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Monthly climate in Sendai, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sendai features a humid subtropical climate (Cfa).Temperatures typically range between 0 °C (33 °F) and 25 °C (77 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1458 mm (57.4 inches) and receives 165 rainy days on the 1 mm (0.04 inches) threshold annually.Sendai enjoys an average of 2893 hours of sunshine throughout the year, and daylight varies from 9 hours 32 minutes to 14 hours 45 minutes per day.

Monthly average temperatures in Sendai, Japan §

The warmest months in Sendai are July, August and September, with daily mean temperatures ranging from 21 to 25 °C (69 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 3 °C (33 - 37 °F) throughout the day. On average each year, Sendai experiences 55 days above 25 °C (77.0 °F) and 77 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sendai, 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 11°C
(52°F)		 15°C
(59°F)		 20°C
(69°F)		 26°C
(80°F)		 30°C
(87°F)		 32°C
(89°F)		 35°C
(95°F)		 35°C
(95°F)		 33°C
(92°F)		 27°C
(81°F)		 21°C
(69°F)		 16°C
(61°F)
Mean maximum 8°C
(48°F)		 12°C
(54°F)		 18°C
(64°F)		 22°C
(72°F)		 27°C
(82°F)		 27°C
(81°F)		 32°C
(89°F)		 33°C
(92°F)		 30°C
(86°F)		 25°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)		 14°C
(58°F)		 20°C
(69°F)		 23°C
(73°F)		 26°C
(80°F)		 28°C
(82°F)		 24°C
(75°F)		 18°C
(66°F)		 13°C
(56°F)		 6°C
(44°F)
Daily mean 0°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)		 25°C
(77°F)		 21°C
(69°F)		 15°C
(59°F)		 9°C
(48°F)		 3°C
(37°F)
Average low -3°C
(27°F)		 -2°C
(28°F)		 1°C
(34°F)		 5°C
(41°F)		 11°C
(53°F)		 16°C
(61°F)		 21°C
(69°F)		 22°C
(72°F)		 17°C
(63°F)		 11°C
(53°F)		 5°C
(41°F)		 -0°C
(32°F)
Mean minimum -8°C
(17°F)		 -6°C
(21°F)		 -3°C
(28°F)		 -1°C
(31°F)		 5°C
(42°F)		 11°C
(53°F)		 16°C
(62°F)		 17°C
(63°F)		 12°C
(53°F)		 5°C
(41°F)		 -1°C
(30°F)		 -5°C
(24°F)
Minimum -10°C
(14°F)		 -10°C
(14°F)		 -3°C
(26°F)		 -2°C
(29°F)		 4°C
(40°F)		 10°C
(49°F)		 15°C
(60°F)		 14°C
(58°F)		 8°C
(47°F)		 4°C
(39°F)		 -3°C
(27°F)		 -5°C
(23°F)

Compare climate in Sendai with other places

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

Monthly average precipitation in Sendai, Japan §

Sendai usually has the most precipitation in July, August and October, with an average of 16 rainy days and 218 mm (8.6 inches) of precipitation per month.The driest months in Sendai are January, February and November. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sendai, 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) 65 (2.6) 53 (2.1) 112 (4.4) 109 (4.3) 107 (4.2) 101 (4.0) 232 (9.1) 214 (8.4) 150 (5.9) 208 (8.2) 40 (1.6) 67 (2.6)
Average precipitation days (≥ 1 mm) 13 12 13 12 13 13 18 20 14 12 9 16

Monthly sunshine hours in Sendai, Japan §

The sunniest months in Sendai are April, May and June, when the sun shines an average of 9 hours 16 minutes a day.Least sunny months in Sendai: January, October and December receive an average of 6 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sendai, 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 167 221 258 271 292 280 253 271 246 209 218 203
Mean daily daylight hours 9h 49m 10h 45m 11h 57m 13h 11m 14h 14m 14h 45m 14h 29m 13h 34m 12h 24m 11h 10m 10h 6m 9h 32m

Solar UV radiation in Sendai, Japan §

Sendai experiences the highest level of ultraviolet (UV) radiation in May, 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 Sendai UV Index data.

Average daily maximum UV levels by month for Sendai, 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 7 8 10 10 11 11 9 6 4 3