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Monthly climate in Tomioka, Fukushima, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Tomioka features a humid subtropical climate (Cfa).Temperatures typically range between 3 °C (38 °F) and 26 °C (79 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 1523 mm (60.0 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually.Tomioka enjoys an average of 2997 hours of sunshine throughout the year, and daylight varies from 9 hours 37 minutes to 14 hours 40 minutes per day.

Monthly average temperatures in Tomioka, Fukushima, Japan §

The warmest months in Tomioka are July, August and September, with daily mean temperatures ranging from 22 to 26 °C (71 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (38 - 42 °F) throughout the day. On average each year, Tomioka experiences 66 days above 25 °C (77.0 °F) and 31 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tomioka, 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 14°C
(58°F)		 19°C
(66°F)		 22°C
(72°F)		 27°C
(82°F)		 29°C
(85°F)		 31°C
(89°F)		 35°C
(95°F)		 35°C
(96°F)		 33°C
(92°F)		 29°C
(84°F)		 23°C
(73°F)		 18°C
(66°F)
Mean maximum 12°C
(54°F)		 15°C
(60°F)		 19°C
(67°F)		 24°C
(75°F)		 28°C
(83°F)		 27°C
(81°F)		 32°C
(90°F)		 34°C
(93°F)		 31°C
(88°F)		 27°C
(80°F)		 21°C
(70°F)		 16°C
(60°F)
Average high 7°C
(44°F)		 8°C
(47°F)		 12°C
(53°F)		 16°C
(61°F)		 21°C
(70°F)		 23°C
(74°F)		 27°C
(81°F)		 29°C
(84°F)		 25°C
(77°F)		 20°C
(68°F)		 15°C
(59°F)		 9°C
(49°F)
Daily mean 3°C
(38°F)		 4°C
(40°F)		 8°C
(46°F)		 12°C
(53°F)		 17°C
(63°F)		 20°C
(68°F)		 24°C
(75°F)		 26°C
(79°F)		 22°C
(71°F)		 17°C
(62°F)		 11°C
(52°F)		 5°C
(42°F)
Average low 0°C
(33°F)		 1°C
(34°F)		 3°C
(39°F)		 8°C
(46°F)		 13°C
(56°F)		 17°C
(63°F)		 21°C
(71°F)		 23°C
(74°F)		 19°C
(67°F)		 14°C
(57°F)		 8°C
(46°F)		 2°C
(36°F)
Mean minimum -4°C
(25°F)		 -3°C
(28°F)		 -2°C
(30°F)		 2°C
(35°F)		 7°C
(46°F)		 13°C
(55°F)		 17°C
(63°F)		 19°C
(66°F)		 14°C
(58°F)		 8°C
(47°F)		 1°C
(35°F)		 -2°C
(29°F)
Minimum -6°C
(21°F)		 -3°C
(26°F)		 -3°C
(27°F)		 1°C
(33°F)		 7°C
(44°F)		 10°C
(51°F)		 16°C
(61°F)		 16°C
(61°F)		 12°C
(54°F)		 7°C
(44°F)		 0°C
(33°F)		 -3°C
(27°F)

Compare climate in Tomioka with other places

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

Monthly average precipitation in Tomioka, Fukushima, Japan §

Tomioka usually has the most precipitation in July, September and October, with an average of 16 rainy days and 214 mm (8.4 inches) of precipitation per month.The driest months in Tomioka are January, February and December. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tomioka, 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) 50 (2.0) 38 (1.5) 144 (5.7) 121 (4.8) 137 (5.4) 121 (4.8) 238 (9.4) 151 (5.9) 171 (6.7) 233 (9.2) 60 (2.4) 60 (2.3)
Average precipitation days (≥ 1 mm) 5 7 10 13 13 14 18 15 17 14 6 7

Monthly sunshine hours in Tomioka, Fukushima, Japan §

The sunniest months in Tomioka are May, June and August, when the sun shines an average of 9 hours 25 minutes a day.Least sunny months in Tomioka: January, October and December receive an average of 6 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tomioka, 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 182 231 265 279 293 280 261 293 247 213 230 219
Mean daily daylight hours 9h 53m 10h 47m 11h 57m 13h 9m 14h 9m 14h 40m 14h 25m 13h 32m 12h 23m 11h 12m 10h 9m 9h 37m

Solar UV radiation in Tomioka, Fukushima, Japan §

Tomioka 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 5. For more detailed information, check out our hourly Tomioka UV Index data.

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