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Monthly climate in Yonakuni, Okinawa, Japan

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Yonakuni features a humid subtropical climate (Cfa).Temperatures typically range between 20 °C (68 °F) and 29 °C (84 °F) through the year, but rarely can drop to 12 °C (53 °F) or can rise to as high as 31 °C (87 °F).The average annual precipitation amounts to about 2236 mm (88.0 inches) and receives 222 rainy days on the 1 mm (0.04 inches) threshold annually.Yonakuni enjoys an average of 2999 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 Yonakuni, Okinawa, Japan §

The warmest months in Yonakuni are June, July and August, 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 December, when daily mean temperatures range from 20 to 21 °C (68 - 71 °F) throughout the day. On average each year, Yonakuni experiences 179 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 Yonakuni, 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
(77°F)		 25°C
(77°F)		 26°C
(80°F)		 28°C
(83°F)		 29°C
(85°F)		 31°C
(87°F)		 30°C
(87°F)		 31°C
(87°F)		 30°C
(87°F)		 29°C
(85°F)		 27°C
(81°F)		 26°C
(78°F)
Mean maximum 24°C
(75°F)		 24°C
(75°F)		 25°C
(78°F)		 27°C
(80°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 28°C
(83°F)		 27°C
(80°F)		 25°C
(77°F)
Average high 21°C
(70°F)		 21°C
(70°F)		 23°C
(73°F)		 24°C
(76°F)		 27°C
(80°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 27°C
(80°F)		 25°C
(77°F)		 22°C
(72°F)
Daily mean 20°C
(68°F)		 20°C
(69°F)		 22°C
(71°F)		 23°C
(74°F)		 26°C
(79°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 26°C
(79°F)		 24°C
(76°F)		 21°C
(71°F)
Average low 19°C
(66°F)		 19°C
(67°F)		 21°C
(70°F)		 22°C
(73°F)		 25°C
(78°F)		 27°C
(82°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)		 25°C
(78°F)		 23°C
(74°F)		 20°C
(69°F)
Mean minimum 15°C
(59°F)		 15°C
(59°F)		 17°C
(63°F)		 18°C
(65°F)		 22°C
(72°F)		 26°C
(79°F)		 27°C
(80°F)		 26°C
(80°F)		 26°C
(78°F)		 23°C
(73°F)		 20°C
(69°F)		 16°C
(61°F)
Minimum 12°C
(53°F)		 13°C
(55°F)		 16°C
(61°F)		 17°C
(63°F)		 21°C
(70°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(77°F)		 21°C
(71°F)		 20°C
(68°F)		 13°C
(56°F)

Compare climate in Yonakuni with other places

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

Monthly average precipitation in Yonakuni, Okinawa, Japan §

Yonakuni usually has the most precipitation in June, August and December, with an average of 20 rainy days and 224 mm (8.8 inches) of precipitation per month.The driest months in Yonakuni are January, February and September. On average, 145 mm (5.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yonakuni, 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) 133 (5.2) 141 (5.5) 195 (7.7) 179 (7.0) 180 (7.1) 215 (8.5) 193 (7.6) 221 (8.7) 160 (6.3) 188 (7.4) 195 (7.7) 237 (9.3)
Average precipitation days (≥ 1 mm) 18 18 19 16 16 19 16 19 16 18 23 24

Monthly sunshine hours in Yonakuni, Okinawa, Japan §

The sunniest months in Yonakuni are May, July and August, when the sun shines an average of 10 hours 21 minutes a day.Least sunny months in Yonakuni: January, February and December receive an average of 5 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yonakuni, 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 124 183 248 259 304 295 338 319 293 259 207 165
Mean daily daylight hours 10h 47m 11h 19m 12h 0m 12h 43m 13h 19m 13h 36m 13h 27m 12h 56m 12h 16m 11h 33m 10h 56m 10h 38m

Solar UV radiation in Yonakuni, Okinawa, Japan §

Yonakuni experiences the highest level of ultraviolet (UV) radiation in April, May and August, 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 Yonakuni UV Index data.

Average daily maximum UV levels by month for Yonakuni, 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 13 13 13 13 13 12 10 9 7