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Monthly climate in Minamata, Kumamoto, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Minamata features a humid subtropical climate (Cfa).Temperatures typically range between 7 °C (44 °F) and 28 °C (82 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 2286 mm (90.0 inches) and receives 153 rainy days on the 1 mm (0.04 inches) threshold annually.Minamata enjoys an average of 3085 hours of sunshine throughout the year, and daylight varies from 10 hours 3 minutes to 14 hours 12 minutes per day.

Monthly average temperatures in Minamata, Kumamoto, Japan §

The warmest months in Minamata are July, August and September, with daily mean temperatures ranging from 25 to 28 °C (77 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 8 °C (44 - 47 °F) throughout the day. On average each year, Minamata experiences 115 days above 25 °C (77.0 °F) and 10 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Minamata, Kumamoto, 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 20°C
(68°F)		 20°C
(69°F)		 26°C
(78°F)		 27°C
(82°F)		 30°C
(87°F)		 31°C
(89°F)		 35°C
(96°F)		 35°C
(96°F)		 34°C
(94°F)		 32°C
(89°F)		 25°C
(77°F)		 24°C
(75°F)
Mean maximum 17°C
(63°F)		 18°C
(64°F)		 22°C
(72°F)		 25°C
(78°F)		 29°C
(84°F)		 30°C
(86°F)		 34°C
(93°F)		 35°C
(95°F)		 33°C
(92°F)		 29°C
(85°F)		 24°C
(75°F)		 19°C
(67°F)
Average high 11°C
(52°F)		 12°C
(54°F)		 16°C
(62°F)		 20°C
(69°F)		 24°C
(76°F)		 27°C
(80°F)		 30°C
(86°F)		 32°C
(89°F)		 29°C
(84°F)		 24°C
(76°F)		 18°C
(65°F)		 12°C
(54°F)
Daily mean 7°C
(44°F)		 8°C
(46°F)		 12°C
(54°F)		 16°C
(61°F)		 20°C
(68°F)		 23°C
(74°F)		 27°C
(80°F)		 28°C
(82°F)		 25°C
(77°F)		 20°C
(68°F)		 14°C
(57°F)		 8°C
(47°F)
Average low 3°C
(38°F)		 4°C
(39°F)		 8°C
(46°F)		 12°C
(53°F)		 16°C
(61°F)		 20°C
(68°F)		 24°C
(75°F)		 25°C
(77°F)		 22°C
(71°F)		 16°C
(61°F)		 9°C
(49°F)		 4°C
(40°F)
Mean minimum -2°C
(28°F)		 -1°C
(30°F)		 2°C
(36°F)		 5°C
(41°F)		 9°C
(49°F)		 16°C
(61°F)		 21°C
(71°F)		 22°C
(72°F)		 17°C
(62°F)		 10°C
(50°F)		 3°C
(38°F)		 -0°C
(32°F)
Minimum -4°C
(25°F)		 -3°C
(27°F)		 1°C
(34°F)		 4°C
(39°F)		 7°C
(45°F)		 14°C
(58°F)		 18°C
(65°F)		 21°C
(71°F)		 14°C
(57°F)		 9°C
(48°F)		 1°C
(34°F)		 -1°C
(30°F)

Compare climate in Minamata with other places

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

Monthly average precipitation in Minamata, Kumamoto, Japan §

Minamata usually has the most precipitation in June, July and August, with an average of 19 rainy days and 350 mm (13.8 inches) of precipitation per month.The driest months in Minamata are January, November and December. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Minamata, Kumamoto, 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) 61 (2.4) 105 (4.1) 149 (5.9) 143 (5.6) 234 (9.2) 342 (13.5) 465 (18.3) 242 (9.5) 228 (9.0) 131 (5.2) 96 (3.8) 90 (3.5)
Average precipitation days (≥ 1 mm) 7 10 14 10 12 18 22 17 16 10 9 8

Monthly sunshine hours in Minamata, Kumamoto, Japan §

The sunniest months in Minamata are April, May and August, when the sun shines an average of 9 hours 28 minutes a day.Least sunny months in Minamata: January, February and December receive an average of 7 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Minamata, Kumamoto, 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 188 236 267 285 281 256 273 304 263 261 240 224
Mean daily daylight hours 10h 17m 11h 1m 11h 59m 12h 58m 13h 47m 14h 12m 14h 0m 13h 16m 12h 20m 11h 21m 10h 30m 10h 3m

Solar UV radiation in Minamata, Kumamoto, Japan §

Minamata experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure.January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Minamata UV Index data.

Average daily maximum UV levels by month for Minamata, Kumamoto, 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) 5 6 9 11 12 12 12 13 11 8 6 4