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Monthly climate in Ishigaki, Okinawa, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ishigaki features a humid subtropical climate (Cfa).Temperatures typically range between 20 °C (69 °F) and 29 °C (84 °F) through the year, but rarely can drop to 12 °C (55 °F) or can rise to as high as 30 °C (87 °F).The average annual precipitation amounts to about 1965 mm (77.4 inches) and receives 193 rainy days on the 1 mm (0.04 inches) threshold annually.Ishigaki enjoys an average of 3202 hours of sunshine throughout the year, and daylight varies from 10 hours 38 minutes to 13 hours 36 minutes per day.

Monthly average temperatures in Ishigaki, Okinawa, Japan §

The warmest months in Ishigaki are July, August and September, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 20 to 22 °C (69 - 71 °F) throughout the day. On average each year, Ishigaki experiences 174 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ishigaki, Okinawa, 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 25°C
(76°F)		 25°C
(77°F)		 26°C
(78°F)		 27°C
(81°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(87°F)		 29°C
(85°F)		 27°C
(81°F)		 26°C
(79°F)
Mean maximum 24°C
(75°F)		 24°C
(75°F)		 25°C
(77°F)		 26°C
(79°F)		 28°C
(83°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(80°F)		 25°C
(77°F)
Average high 21°C
(70°F)		 21°C
(71°F)		 23°C
(73°F)		 24°C
(75°F)		 26°C
(80°F)		 28°C
(83°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 27°C
(80°F)		 25°C
(77°F)		 23°C
(73°F)
Daily mean 20°C
(69°F)		 20°C
(69°F)		 22°C
(71°F)		 23°C
(74°F)		 26°C
(79°F)		 28°C
(82°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)		 26°C
(79°F)		 24°C
(76°F)		 22°C
(71°F)
Average low 19°C
(67°F)		 19°C
(67°F)		 21°C
(70°F)		 22°C
(72°F)		 25°C
(78°F)		 27°C
(81°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)		 25°C
(78°F)		 23°C
(75°F)		 21°C
(70°F)
Mean minimum 15°C
(60°F)		 15°C
(59°F)		 17°C
(63°F)		 19°C
(66°F)		 22°C
(72°F)		 26°C
(78°F)		 27°C
(81°F)		 26°C
(80°F)		 26°C
(79°F)		 23°C
(74°F)		 21°C
(70°F)		 17°C
(63°F)
Minimum 12°C
(55°F)		 14°C
(57°F)		 16°C
(61°F)		 17°C
(63°F)		 21°C
(71°F)		 25°C
(76°F)		 27°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 22°C
(72°F)		 20°C
(68°F)		 14°C
(57°F)

Compare climate in Ishigaki with other places

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

Monthly average precipitation in Ishigaki, Okinawa, Japan §

Ishigaki usually has the most precipitation in June, August and December, with an average of 19 rainy days and 220 mm (8.7 inches) of precipitation per month.The driest months in Ishigaki are January, February and May. On average, 110 mm (4.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ishigaki, Okinawa, 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) 109 (4.3) 82 (3.2) 140 (5.5) 146 (5.8) 139 (5.5) 184 (7.2) 182 (7.2) 280 (11.0) 182 (7.2) 173 (6.8) 151 (5.9) 197 (7.8)
Average precipitation days (≥ 1 mm) 15 14 14 13 14 16 16 21 17 17 16 20

Monthly sunshine hours in Ishigaki, Okinawa, Japan §

The sunniest months in Ishigaki are May, July and August, when the sun shines an average of 10 hours 23 minutes a day.Least sunny months in Ishigaki: January, February and December receive an average of 6 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ishigaki, Okinawa, 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 162 217 270 273 317 303 333 315 297 275 230 205
Mean daily daylight hours 10h 48m 11h 19m 12h 0m 12h 43m 13h 18m 13h 36m 13h 27m 12h 56m 12h 15m 11h 33m 10h 57m 10h 38m

Solar UV radiation in Ishigaki, Okinawa, Japan §

Ishigaki experiences the highest level of ultraviolet (UV) radiation in July, August and September, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure.January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Ishigaki UV Index data.

Average daily maximum UV levels by month for Ishigaki, Okinawa, 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) 8 10 12 12 12 13 13 13 13 10 9 7