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Monthly climate in Ishii, Tokushima, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ishii features a humid subtropical climate (Cfa).Temperatures typically range between 6 °C (43 °F) and 27 °C (81 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 2217 mm (87.3 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually.Ishii enjoys an average of 3147 hours of sunshine throughout the year, and daylight varies from 9 hours 54 minutes to 14 hours 22 minutes per day.

Monthly average temperatures in Ishii, Tokushima, Japan §

The warmest months in Ishii are July, August and September, with daily mean temperatures ranging from 24 to 27 °C (75 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 9 °C (43 - 48 °F) throughout the day. On average each year, Ishii experiences 75 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ishii, Tokushima, 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 16°C
(61°F)		 19°C
(66°F)		 21°C
(69°F)		 23°C
(73°F)		 26°C
(79°F)		 29°C
(85°F)		 32°C
(91°F)		 33°C
(92°F)		 31°C
(89°F)		 28°C
(82°F)		 23°C
(74°F)		 21°C
(70°F)
Mean maximum 14°C
(57°F)		 15°C
(60°F)		 19°C
(66°F)		 21°C
(71°F)		 25°C
(77°F)		 27°C
(81°F)		 31°C
(88°F)		 32°C
(90°F)		 30°C
(86°F)		 27°C
(80°F)		 22°C
(71°F)		 17°C
(63°F)
Average high 9°C
(48°F)		 10°C
(49°F)		 13°C
(56°F)		 17°C
(63°F)		 21°C
(70°F)		 24°C
(75°F)		 28°C
(82°F)		 29°C
(85°F)		 26°C
(79°F)		 21°C
(71°F)		 17°C
(62°F)		 11°C
(53°F)
Daily mean 6°C
(43°F)		 7°C
(44°F)		 10°C
(51°F)		 14°C
(57°F)		 18°C
(65°F)		 21°C
(71°F)		 26°C
(78°F)		 27°C
(81°F)		 24°C
(75°F)		 19°C
(67°F)		 14°C
(57°F)		 9°C
(48°F)
Average low 4°C
(39°F)		 4°C
(39°F)		 7°C
(45°F)		 11°C
(51°F)		 15°C
(60°F)		 19°C
(67°F)		 24°C
(75°F)		 25°C
(77°F)		 22°C
(72°F)		 17°C
(63°F)		 11°C
(52°F)		 6°C
(43°F)
Mean minimum -0°C
(32°F)		 -0°C
(32°F)		 3°C
(37°F)		 5°C
(41°F)		 10°C
(50°F)		 16°C
(61°F)		 21°C
(71°F)		 22°C
(72°F)		 18°C
(64°F)		 12°C
(53°F)		 6°C
(42°F)		 2°C
(35°F)
Minimum -3°C
(27°F)		 -2°C
(29°F)		 2°C
(36°F)		 3°C
(38°F)		 8°C
(48°F)		 14°C
(58°F)		 20°C
(68°F)		 19°C
(67°F)		 16°C
(62°F)		 10°C
(51°F)		 5°C
(41°F)		 0°C
(32°F)

Compare climate in Ishii with other places

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

Monthly average precipitation in Ishii, Tokushima, Japan §

Ishii usually has the most precipitation in July, September and October, with an average of 18 rainy days and 344 mm (13.5 inches) of precipitation per month.The driest months in Ishii are January, November and December. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ishii, Tokushima, 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) 60 (2.4) 71 (2.8) 137 (5.4) 145 (5.7) 184 (7.3) 234 (9.2) 378 (14.9) 226 (8.9) 294 (11.6) 360 (14.2) 65 (2.5) 64 (2.5)
Average precipitation days (≥ 1 mm) 5 7 12 11 11 14 23 16 18 13 6 7

Monthly sunshine hours in Ishii, Tokushima, Japan §

The sunniest months in Ishii are May, July and August, when the sun shines an average of 9 hours 47 minutes a day.Least sunny months in Ishii: January, February and December receive an average of 7 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ishii, Tokushima, 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 188 231 271 286 299 281 290 320 261 249 240 225
Mean daily daylight hours 10h 8m 10h 56m 11h 58m 13h 1m 13h 55m 14h 22m 14h 8m 13h 22m 12h 21m 11h 18m 10h 23m 9h 54m

Solar UV radiation in Ishii, Tokushima, Japan §

Ishii experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 12, 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 Ishii UV Index data.

Average daily maximum UV levels by month for Ishii, Tokushima, 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) 4 6 8 11 11 12 12 12 10 7 6 4