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Monthly climate in Nishinoomote, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Nishinoomote features a humid subtropical climate (Cfa). Temperatures typically range between 13 °C (56 °F) and 28 °C (83 °F) through the year, but rarely can drop to 5 °C (41 °F) or can rise to as high as 31 °C (87 °F). The average annual precipitation amounts to about 2324 mm (91.5 inches) and receives 160 rainy days on the 1 mm (0.04 inches) threshold annually. Nishinoomote enjoys an average of 3037 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Nishinoomote, Japan

The warmest months in Nishinoomote are July, August and September, with daily mean temperatures ranging from 27 to 28 °C (80 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 13 to 15 °C (56 - 60 °F) throughout the day. On average each year, Nishinoomote experiences 100 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 Nishinoomote. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum21°C
(70°F)		21°C
(70°F)		22°C
(73°F)		24°C
(76°F)		25°C
(78°F)		27°C
(82°F)		30°C
(87°F)		31°C
(87°F)		29°C
(85°F)		28°C
(83°F)		25°C
(78°F)		24°C
(75°F)
Mean maximum20°C
(69°F)		20°C
(68°F)		21°C
(70°F)		22°C
(73°F)		25°C
(77°F)		26°C
(80°F)		29°C
(85°F)		30°C
(85°F)		29°C
(84°F)		27°C
(81°F)		24°C
(76°F)		22°C
(72°F)
Average high15°C
(59°F)		15°C
(59°F)		18°C
(64°F)		20°C
(68°F)		22°C
(73°F)		25°C
(77°F)		28°C
(82°F)		29°C
(84°F)		28°C
(82°F)		25°C
(77°F)		21°C
(70°F)		17°C
(63°F)
Daily mean13°C
(56°F)		13°C
(56°F)		16°C
(61°F)		19°C
(66°F)		22°C
(71°F)		24°C
(76°F)		27°C
(81°F)		28°C
(83°F)		27°C
(80°F)		24°C
(75°F)		20°C
(68°F)		15°C
(60°F)
Average low12°C
(54°F)		12°C
(54°F)		15°C
(59°F)		18°C
(64°F)		21°C
(69°F)		23°C
(74°F)		26°C
(80°F)		27°C
(82°F)		26°C
(79°F)		23°C
(74°F)		19°C
(66°F)		14°C
(57°F)
Mean minimum7°C
(45°F)		7°C
(45°F)		10°C
(50°F)		13°C
(56°F)		17°C
(63°F)		20°C
(69°F)		25°C
(76°F)		26°C
(79°F)		24°C
(75°F)		19°C
(66°F)		14°C
(57°F)		8°C
(47°F)
Minimum5°C
(41°F)		6°C
(43°F)		9°C
(49°F)		12°C
(53°F)		17°C
(62°F)		19°C
(66°F)		24°C
(75°F)		25°C
(77°F)		22°C
(72°F)		17°C
(64°F)		13°C
(55°F)		6°C
(44°F)

Compare climate in Nishinoomote with other places

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

Monthly average precipitation in Nishinoomote, Japan

Nishinoomote usually has the most precipitation in May, June and September, with an average of 16 rainy days and 313 mm (12.3 inches) of precipitation per month. The driest months in Nishinoomote are January, February and December. On average, 108 mm (4.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Nishinoomote. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)79 (3.1)132 (5.2)190 (7.5)156 (6.1)236 (9.3)445 (17.5)233 (9.2)184 (7.3)257 (10.1)157 (6.2)141 (5.6)113 (4.5)
Average precipitation days (≥ 1 mm)81315101317161519131110

Monthly sunshine hours in Nishinoomote, Japan

The sunniest months in Nishinoomote are July, August and September, when the sun shines an average of 9 hours 40 minutes a day. Least sunny months in Nishinoomote: January, February and December receive an average of 6 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Nishinoomote. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours172216256274274241294318278259240210
Mean daily daylight hours10h 23m11h 5m11h 59m12h 55m13h 41m14h 5m13h 53m13h 12m12h 19m11h 23m10h 35m10h 10m

Solar UV radiation in Nishinoomote, Japan

Nishinoomote 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 7. For more detailed information, check out our hourly Nishinoomote UV Index data.

Average daily maximum UV levels by month for Nishinoomote. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)5710111212121311875