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Monthly climate in Minami-Soma, Fukushima, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Minami-Soma features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (40 °F) and 25 °C (77 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 1498 mm (59.0 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually.Minami-Soma enjoys an average of 2941 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 43 minutes per day.

Monthly average temperatures in Minami-Soma, Fukushima, Japan §

The warmest months in Minami-Soma are July, August and September, with daily mean temperatures ranging from 22 to 25 °C (72 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (40 - 45 °F) throughout the day. On average each year, Minami-Soma experiences 34 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Minami-Soma, 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 13°C
(56°F)		 18°C
(64°F)		 18°C
(64°F)		 20°C
(69°F)		 25°C
(77°F)		 27°C
(80°F)		 30°C
(86°F)		 31°C
(88°F)		 30°C
(86°F)		 26°C
(78°F)		 20°C
(69°F)		 17°C
(63°F)
Mean maximum 11°C
(52°F)		 13°C
(55°F)		 14°C
(58°F)		 18°C
(65°F)		 23°C
(74°F)		 23°C
(74°F)		 28°C
(83°F)		 30°C
(86°F)		 27°C
(81°F)		 24°C
(75°F)		 19°C
(66°F)		 15°C
(59°F)
Average high 6°C
(44°F)		 7°C
(45°F)		 10°C
(49°F)		 13°C
(55°F)		 17°C
(64°F)		 20°C
(69°F)		 24°C
(75°F)		 26°C
(79°F)		 23°C
(75°F)		 19°C
(67°F)		 15°C
(59°F)		 9°C
(49°F)
Daily mean 5°C
(40°F)		 5°C
(41°F)		 7°C
(46°F)		 11°C
(51°F)		 16°C
(60°F)		 19°C
(66°F)		 23°C
(73°F)		 25°C
(77°F)		 22°C
(72°F)		 18°C
(64°F)		 13°C
(55°F)		 7°C
(45°F)
Average low 3°C
(37°F)		 3°C
(37°F)		 5°C
(42°F)		 8°C
(48°F)		 14°C
(57°F)		 18°C
(64°F)		 22°C
(71°F)		 24°C
(75°F)		 21°C
(70°F)		 16°C
(61°F)		 11°C
(51°F)		 5°C
(42°F)
Mean minimum -1°C
(31°F)		 -0°C
(32°F)		 2°C
(36°F)		 4°C
(40°F)		 9°C
(49°F)		 15°C
(59°F)		 19°C
(66°F)		 21°C
(70°F)		 18°C
(64°F)		 12°C
(54°F)		 6°C
(43°F)		 1°C
(35°F)
Minimum -3°C
(27°F)		 -1°C
(31°F)		 0°C
(33°F)		 2°C
(37°F)		 7°C
(45°F)		 13°C
(56°F)		 17°C
(64°F)		 20°C
(67°F)		 16°C
(62°F)		 11°C
(52°F)		 4°C
(39°F)		 -0°C
(32°F)

Compare climate in Minami-Soma with other places

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

Monthly average precipitation in Minami-Soma, Fukushima, Japan §

Minami-Soma usually has the most precipitation in July, September and October, with an average of 15 rainy days and 229 mm (9.0 inches) of precipitation per month.The driest months in Minami-Soma are January, February and November. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Minami-Soma, 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) 52 (2.1) 41 (1.6) 117 (4.6) 115 (4.5) 119 (4.7) 105 (4.1) 239 (9.4) 158 (6.2) 191 (7.5) 257 (10.1) 44 (1.7) 60 (2.4)
Average precipitation days (≥ 1 mm) 8 7 9 11 12 12 18 15 15 12 6 11

Monthly sunshine hours in Minami-Soma, Fukushima, Japan §

The sunniest months in Minami-Soma are May, June and August, when the sun shines an average of 9 hours 19 minutes a day.Least sunny months in Minami-Soma: January, October and December receive an average of 6 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Minami-Soma, 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 175 224 262 275 292 279 256 285 242 209 225 211
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 35m

Solar UV radiation in Minami-Soma, Fukushima, Japan §

Minami-Soma 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 Minami-Soma UV Index data.

Average daily maximum UV levels by month for Minami-Soma, 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