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Monthly climate in Sagara, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sagara features a humid subtropical climate (Cfa). Temperatures typically range between 8 °C (47 °F) and 27 °C (82 °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 2438 mm (96.0 inches) and receives 157 rainy days on the 1 mm (0.04 inches) threshold annually. Sagara enjoys an average of 3078 hours of sunshine throughout the year, and daylight varies from 9 hours 50 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in Sagara, Japan

The warmest months in Sagara are July, August and September, with daily mean temperatures ranging from 25 to 27 °C (77 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 11 °C (47 - 52 °F) throughout the day. On average each year, Sagara experiences 75 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 Sagara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		18°C
(65°F)		21°C
(70°F)		23°C
(75°F)		26°C
(78°F)		28°C
(82°F)		31°C
(89°F)		34°C
(94°F)		31°C
(88°F)		28°C
(82°F)		23°C
(73°F)		21°C
(70°F)
Mean maximum15°C
(59°F)		16°C
(61°F)		19°C
(67°F)		22°C
(71°F)		25°C
(77°F)		27°C
(80°F)		30°C
(86°F)		32°C
(90°F)		30°C
(86°F)		27°C
(81°F)		22°C
(71°F)		18°C
(65°F)
Average high10°C
(51°F)		11°C
(52°F)		14°C
(58°F)		17°C
(63°F)		21°C
(70°F)		24°C
(75°F)		27°C
(81°F)		29°C
(85°F)		26°C
(80°F)		22°C
(72°F)		18°C
(64°F)		13°C
(56°F)
Daily mean8°C
(47°F)		8°C
(47°F)		12°C
(53°F)		15°C
(59°F)		19°C
(66°F)		22°C
(72°F)		25°C
(78°F)		27°C
(82°F)		25°C
(77°F)		21°C
(69°F)		16°C
(61°F)		11°C
(52°F)
Average low6°C
(43°F)		6°C
(43°F)		9°C
(49°F)		12°C
(54°F)		17°C
(62°F)		20°C
(69°F)		24°C
(76°F)		26°C
(79°F)		23°C
(74°F)		19°C
(66°F)		14°C
(57°F)		9°C
(48°F)
Mean minimum2°C
(35°F)		2°C
(37°F)		5°C
(41°F)		8°C
(46°F)		13°C
(55°F)		18°C
(64°F)		22°C
(72°F)		24°C
(75°F)		21°C
(69°F)		14°C
(58°F)		9°C
(48°F)		4°C
(39°F)
Minimum-0°C
(32°F)		1°C
(33°F)		3°C
(38°F)		5°C
(42°F)		11°C
(51°F)		15°C
(60°F)		21°C
(69°F)		23°C
(73°F)		20°C
(68°F)		13°C
(56°F)		8°C
(46°F)		2°C
(36°F)

Compare climate in Sagara with other places

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

Monthly average precipitation in Sagara, Japan

Sagara usually has the most precipitation in June, July and October, with an average of 17 rainy days and 343 mm (13.5 inches) of precipitation per month. The driest months in Sagara are January, February and December. On average, 78 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sagara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)65 (2.5)88 (3.5)196 (7.7)186 (7.3)223 (8.8)295 (11.6)420 (16.5)205 (8.1)255 (10.0)314 (12.4)108 (4.3)82 (3.2)
Average precipitation days (≥ 1 mm)581211121620162017128

Monthly sunshine hours in Sagara, Japan

The sunniest months in Sagara are April, May and August, when the sun shines an average of 9 hours 42 minutes a day. Least sunny months in Sagara: January, February and October receive an average of 7 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sagara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours192235267280297272266315257222236235
Mean daily daylight hours10h 5m10h 54m11h 58m13h 3m13h 58m14h 26m14h 12m13h 24m12h 21m11h 16m10h 20m9h 50m

Solar UV radiation in Sagara, Japan

Sagara 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 exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Sagara UV Index data.

Average daily maximum UV levels by month for Sagara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)458101111121110754