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Monthly climate in Ohira, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ohira features a humid subtropical climate (Cfa). Temperatures typically range between 0 °C (31 °F) and 24 °C (76 °F) through the year, but rarely can drop to -14 °C (6 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1460 mm (57.5 inches) and receives 174 rainy days on the 1 mm (0.04 inches) threshold annually. Ohira enjoys an average of 2893 hours of sunshine throughout the year, and daylight varies from 9 hours 31 minutes to 14 hours 47 minutes per day.

Monthly average temperatures in Ohira, Japan

The warmest months in Ohira are July, August and September, with daily mean temperatures ranging from 20 to 24 °C (69 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 2 °C (31 - 36 °F) throughout the day. On average each year, Ohira experiences 63 days above 25 °C (77.0 °F) and 88 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ohira. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(50°F)		14°C
(58°F)		22°C
(71°F)		27°C
(80°F)		31°C
(88°F)		33°C
(91°F)		34°C
(94°F)		35°C
(95°F)		34°C
(94°F)		28°C
(83°F)		20°C
(69°F)		16°C
(61°F)
Mean maximum8°C
(46°F)		11°C
(52°F)		18°C
(65°F)		23°C
(73°F)		28°C
(83°F)		28°C
(83°F)		32°C
(90°F)		34°C
(93°F)		30°C
(87°F)		26°C
(78°F)		19°C
(66°F)		12°C
(54°F)
Average high3°C
(38°F)		4°C
(40°F)		10°C
(50°F)		15°C
(59°F)		21°C
(70°F)		23°C
(74°F)		27°C
(80°F)		28°C
(83°F)		24°C
(75°F)		18°C
(65°F)		13°C
(55°F)		6°C
(42°F)
Daily mean-0°C
(31°F)		1°C
(33°F)		5°C
(41°F)		10°C
(50°F)		16°C
(60°F)		19°C
(67°F)		23°C
(74°F)		24°C
(76°F)		20°C
(69°F)		14°C
(58°F)		8°C
(47°F)		2°C
(36°F)
Average low-4°C
(25°F)		-3°C
(27°F)		1°C
(34°F)		5°C
(41°F)		11°C
(52°F)		15°C
(60°F)		20°C
(69°F)		21°C
(71°F)		17°C
(62°F)		11°C
(51°F)		4°C
(39°F)		-1°C
(31°F)
Mean minimum-11°C
(13°F)		-8°C
(18°F)		-3°C
(26°F)		-1°C
(30°F)		5°C
(42°F)		11°C
(52°F)		15°C
(60°F)		16°C
(62°F)		10°C
(51°F)		4°C
(40°F)		-2°C
(28°F)		-5°C
(23°F)
Minimum-14°C
(6°F)		-12°C
(11°F)		-4°C
(24°F)		-2°C
(29°F)		4°C
(39°F)		8°C
(47°F)		15°C
(59°F)		13°C
(56°F)		7°C
(44°F)		3°C
(38°F)		-3°C
(26°F)		-6°C
(21°F)

Compare climate in Ohira with other places

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

Monthly average precipitation in Ohira, Japan

Ohira usually has the most precipitation in July, August and October, with an average of 16 rainy days and 209 mm (8.2 inches) of precipitation per month. The driest months in Ohira are January, February and November. On average, 62 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ohira. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)74 (2.9)64 (2.5)110 (4.3)111 (4.4)105 (4.1)110 (4.3)225 (8.9)216 (8.5)133 (5.2)185 (7.3)47 (1.9)80 (3.1)
Average precipitation days (≥ 1 mm)151413141314181914121018

Monthly sunshine hours in Ohira, Japan

The sunniest months in Ohira are April, May and June, when the sun shines an average of 9 hours 16 minutes a day. Least sunny months in Ohira: January, October and December receive an average of 6 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ohira. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours167221258271292280253271246209218203
Mean daily daylight hours9h 48m10h 44m11h 57m13h 12m14h 15m14h 47m14h 31m13h 36m12h 24m11h 10m10h 4m9h 31m

Solar UV radiation in Ohira, Japan

Ohira experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Ohira UV Index data.

Average daily maximum UV levels by month for Ohira. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3478101011119643