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Monthly climate in Miyake, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Miyake features a humid subtropical climate (Cfa). Temperatures typically range between 12 °C (54 °F) and 28 °C (82 °F) through the year, but rarely can drop to 4 °C (40 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 2385 mm (93.9 inches) and receives 177 rainy days on the 1 mm (0.04 inches) threshold annually. Miyake enjoys an average of 3042 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 Miyake, Japan

The warmest months in Miyake are July, August and September, with daily mean temperatures ranging from 26 to 28 °C (79 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 12 to 15 °C (54 - 58 °F) throughout the day. On average each year, Miyake experiences 84 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 Miyake. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum20°C
(68°F)		20°C
(69°F)		20°C
(68°F)		23°C
(73°F)		25°C
(77°F)		26°C
(79°F)		29°C
(84°F)		30°C
(86°F)		29°C
(85°F)		28°C
(82°F)		24°C
(75°F)		23°C
(73°F)
Mean maximum18°C
(65°F)		19°C
(66°F)		19°C
(67°F)		21°C
(70°F)		24°C
(75°F)		25°C
(78°F)		28°C
(83°F)		29°C
(85°F)		29°C
(84°F)		27°C
(80°F)		23°C
(74°F)		21°C
(70°F)
Average high13°C
(56°F)		13°C
(56°F)		16°C
(61°F)		18°C
(65°F)		21°C
(70°F)		24°C
(75°F)		27°C
(80°F)		28°C
(83°F)		27°C
(80°F)		24°C
(75°F)		20°C
(68°F)		16°C
(61°F)
Daily mean12°C
(54°F)		12°C
(54°F)		15°C
(58°F)		17°C
(63°F)		20°C
(69°F)		23°C
(74°F)		26°C
(79°F)		28°C
(82°F)		26°C
(79°F)		23°C
(73°F)		19°C
(66°F)		15°C
(59°F)
Average low11°C
(52°F)		10°C
(51°F)		13°C
(56°F)		16°C
(60°F)		20°C
(67°F)		22°C
(72°F)		25°C
(78°F)		27°C
(81°F)		25°C
(77°F)		22°C
(71°F)		18°C
(64°F)		13°C
(56°F)
Mean minimum7°C
(44°F)		7°C
(44°F)		9°C
(49°F)		11°C
(51°F)		16°C
(61°F)		20°C
(68°F)		23°C
(75°F)		25°C
(77°F)		22°C
(73°F)		18°C
(65°F)		13°C
(56°F)		9°C
(49°F)
Minimum4°C
(40°F)		6°C
(43°F)		8°C
(47°F)		9°C
(48°F)		14°C
(58°F)		19°C
(66°F)		22°C
(72°F)		24°C
(76°F)		22°C
(71°F)		17°C
(63°F)		12°C
(53°F)		7°C
(45°F)

Compare climate in Miyake with other places

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

Monthly average precipitation in Miyake, Japan

Miyake usually has the most precipitation in June, September and October, with an average of 17 rainy days and 310 mm (12.2 inches) of precipitation per month. The driest months in Miyake are January, February and August. On average, 108 mm (4.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Miyake. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)111 (4.4)102 (4.0)225 (8.9)136 (5.3)185 (7.3)284 (11.2)258 (10.2)111 (4.4)300 (11.8)345 (13.6)194 (7.6)135 (5.3)
Average precipitation days (≥ 1 mm)141417111215141120171715

Monthly sunshine hours in Miyake, Japan

The sunniest months in Miyake are May, July and August, when the sun shines an average of 9 hours 50 minutes a day. Least sunny months in Miyake: January, October and December receive an average of 6 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Miyake. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours179221256274292265293329265218226219
Mean daily daylight hours10h 8m10h 56m11h 58m13h 1m13h 55m14h 22m14h 8m13h 22m12h 21m11h 18m10h 22m9h 54m

Solar UV radiation in Miyake, Japan

Miyake experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 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 Miyake UV Index data.

Average daily maximum UV levels by month for Miyake. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)468101111121110764