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Monthly climate in Fukushima, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Fukushima features a humid continental climate (Dfb).Temperatures typically range between -1 °C (31 °F) and 24 °C (76 °F) through the year, but rarely can drop to -13 °C (9 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1438 mm (56.6 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually.Fukushima enjoys an average of 2876 hours of sunshine throughout the year, and daylight varies from 9 hours 34 minutes to 14 hours 43 minutes per day.

Monthly average temperatures in Fukushima, Japan §

The warmest months in Fukushima are July, August and September, with daily mean temperatures ranging from 20 to 24 °C (68 - 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 (31 - 36 °F) throughout the day. On average each year, Fukushima experiences 57 days above 25 °C (77.0 °F) and 89 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fukushima, 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)		 16°C
(60°F)		 21°C
(69°F)		 27°C
(80°F)		 31°C
(88°F)		 31°C
(89°F)		 34°C
(93°F)		 35°C
(95°F)		 33°C
(92°F)		 27°C
(82°F)		 21°C
(70°F)		 17°C
(63°F)
Mean maximum 8°C
(46°F)		 12°C
(53°F)		 18°C
(65°F)		 22°C
(72°F)		 28°C
(82°F)		 28°C
(82°F)		 32°C
(89°F)		 33°C
(92°F)		 30°C
(86°F)		 25°C
(78°F)		 19°C
(66°F)		 12°C
(55°F)
Average high 3°C
(38°F)		 5°C
(41°F)		 10°C
(50°F)		 15°C
(58°F)		 20°C
(69°F)		 23°C
(74°F)		 26°C
(80°F)		 28°C
(83°F)		 24°C
(75°F)		 18°C
(65°F)		 13°C
(55°F)		 6°C
(43°F)
Daily mean -1°C
(31°F)		 1°C
(33°F)		 5°C
(41°F)		 10°C
(50°F)		 16°C
(60°F)		 19°C
(66°F)		 23°C
(74°F)		 24°C
(76°F)		 20°C
(68°F)		 14°C
(58°F)		 8°C
(47°F)		 2°C
(36°F)
Average low -4°C
(25°F)		 -3°C
(27°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
(62°F)		 11°C
(51°F)		 4°C
(39°F)		 -1°C
(31°F)
Mean minimum -9°C
(16°F)		 -7°C
(20°F)		 -4°C
(24°F)		 -1°C
(30°F)		 4°C
(40°F)		 10°C
(51°F)		 16°C
(61°F)		 16°C
(62°F)		 11°C
(51°F)		 4°C
(40°F)		 -2°C
(29°F)		 -5°C
(23°F)
Minimum -13°C
(9°F)		 -10°C
(14°F)		 -7°C
(19°F)		 -2°C
(28°F)		 4°C
(39°F)		 8°C
(46°F)		 15°C
(59°F)		 14°C
(57°F)		 8°C
(46°F)		 2°C
(36°F)		 -3°C
(27°F)		 -7°C
(20°F)

Compare climate in Fukushima with other places

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

Monthly average precipitation in Fukushima, Japan §

Fukushima usually has the most precipitation in July, August and October, with an average of 17 rainy days and 208 mm (8.2 inches) of precipitation per month.The driest months in Fukushima are January, February and November. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fukushima, 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) 62 (2.4) 52 (2.0) 112 (4.4) 106 (4.2) 113 (4.5) 109 (4.3) 248 (9.7) 169 (6.7) 154 (6.1) 207 (8.2) 38 (1.5) 68 (2.7)
Average precipitation days (≥ 1 mm) 13 12 13 13 14 14 20 19 14 12 8 15

Monthly sunshine hours in Fukushima, Japan §

The sunniest months in Fukushima are May, June and August, when the sun shines an average of 9 hours 10 minutes a day.Least sunny months in Fukushima: January, October and December receive an average of 6 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fukushima, 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 166 217 258 271 288 275 251 279 237 204 221 203
Mean daily daylight hours 9h 51m 10h 46m 11h 57m 13h 10m 14h 12m 14h 43m 14h 27m 13h 33m 12h 23m 11h 11m 10h 7m 9h 34m

Solar UV radiation in Fukushima, Japan §

Fukushima experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the 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 5. For more detailed information, check out our hourly Fukushima UV Index data.

Average daily maximum UV levels by month for Fukushima, 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 5 7 9 10 11 11 11 9 6 5 3