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Monthly climate in Hirado, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hirado features a humid subtropical climate (Cfa). Temperatures typically range between 9 °C (48 °F) and 28 °C (83 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1859 mm (73.2 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually. Hirado enjoys an average of 3048 hours of sunshine throughout the year, and daylight varies from 9 hours 58 minutes to 14 hours 18 minutes per day.

Monthly average temperatures in Hirado, Japan

The warmest months in Hirado are July, August and September, with daily mean temperatures ranging from 25 to 28 °C (77 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 10 °C (48 - 51 °F) throughout the day. On average each year, Hirado experiences 88 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 Hirado. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(66°F)		19°C
(66°F)		20°C
(68°F)		24°C
(76°F)		27°C
(80°F)		29°C
(84°F)		33°C
(92°F)		34°C
(94°F)		33°C
(91°F)		30°C
(86°F)		24°C
(76°F)		22°C
(73°F)
Mean maximum16°C
(61°F)		16°C
(62°F)		19°C
(67°F)		22°C
(72°F)		25°C
(78°F)		27°C
(81°F)		31°C
(88°F)		33°C
(92°F)		30°C
(87°F)		27°C
(82°F)		23°C
(73°F)		18°C
(65°F)
Average high11°C
(51°F)		11°C
(52°F)		15°C
(59°F)		18°C
(65°F)		22°C
(72°F)		25°C
(77°F)		28°C
(83°F)		30°C
(87°F)		27°C
(81°F)		23°C
(74°F)		18°C
(65°F)		13°C
(55°F)
Daily mean9°C
(48°F)		9°C
(48°F)		12°C
(55°F)		16°C
(60°F)		19°C
(67°F)		23°C
(73°F)		26°C
(80°F)		28°C
(83°F)		25°C
(77°F)		21°C
(69°F)		16°C
(60°F)		10°C
(51°F)
Average low7°C
(44°F)		7°C
(44°F)		10°C
(50°F)		13°C
(56°F)		17°C
(63°F)		21°C
(69°F)		25°C
(77°F)		26°C
(80°F)		23°C
(74°F)		19°C
(66°F)		13°C
(56°F)		8°C
(47°F)
Mean minimum2°C
(36°F)		2°C
(36°F)		6°C
(42°F)		8°C
(48°F)		13°C
(56°F)		18°C
(65°F)		22°C
(71°F)		24°C
(75°F)		20°C
(68°F)		14°C
(58°F)		8°C
(47°F)		3°C
(38°F)
Minimum-0°C
(32°F)		0°C
(32°F)		4°C
(40°F)		7°C
(46°F)		12°C
(53°F)		18°C
(64°F)		20°C
(69°F)		21°C
(69°F)		19°C
(67°F)		13°C
(56°F)		7°C
(45°F)		2°C
(35°F)

Compare climate in Hirado with other places

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

Monthly average precipitation in Hirado, Japan

Hirado usually has the most precipitation in July, August and September, with an average of 15 rainy days and 287 mm (11.3 inches) of precipitation per month. The driest months in Hirado are January, November and December. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hirado. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)64 (2.5)82 (3.2)137 (5.4)117 (4.6)165 (6.5)200 (7.9)349 (13.7)284 (11.2)228 (9.0)107 (4.2)51 (2.0)74 (2.9)
Average precipitation days (≥ 1 mm)8101191012171415877

Monthly sunshine hours in Hirado, Japan

The sunniest months in Hirado are May, July and August, when the sun shines an average of 9 hours 28 minutes a day. Least sunny months in Hirado: January, February and December receive an average of 6 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hirado. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours168226263284288273286306258258235198
Mean daily daylight hours10h 12m10h 58m11h 58m13h 0m13h 52m14h 18m14h 5m13h 20m12h 20m11h 19m10h 25m9h 58m

Solar UV radiation in Hirado, Japan

Hirado experiences the highest level of ultraviolet (UV) radiation in July, August and September, 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 Hirado UV Index data.

Average daily maximum UV levels by month for Hirado. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)468101111121211764