5°C
(42°F)		 10°C
(50°F)		 16°C
(61°F)		 19°C
(67°F)		 23°C
(74°F)		 24°C
(76°F)		 20°C
(69°F)		 15°C
(58°F)		 8°C
(47°F)		 2°C
(37°F)
Average low -2°C
(28°F)		 -2°C
(29°F)		 1°C
(34°F)		 5°C
(41°F)		 11°C
(52°F)		 15°C
(60°F)		 20°C
(68°F)		 21°C
(71°F)		 17°C
(63°F)		 10°C
(51°F)		 4°C
(39°F)		 -1°C
(31°F)
Mean minimum -8°C
(17°F)		 -6°C
(21°F)		 -3°C
(27°F)		 -1°C
(30°F)		 5°C
(42°F)		 11°C
(53°F)		 16°C
(61°F)		 16°C
(61°F)		 10°C
(51°F)		 4°C
(40°F)		 -2°C
(28°F)		 -5°C
(24°F)
Minimum -17°C
(3°F)		 -12°C
(11°F)		 -5°C
(24°F)		 -3°C
(26°F)		 4°C
(40°F)		 9°C
(48°F)		 15°C
(59°F)		 12°C
(54°F)		 6°C
(43°F)		 2°C
(36°F)		 -4°C
(26°F)		 -8°C
(19°F)

Compare climate in Ichinoseki with other places

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

Monthly average precipitation in Ichinoseki, Iwate, Japan §

Ichinoseki usually has the most precipitation in July, August and October, with an average of 15 rainy days and 163 mm (6.4 inches) of precipitation per month.The driest months in Ichinoseki are January, February and November. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ichinoseki, Iwate, Japan.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 47 (1.9) 53 (2.1) 102 (4.0) 106 (4.2) 100 (3.9) 105 (4.1) 167 (6.6) 162 (6.4) 120 (4.7) 160 (6.3) 49 (1.9) 65 (2.6)
Average precipitation days (≥ 1 mm) 11 10 12 14 11 13 17 17 13 12 8 14

Monthly sunshine hours in Ichinoseki, Iwate, Japan §

The sunniest months in Ichinoseki are April, May and June, when the sun shines an average of 9 hours 2 minutes a day.Least sunny months in Ichinoseki: January, October and December receive an average of 6 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ichinoseki, Iwate, Japan.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 164 217 255 262 289 270 250 251 239 207 213 199
Mean daily daylight hours 9h 45m 10h 43m 11h 57m 13h 13m 14h 17m 14h 50m 14h 33m 13h 37m 12h 24m 11h 9m 10h 2m 9h 28m

Solar UV radiation in Ichinoseki, Iwate, Japan §

Ichinoseki experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High 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 Ichinoseki UV Index data.

Average daily maximum UV levels by month for Ichinoseki, Iwate, Japan.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 4 6 8 9 10 10 10 9 6 4 3