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Monthly climate in Ogano, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ogano features a humid subtropical climate (Cfa). Temperatures typically range between 2 °C (36 °F) and 25 °C (77 °F) through the year, but rarely can drop to -12 °C (10 °F) or can rise to as high as 35 °C (94 °F). The average annual precipitation amounts to about 2233 mm (87.9 inches) and receives 199 rainy days on the 1 mm (0.04 inches) threshold annually. Ogano enjoys an average of 2916 hours of sunshine throughout the year, and daylight varies from 9 hours 44 minutes to 14 hours 33 minutes per day.

Monthly average temperatures in Ogano, Japan

The warmest months in Ogano are July, August and September, with daily mean temperatures ranging from 20 to 25 °C (69 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (36 - 40 °F) throughout the day. On average each year, Ogano experiences 62 days above 25 °C (77.0 °F) and 62 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ogano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		21°C
(70°F)		24°C
(76°F)		27°C
(81°F)		31°C
(87°F)		31°C
(88°F)		34°C
(93°F)		35°C
(94°F)		33°C
(91°F)		30°C
(86°F)		21°C
(70°F)		19°C
(67°F)
Mean maximum13°C
(57°F)		17°C
(63°F)		21°C
(70°F)		24°C
(75°F)		29°C
(84°F)		27°C
(81°F)		32°C
(89°F)		33°C
(91°F)		30°C
(87°F)		26°C
(80°F)		20°C
(68°F)		16°C
(60°F)
Average high7°C
(45°F)		9°C
(48°F)		13°C
(55°F)		17°C
(62°F)		21°C
(70°F)		23°C
(74°F)		26°C
(80°F)		28°C
(83°F)		24°C
(75°F)		19°C
(66°F)		15°C
(59°F)		10°C
(50°F)
Daily mean2°C
(36°F)		3°C
(38°F)		7°C
(45°F)		11°C
(52°F)		16°C
(62°F)		19°C
(67°F)		23°C
(74°F)		25°C
(77°F)		20°C
(69°F)		15°C
(59°F)		10°C
(49°F)		5°C
(40°F)
Average low-1°C
(30°F)		-1°C
(30°F)		2°C
(36°F)		6°C
(44°F)		12°C
(54°F)		16°C
(61°F)		20°C
(69°F)		22°C
(71°F)		17°C
(64°F)		12°C
(54°F)		5°C
(42°F)		1°C
(34°F)
Mean minimum-6°C
(22°F)		-6°C
(21°F)		-3°C
(27°F)		0°C
(32°F)		5°C
(42°F)		12°C
(53°F)		17°C
(62°F)		17°C
(63°F)		13°C
(55°F)		6°C
(43°F)		-1°C
(31°F)		-3°C
(27°F)
Minimum-12°C
(10°F)		-12°C
(10°F)		-4°C
(26°F)		-2°C
(28°F)		3°C
(38°F)		10°C
(50°F)		15°C
(59°F)		13°C
(56°F)		12°C
(53°F)		4°C
(40°F)		-2°C
(29°F)		-4°C
(24°F)

Compare climate in Ogano with other places

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

Monthly average precipitation in Ogano, Japan

Ogano usually has the most precipitation in July, September and October, with an average of 23 rainy days and 340 mm (13.4 inches) of precipitation per month. The driest months in Ogano are January, February and December. On average, 57 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ogano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)55 (2.2)59 (2.3)152 (6.0)158 (6.2)186 (7.3)245 (9.7)377 (14.8)242 (9.5)285 (11.2)359 (14.1)59 (2.3)57 (2.2)
Average precipitation days (≥ 1 mm)810141617212625242198

Monthly sunshine hours in Ogano, Japan

The sunniest months in Ogano are April, May and August, when the sun shines an average of 9 hours 7 minutes a day. Least sunny months in Ogano: January, September and October receive an average of 6 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ogano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours191236262278284262228276226206229234
Mean daily daylight hours10h 0m10h 51m11h 57m13h 6m14h 4m14h 33m14h 18m13h 28m12h 22m11h 14m10h 15m9h 44m

Solar UV radiation in Ogano, Japan

Ogano 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, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Ogano UV Index data.

Average daily maximum UV levels by month for Ogano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)468101111121110754