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Monthly climate in Date, Japan

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Date features a humid continental climate (Dfb). Temperatures typically range between -4 °C (26 °F) and 21 °C (71 °F) through the year, but rarely can drop to -15 °C (5 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 1062 mm (41.8 inches) and receives 152 rainy days on the 1 mm (0.04 inches) threshold annually. Date enjoys an average of 2896 hours of sunshine throughout the year, and daylight varies from 9 hours 6 minutes to 15 hours 13 minutes per day.

Monthly average temperatures in Date, Japan

The warmest months in Date are July, August and September, with daily mean temperatures ranging from 18 to 21 °C (66 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -1 °C (26 - 30 °F) throughout the day. On average each year, Date experiences 18 days above 25 °C (77.0 °F) and 109 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Date. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(43°F)		7°C
(45°F)		13°C
(56°F)		19°C
(66°F)		27°C
(80°F)		25°C
(78°F)		31°C
(88°F)		31°C
(89°F)		29°C
(84°F)		25°C
(76°F)		17°C
(62°F)		12°C
(55°F)
Mean maximum5°C
(41°F)		5°C
(42°F)		10°C
(51°F)		16°C
(61°F)		22°C
(72°F)		22°C
(72°F)		28°C
(82°F)		29°C
(85°F)		26°C
(79°F)		22°C
(72°F)		16°C
(61°F)		10°C
(50°F)
Average high-1°C
(31°F)		-0°C
(32°F)		5°C
(41°F)		10°C
(50°F)		15°C
(60°F)		19°C
(66°F)		23°C
(73°F)		24°C
(75°F)		22°C
(71°F)		16°C
(61°F)		9°C
(48°F)		1°C
(35°F)
Daily mean-4°C
(26°F)		-3°C
(27°F)		2°C
(35°F)		6°C
(44°F)		12°C
(54°F)		16°C
(61°F)		20°C
(69°F)		21°C
(71°F)		18°C
(66°F)		13°C
(55°F)		6°C
(43°F)		-1°C
(30°F)
Average low-7°C
(20°F)		-6°C
(21°F)		-2°C
(29°F)		3°C
(37°F)		9°C
(48°F)		13°C
(55°F)		18°C
(64°F)		19°C
(66°F)		15°C
(60°F)		9°C
(49°F)		3°C
(38°F)		-4°C
(26°F)
Mean minimum-13°C
(9°F)		-12°C
(11°F)		-8°C
(18°F)		-1°C
(30°F)		4°C
(40°F)		9°C
(48°F)		14°C
(58°F)		14°C
(57°F)		10°C
(50°F)		3°C
(38°F)		-3°C
(27°F)		-9°C
(15°F)
Minimum-15°C
(5°F)		-14°C
(7°F)		-9°C
(15°F)		-3°C
(27°F)		4°C
(39°F)		7°C
(45°F)		12°C
(55°F)		12°C
(54°F)		8°C
(47°F)		3°C
(37°F)		-9°C
(16°F)		-12°C
(10°F)

Compare climate in Date with other places

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

Monthly average precipitation in Date, Japan

Date usually has the most precipitation in June, August and October, with an average of 12 rainy days and 117 mm (4.6 inches) of precipitation per month. The driest months in Date are January, February and December. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Date. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)52 (2.0)54 (2.1)78 (3.1)87 (3.4)82 (3.2)104 (4.1)97 (3.8)143 (5.6)103 (4.1)103 (4.1)92 (3.6)66 (2.6)
Average precipitation days (≥ 1 mm)111311121110111312131520

Monthly sunshine hours in Date, Japan

The sunniest months in Date are May, June and July, when the sun shines an average of 9 hours 42 minutes a day. Least sunny months in Date: January, November and December receive an average of 5 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Date. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours142194252284299294298276264234182169
Mean daily daylight hours9h 26m10h 32m11h 56m13h 22m14h 36m15h 13m14h 54m13h 50m12h 27m11h 1m9h 46m9h 6m

Solar UV radiation in Date, Japan

Date experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Date UV Index data.

Average daily maximum UV levels by month for Date. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)23579109108632